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Journal articles on the topic 'Invasive predators'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Muraro, Martina, Samuele Romagnoli, Benedetta Barzaghi, Mattia Falaschi, Raoul Manenti, and Gentile Francesco Ficetola. "Invasive predators induce plastic and adaptive responses during embryo development in a threatened frog." NeoBiota 70 (December 8, 2021): 69–86. http://dx.doi.org/10.3897/neobiota.70.65454.

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Invasive predators can strongly affect native populations. If alien predator pressure is strong enough, it can induce anti-predator responses, including phenotypic plasticity of exposed individuals and local adaptations of impacted populations. Furthermore, maternal investment is an additional pathway that could provide resources and improve performance in the presence of alien predators. We investigated the potential responses to an alien predator crayfish (Procambarus clarkii) in a threatened frog (Rana latastei) by combining field observations with laboratory measurements of embryo developm

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Muraro, Martina, Samuele Romagnoli, Benedetta Barzaghi, Mattia Falaschi, Raoul Manenti, and Gentile Francesco Ficetola. "Invasive predators induce plastic and adaptive responses during embryo development in a threatened frog." NeoBiota 70 (December 8, 2021): 69–86. https://doi.org/10.3897/neobiota.70.65454.

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Invasive predators can strongly affect native populations. If alien predator pressure is strong enough, it can induce anti-predator responses, including phenotypic plasticity of exposed individuals and local adaptations of impacted populations. Furthermore, maternal investment is an additional pathway that could provide resources and improve performance in the presence of alien predators. We investigated the potential responses to an alien predator crayfish (Procambarus clarkii) in a threatened frog (Rana latastei) by combining field observations with laboratory measurements of embryo developm

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3

DeRoy, Emma M., Steven Crookes, Kyle Matheson, et al. "Predatory ability and abundance forecast the ecological impacts of two aquatic invasive species." NeoBiota 71 (January 27, 2022): 91–112. http://dx.doi.org/10.3897/neobiota.71.75711.

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Characterising interspecific interaction strengths, combined with population abundances of prey and their novel predators, is critical to develop predictive invasion ecology. This is especially true of aquatic invasive species, which can pose a significant threat to the structure and stability of the ecosystems to which they are introduced. Here, we investigated consumer-resource dynamics of two globally-established aquatic invasive species, European green crab (Carcinus maenas) and brown trout (Salmo trutta). We explored the mediating effect of prey density on predatory impact in these invade

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DeRoy, Emma M., Steven Crookes, Kyle Matheson, et al. "Predatory ability and abundance forecast the ecological impacts of two aquatic invasive species." NeoBiota 71 (January 27, 2022): 91–112. https://doi.org/10.3897/neobiota.71.75711.

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Characterising interspecific interaction strengths, combined with population abundances of prey and their novel predators, is critical to develop predictive invasion ecology. This is especially true of aquatic invasive species, which can pose a significant threat to the structure and stability of the ecosystems to which they are introduced. Here, we investigated consumer-resource dynamics of two globally-established aquatic invasive species, European green crab (Carcinus maenas) and brown trout (Salmo trutta). We explored the mediating effect of prey density on predatory impact in these invade

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Webster, C., M. Massaro, D. R. Michael, D. Bambrick, J. L. Riley, and D. G. Nimmo. "Native reptiles alter their foraging in the presence of the olfactory cues of invasive mammalian predators." Royal Society Open Science 5, no. 10 (2018): 180136. http://dx.doi.org/10.1098/rsos.180136.

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Invasive mammalian predators are linked to terrestrial vertebrate extinctions worldwide. Prey naïveté may explain the large impact invasive predators have on native prey; prey may fail to detect and react appropriately to the cues of novel predators, which results in high levels of depredation. In Australia, the feral cat ( Felis catus ) and the red fox ( Vulpes vulpes ) are implicated in more than 30 animal extinctions and the naïveté of native prey is often used to explain this high extinction rate. Reptiles are one group of animals that are heavily preyed upon by F. catus and V. vulpes . Ho

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6

Jermacz, Łukasz, and Jarosław Kobak. "The Braveheart amphipod: a review of responses of invasive Dikerogammarus villosus to predation signals." PeerJ 6 (August 2, 2018): e5311. http://dx.doi.org/10.7717/peerj.5311.

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Predator pressure is a fundamental force driving changes at all levels of the community structure. It may protect native ecosystems from alien species. Therefore, resistance to diverse predators resulting from a universal anti-predator strategy seems crucial for invasion success. We present a comprehensive review of the responses of an invasive amphipod Dikerogammarus villosus to sympatric and allopatric predator signals. We summarize diverse aspects of the gammarid anti-predator strategy, including predator identification, morphological and behavioural adaptations, effectiveness of shelter us

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7

Lenhart, Paul A., Kelly A. Jackson, and Jennifer A. White. "Heritable variation in prey defence provides refuge for subdominant predators." Proceedings of the Royal Society B: Biological Sciences 285, no. 1879 (2018): 20180523. http://dx.doi.org/10.1098/rspb.2018.0523.

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Generalist predators with broadly overlapping niches commonly coexist on seemingly identical sets of prey. Here, we provide empirical demonstration that predators can differentially exploit fine-grained niches generated by variable, heritable and selective defences within a single prey species. Some, but not all, clones of the aphid Aphis craccivora are toxic towards the dominant invasive predatory ladybeetle, Harmonia axyridis . However, other less competitive ladybeetle species are not affected by the aphid's toxic trait. In laboratory and open field experiments, we show: (i) that subdominan

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Sarkar, Shovon Chandra, Stephen Paul Milroy, and Wei Xu. "A Preliminary Study on Identifying the Predator Community of Invasive Bactericera cockerelli (Hemiptera: Triozidae) and Developing Molecular Identification Tools for Testing Field Predation." Insects 16, no. 2 (2025): 179. https://doi.org/10.3390/insects16020179.

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The tomato potato psyllid Bactericera cockerelli (Hemiptera: Triozidae) is a significant insect pest of Solanaceae. In early 2017, it was first detected in Perth, Western Australia. The objective of this work was to identify predator species of B. cockerelli occurring in fields of Solanaceae in Western Australia. Predatory insects and arachnids were sampled using sweep netting in some of the major Solanaceae-growing regions in the south-west of Western Australia in 2021 and 2022. Several laboratory feeding trials were conducted to develop PCR primers that could detect the DNA of B. cockerelli

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9

MacNeil, Calum, Jaimie Dick, Mhairi Alexander, Jennifer Dodd, and Anthony Ricciardi. "Predators vs. alien: differential biotic resistance to an invasive species by two resident predators." NeoBiota 19 (October 11, 2013): 1–19. https://doi.org/10.3897/neobiota.19.4839.

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The success of invading species can be restricted by interspecific interactions such as competition and predation (i.e. biotic resistance) from resident species, which may be natives or previous invaders. Whilst there are myriad examples of resident species preying on invaders, simply showing that such an interaction exists does not demonstrate that predation limits invader establishment, abundance or spread. Support for this conclusion requires evidence of negative associations between invaders and resident predators in the field and, further, that the predator-prey interaction is likely to s

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Cutter, Zachary A., Timothy B. Mihuc, and Luke W. Myers. "Invasion of Bythotrephes longimanus and Cercopagis pengoi in Lake Champlain: Impacts on the Native Zooplankton Community." Diversity 15, no. 11 (2023): 1112. http://dx.doi.org/10.3390/d15111112.

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The zooplankton community of Lake Champlain has been altered over the past decade due to the introduction of two predatory zooplankton species. Bythotrephes longimanus Leydig, 1860 was first detected in Lake Champlain in August 2014, and Cercopagis pengoi (Ostroumov, 1891) was detected in August 2018. Monitoring for both invasive species at 15 lake sites using whole water tow sampling has been ongoing since 2010 with no detection of either species until 2014. Utilizing data from the Lake Champlain long-term monitoring program, we assessed pre- and post-invasion population dynamics of both inva

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Sario, Sara, Conceição Santos, Fátima Gonçalves, and Laura Torres. "DNA screening of Drosophila suzukii predators in berry field orchards shows new predatory taxonomical groups." PLOS ONE 16, no. 4 (2021): e0249673. http://dx.doi.org/10.1371/journal.pone.0249673.

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Drosophila suzukii (spotted wing drosophila, SWD) is a pandemic quarantine pest that attacks mostly red fruits. The high number of life cycles per year, its ability to rapidly invade and spread across new habitats, and highly polyphagous nature, makes this a particularly aggressive invasive species, for which efficient control methods are currently lacking. The use of native natural predators is particularly promising to anchor sustainable and efficient measures to control SWD. While several field studies have suggested the presence of potential predatory species in infested orchards, only a f

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Ivie, Jansen, Owen George, and Scott F. Collins. "Assessing the Predatory Effects of Invasive Brown Trout on Native Rio Grande Sucker and Rio Grande Chub in Mountain Streams of New Mexico, USA." Conservation 2, no. 3 (2022): 514–25. http://dx.doi.org/10.3390/conservation2030035.

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Invasive predators pose a critical threat to native taxa. Body size plays an important role in mediating the interactions of predator and prey. For piscivorous fishes, increased predator body size can be accompanied by the selection of increasingly larger prey or may reflect a mix of small and large prey. Knowledge of such interactions helps determine how predation affects population vital rates. Here, we assessed the predatory effects of invasive Brown Trout (Salmo trutta) on populations of native Rio Grande Sucker (Catostomus plebeius) and Rio Grande Chub (Gila pandora) in streams of the Jem

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13

Height, S. G., and G. J. Whisson. "Behavioural responses of Australian freshwater crayfish (Cherax cainii and Cherax albidus) to exotic fish odour." Australian Journal of Zoology 54, no. 6 (2006): 399. http://dx.doi.org/10.1071/zo06011.

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Exotic finfish and crayfish have been translocated into Western Australia for more than 100 years. Deliberate stocking and subsequent escape from man-made impoundments have resulted in widespread distribution of non-native yabbies (Cherax albidus) and the exotic redfin perch (Perca fluviatilis) in the State’s south-west. Both species are considered invasive and are known to compete with indigenous species for resources. The nature and degree of impact on native marron (Cherax cainii) is unclear and the subject of current debate. Other researchers have hypothesised that invasive species modify

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14

Ho, Susie S., Nick R. Bond, and P. Sam Lake. "Comparing food-web impacts of a native invertebrate and an invasive fish as predators in small floodplain wetlands." Marine and Freshwater Research 62, no. 4 (2011): 372. http://dx.doi.org/10.1071/mf10222.

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Gambusia holbrooki is an invasive predatory poeciliid fish in wetlands of south-eastern Australia, where it coexists with the native waterbug Anisops thienemanni (Notonectidae). Gambusia has been shown to produce trophic cascades, leading to increased algal biomass following invasion, whereas these effects relative to the often-dominant invertebrate predator Anisops are unknown. Given its flexible diet, we predicted that Gambusia would feed more broadly than Anisops, thereby reducing the abundance of zooplankton grazers, and increasing chlorophyll a. We tested this hypothesis in experimental 1

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Wanger, Thomas C., Arno C. Wielgoss, Iris Motzke, et al. "Endemic predators, invasive prey and native diversity." Proceedings of the Royal Society B: Biological Sciences 278, no. 1706 (2010): 690–94. http://dx.doi.org/10.1098/rspb.2010.1512.

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Interactions between native diversity and invasive species can be more complex than is currently understood. Invasive ant species often substantially reduce diversity in the native ants diversity that act as natural control agents for pest insects. In Indonesia (on the island of Sulawesi), the third largest cacao producer worldwide, we show that a predatory endemic toad ( Ingerophrynus celebensis ) controls invasive ant ( Anoplolepis gracilipes ) abundance, and positively affects native ant diversity. We call this the invasive-naivety effect (an opposite of enemy release), whereby alien specie

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Hasnain, Sarah S., and Shelley E. Arnott. "Variation in behaviour of native prey mediates the impact of an invasive species on plankton communities." PeerJ 12 (December 12, 2024): e18608. https://doi.org/10.7717/peerj.18608.

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Trait variation in predator populations can influence the outcome of predator-prey dynamics, with consequences for trophic dynamics and ecosystem functioning. However, the influence of prey trait variation on the impacts of predators is not well understood, especially for introduced predators where variation in prey can shape invasion outcomes. In this study, we investigated if intra-specific differences in vertical position of Daphnia influenced the impacts of the invasive zooplankton predator, Bythotrephes cederströmii, on plankton communities. Our results show that vertical position of Daph

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17

Wos, Guillaume, Nermeen R. Amer, Andrzej Antoł, Robby Stoks, and Szymon Sniegula. "Warming and latitude shape the non-consumptive effects of native and invasive alien crayfish predators on damselfly prey." NeoBiota 98 (April 14, 2025): 223–45. https://doi.org/10.3897/neobiota.98.141133.

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There is increasing concern that the effects of biological invasions may be magnified by other human-induced global changes. Here, we compare the non-consumptive effects imposed by invasive vs. native predators and how these (differential) responses to both predator types depend on warming and prey latitude. We raised damselfly larvae from central- and high-latitudes in incubators under two temperatures (current [20 °C] and warming [24 °C]) and further exposed them to one of three predator cues: noble (native), signal (invasive at both latitudes) and spiny-cheek (invasive at central- but absen

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Wos, Guillaume, Nermeen R. Amer, Andrzej Antoł, Robby Stoks, and Szymon Sniegula. "Warming and latitude shape the non-consumptive effects of native and invasive alien crayfish predators on damselfly prey." NeoBiota 98 (April 14, 2025): 223–45. https://doi.org/10.3897/neobiota.98.141133.

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There is increasing concern that the effects of biological invasions may be magnified by other human-induced global changes. Here, we compare the non-consumptive effects imposed by invasive vs. native predators and how these (differential) responses to both predator types depend on warming and prey latitude. We raised damselfly larvae from central- and high-latitudes in incubators under two temperatures (current [20 °C] and warming [24 °C]) and further exposed them to one of three predator cues: noble (native), signal (invasive at both latitudes) and spiny-cheek (invasive at central- but absen

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19

Weis, Judith S. "Invasion and predation in aquatic ecosystems." Current Zoology 57, no. 5 (2011): 613–24. http://dx.doi.org/10.1093/czoolo/57.5.613.

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Abstract This article reviews biological invasions in which predation (or its absence) plays a major role in the success of the invader. Examples are described in which the invader out-competes native species for the same food, and cases in which the invader consumes valued native species. In many instances, better predator avoidance by the invasive species or the absence of predators in the new habitat contributes to the success of the invaders; in other cases native or introduced predators appear to be able to keep the invasive species in check. A relatively new management approach in the US

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20

Beckmann, Sean, Paloma Avila, and Terence Farrell. "Effect of native and non-native snake scents on foraging activity of native rodents in Florida." Journal of Mammalogy 103, no. 1 (2021): 136–45. http://dx.doi.org/10.1093/jmammal/gyab124.

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Abstract Rodents use direct and/or indirect cues of predators to assess predation risk. The responses to these cues are well studied with regard to mammalian predators, but less understood with regard to reptilian predators. These responses are of particular importance in tropical and subtropical regions where reptile diversity is high and the likelihood of establishment of invasive reptilian predators also is high. We hypothesized that rodents would respond to direct scent cues of snake predators and that rodents would show greater aversion to scents of native snake predators than non-native

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Doherty, Tim S., Alistair S. Glen, Dale G. Nimmo, Euan G. Ritchie, and Chris R. Dickman. "Invasive predators and global biodiversity loss." Proceedings of the National Academy of Sciences 113, no. 40 (2016): 11261–65. http://dx.doi.org/10.1073/pnas.1602480113.

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Invasive species threaten biodiversity globally, and invasive mammalian predators are particularly damaging, having contributed to considerable species decline and extinction. We provide a global metaanalysis of these impacts and reveal their full extent. Invasive predators are implicated in 87 bird, 45 mammal, and 10 reptile species extinctions—58% of these groups’ contemporary extinctions worldwide. These figures are likely underestimated because 23 critically endangered species that we assessed are classed as “possibly extinct.” Invasive mammalian predators endanger a further 596 species at

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Twining, Joshua P., W. Ian Montgomery, Lily Price, Hansjoerg P. Kunc, and David G. Tosh. "Native and invasive squirrels show different behavioural responses to scent of a shared native predator." Royal Society Open Science 7, no. 2 (2020): 191841. http://dx.doi.org/10.1098/rsos.191841.

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Invasive species pose a serious threat to native species. In Europe, invasive grey squirrels ( Sciurus carolinensis ) have replaced native red squirrels ( Sciurus vulgaris ) in locations across Britain, Ireland and Italy. The European pine marten ( Martes martes ) can reverse the replacement of red squirrels by grey squirrels, but the underlying mechanism of how pine martens suppress grey squirrels is little understood. Research suggests the reversal process is driven by direct predation, but why the native red squirrel may be less susceptible than the invasive grey squirrel to predation by a

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Bucher, Roman, Laura M. Japke, Ayse Gül Ünlü, and Florian Menzel. "Interactions of ants with native and invasive lady beetles and the role of chemical cues in intraguild interference." Chemoecology 31, no. 5 (2021): 323–34. http://dx.doi.org/10.1007/s00049-021-00354-4.

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AbstractThe predator-predator naïveté hypothesis suggests that non-native predators benefit from being unknown to native predators, resulting in reduced intraguild interference with native predators. This novelty advantage should depend on the ability of native predators to recognize cues of non-native predators. Here, we compared ant aggression and lady beetle reaction in four native and the invasive lady beetle species Harmonia axyridis. In addition, we tested whether lady beetle cuticular hydrocarbons (CHCs) are involved in species recognition, which might explain naïveté if the invasive sp

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Graham, Cameron A., Martine Maron, and Clive A. McAlpine. "Influence of landscape structure on invasive predators: feral cats and red foxes in the brigalow landscapes, Queensland, Australia." Wildlife Research 39, no. 8 (2012): 661. http://dx.doi.org/10.1071/wr12008.

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Context Invasive mammalian predators are often associated with fragmented landscapes, and can compound the impacts of habitat loss and fragmentation on native fauna. Knowledge of how invasive predators are influenced by different landscape structures can assist in the mitigation of their impacts. Aims The aim of the present study was to investigate the influence of landscape structure and site-scale habitat attributes on the frequency of feral-cat and red-fox detections in fragmented agricultural landscapes. Methods Field surveys of the frequency of red-fox and feral-cat visitation at a site s

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25

Wardle, David A., Peter J. Bellingham, Tadashi Fukami, and Christa P. H. Mulder. "Promotion of ecosystem carbon sequestration by invasive predators." Biology Letters 3, no. 5 (2007): 479–82. http://dx.doi.org/10.1098/rsbl.2007.0163.

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Despite recent interest in understanding the effects of human-induced global change on carbon (C) storage in terrestrial ecosystems, most studies have overlooked the influence of a major element of global change, namely biological invasions. We quantified ecosystem C storage, both above- and below-ground, on each of 18 islands off the coast of New Zealand. Some islands support high densities of nesting seabirds, while others have been invaded by predatory rats and host few seabirds. Our results show that, by preying upon seabirds, rats have indirectly enhanced C sequestration in live plant bio

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Jolly, Chris J., Jonathan K. Webb, and Ben L. Phillips. "The perils of paradise: an endangered species conserved on an island loses antipredator behaviours within 13 generations." Biology Letters 14, no. 6 (2018): 20180222. http://dx.doi.org/10.1098/rsbl.2018.0222.

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When imperilled by a threatening process, the choice is often made to conserve threatened species on offshore islands that typically lack the full suite of mainland predators. While keeping the species extant, this releases the conserved population from predator-driven natural selection. Antipredator traits are no longer maintained by natural selection and may be lost. It is implicitly assumed that such trait loss will happen slowly, but there are few empirical tests. In Australia, northern quolls ( Dasyurus hallucatus ) were moved onto a predator-free offshore island in 2003 to protect the sp

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Milchev, Boyan, and Nikolay Spassov. "Invasive alien Coypu (Myocastor coypus) as a prey of the native predator Eurasian Eagle Owl (Bubo bubo) in Bulgaria." Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 67, no. 2 (2024): 443–62. https://doi.org/10.3897/travaux.67.e118250.

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Incorporation of the invasive alien species into the food web by native predators is important both for managing the invasion and for predicting potential predator problems from measures taken against the invasive population. The present study of the Eurasian Eagle Owl (Bubo bubo) diet in the area designated as the initial centre for the introduction of the invasive Coypu (Myocastor coypus) in Bulgaria provided new data on the spread and reproduction of the invader. The small overlap in the distribution of the predator and the invader accounted for the small number of owl pairs with Coypu-cont

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RISTYADI, DWI, XIONG Z. HE, and QIAO WANG. "Non-consumptive effects of predation risk on prey population regulations: empirical evidence from the invasive spider mite Tetranychus ludeni." Zoosymposia 22 (November 30, 2022): 318. http://dx.doi.org/10.11646/zoosymposia.22.1.200.

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Tetranychus ludeni Zacher is an invasive pest from Europe. It infests more than 300 plant species, including many economically important crops such as bean Phaseolus vulgaris L. (Fabales: Fabaceae), eggplant Solanum melongena L. (Solanales: Solanaceae), and many other cucurbitaceous plants. Gotoh et al. (2015) predict that this species could replace T. urticae to become a major crop pest in the world. It is often assumed that the success of biological control using predators is achieved through direct predation. However, it is still largely unknown whether predation risk could contribute to th

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Gomez-Mestre, Ivan, and Carmen Díaz-Paniagua. "Invasive predatory crayfish do not trigger inducible defences in tadpoles." Proceedings of the Royal Society B: Biological Sciences 278, no. 1723 (2011): 3364–70. http://dx.doi.org/10.1098/rspb.2010.2762.

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Invasive species cause deep impacts on ecosystems worldwide, contributing to the decline and extinction of indigenous species. Effective defences against native biological threats in indigenous species, whether structural or inducible, often seem inoperative against invasive species. Here, we show that tadpoles of the Iberian green frog detect chemical cues from indigenous predators (dragonfly nymphs) and respond by reducing their activity and developing an efficient defensive morphology against them (increased tail depth and pigmentation). Those defensive responses, however, were not activate

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Liu, Xin, Jian Wen, Xingyu Geng, et al. "The Impact of Predation Risks on the Development and Fecundity of Bactrocera dorsalis Hendel." Insects 15, no. 5 (2024): 322. http://dx.doi.org/10.3390/insects15050322.

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Predators are dependent on the capture of prey to meet their energetic and nutritive requirements, which brings the risk of predation to prey. The predation risk is divided into consumptive and non-consumptive effects. Non-consumptive effects may manifest through altered growth and ontogenetic trajectories in prey species, a dynamic modulated by olfactory or other sensory cues from predators. Bactrocera dorsalis Hendel represents a major invasive threat to global horticulture. While earlier research was primarily centered on the consumptive interactions between B. dorsalis and its natural enem

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O'Donnell, Colin F.J., Moira A. Pryde, Dam-Bates Paul Van, and Graeme P. Elliott. "Controlling invasive predators enhances the long-term survival of endangered New Zealand long-tailed bats (Chalinolobus tuberculatus): Implications for conservation of bats on oceanic islands." Biological Conservation 214 (June 12, 2017): 156–67. https://doi.org/10.5281/zenodo.13444418.

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(Uploaded by Plazi for the Bat Literature Project) Invasive mammalian predators pose one of the greatest threats to biodiversity globally, particularly on oceanic islands. However, little is known about the impacts of these invasive predators on bats (Chiroptera), one of the most specious mammal groups, and one of the most widespread groups of mammals threatened on oceanic islands (> 200 spp.). Nearly 50% of the world's threatened bats are island endemics and because they are often the only native mammals on islands, they fulfil important ecological roles such as pollination and seed disper

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O'Donnell, Colin F.J., Moira A. Pryde, Dam-Bates Paul Van, and Graeme P. Elliott. "Controlling invasive predators enhances the long-term survival of endangered New Zealand long-tailed bats (Chalinolobus tuberculatus): Implications for conservation of bats on oceanic islands." Biological Conservation 214 (June 7, 2017): 156–67. https://doi.org/10.5281/zenodo.13444418.

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(Uploaded by Plazi for the Bat Literature Project) Invasive mammalian predators pose one of the greatest threats to biodiversity globally, particularly on oceanic islands. However, little is known about the impacts of these invasive predators on bats (Chiroptera), one of the most specious mammal groups, and one of the most widespread groups of mammals threatened on oceanic islands (> 200 spp.). Nearly 50% of the world's threatened bats are island endemics and because they are often the only native mammals on islands, they fulfil important ecological roles such as pollination and seed disper

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O'Donnell, Colin F.J., Moira A. Pryde, Dam-Bates Paul Van, and Graeme P. Elliott. "Controlling invasive predators enhances the long-term survival of endangered New Zealand long-tailed bats (Chalinolobus tuberculatus): Implications for conservation of bats on oceanic islands." Biological Conservation 214 (July 3, 2017): 156–67. https://doi.org/10.5281/zenodo.13444418.

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(Uploaded by Plazi for the Bat Literature Project) Invasive mammalian predators pose one of the greatest threats to biodiversity globally, particularly on oceanic islands. However, little is known about the impacts of these invasive predators on bats (Chiroptera), one of the most specious mammal groups, and one of the most widespread groups of mammals threatened on oceanic islands (> 200 spp.). Nearly 50% of the world's threatened bats are island endemics and because they are often the only native mammals on islands, they fulfil important ecological roles such as pollination and seed disper

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O'Donnell, Colin F.J., Moira A. Pryde, Dam-Bates Paul Van, and Graeme P. Elliott. "Controlling invasive predators enhances the long-term survival of endangered New Zealand long-tailed bats (Chalinolobus tuberculatus): Implications for conservation of bats on oceanic islands." Biological Conservation 214 (July 10, 2017): 156–67. https://doi.org/10.5281/zenodo.13444418.

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(Uploaded by Plazi for the Bat Literature Project) Invasive mammalian predators pose one of the greatest threats to biodiversity globally, particularly on oceanic islands. However, little is known about the impacts of these invasive predators on bats (Chiroptera), one of the most specious mammal groups, and one of the most widespread groups of mammals threatened on oceanic islands (> 200 spp.). Nearly 50% of the world's threatened bats are island endemics and because they are often the only native mammals on islands, they fulfil important ecological roles such as pollination and seed disper

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O'Donnell, Colin F.J., Moira A. Pryde, Dam-Bates Paul Van, and Graeme P. Elliott. "Controlling invasive predators enhances the long-term survival of endangered New Zealand long-tailed bats (Chalinolobus tuberculatus): Implications for conservation of bats on oceanic islands." Biological Conservation 214 (July 17, 2017): 156–67. https://doi.org/10.5281/zenodo.13444418.

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(Uploaded by Plazi for the Bat Literature Project) Invasive mammalian predators pose one of the greatest threats to biodiversity globally, particularly on oceanic islands. However, little is known about the impacts of these invasive predators on bats (Chiroptera), one of the most specious mammal groups, and one of the most widespread groups of mammals threatened on oceanic islands (> 200 spp.). Nearly 50% of the world's threatened bats are island endemics and because they are often the only native mammals on islands, they fulfil important ecological roles such as pollination and seed disper

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Milchev, Boyan, and Nikolay Spassov. "Invasive alien Coypu (Myocastor coypus) as a prey of the native predator Eurasian Eagle Owl (Bubo bubo) in Bulgaria." Travaux du Muséum National d'Histoire Naturelle "Grigore Antipa" 67, no. (2) (2024): 443–62. https://doi.org/10.3897/travaux.67.e118250.

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Incorporation of the invasive alien species into the food web by native predators is important both for managing the invasion and for predicting potential predator problems from measures taken against the invasive population. The present study of the Eurasian Eagle Owl (<em>Bubo bubo</em>) diet in the area designated as the initial centre for the introduction of the invasive Coypu (<em>Myocastor coypus</em>) in Bulgaria provided new data on the spread and reproduction of the invader. The small overlap in the distribution of the predator and the invader accounted for the small number of owl pai

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Chivers, Douglas P., Anthony Mathiron, Janelle R. Sloychuk, and Maud C. O. Ferrari. "Responses of tadpoles to hybrid predator odours: strong maternal signatures and the potential risk/response mismatch." Proceedings of the Royal Society B: Biological Sciences 282, no. 1809 (2015): 20150365. http://dx.doi.org/10.1098/rspb.2015.0365.

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Previous studies have established that when a prey animal knows the identity of a particular predator, it can use this knowledge to make an ‘educated guess' about similar novel predators. Such generalization of predator recognition may be particularly beneficial when prey are exposed to introduced and invasive species of predators or hybrids. Here, we examined generalization of predator recognition for woodfrog tadpoles exposed to novel trout predators. Tadpoles conditioned to recognize tiger trout, a hybrid derived from brown trout and brook trout, showed generalization of recognition of seve

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Abram, P. K., J. Doyon, J. Brodeur, T. D. Gariépy, and G. Boivin. "Susceptibility of Halyomorpha halys (Hemiptera: Pentatomidae) eggs to different life stages of three generalist predators." Canadian Entomologist 147, no. 2 (2014): 222–26. http://dx.doi.org/10.4039/tce.2014.41.

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AbstractThe invasive stink bug Halyomorpha halys Stål (Hemiptera: Pentatomidae) has recently become established in Canada, but little information is available regarding the ability of natural enemies to attack this pest in its invaded range. We tested the capacity of several life stages of three generalist predators, Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae), Coleomegilla maculata De Geer (Coleoptera: Coccinellidae), and Podisus maculiventris (Say) (Hemiptera: Pentatomidae), to attack H. halys eggs. The relative susceptibility of H. halys eggs to predator attack was compared to P

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Wardle, David A., Peter J. Bellingham, Tadashi Fukami, and Karen I. Bonner. "Soil-mediated indirect impacts of an invasive predator on plant growth." Biology Letters 8, no. 4 (2012): 574–77. http://dx.doi.org/10.1098/rsbl.2012.0201.

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While several studies have shown that invasive plant effects on soil biota influence subsequent plant performance, corresponding studies on how invasive animals affect plants through influencing soil biota are lacking. This is despite the fact that invasive animals often indirectly alter the below-ground subsystem. We studied 18 offshore islands in northern New Zealand, half of which have been invaded by rats that are predators of seabirds and severely reduce their densities, and half of which remain non-invaded; invasion of rats thwarts seabird transfer of resources from ocean to land. We use

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Anderson, David, Olivia Cervantez, Gary M. Bucciarelli, Max R. Lambert, and Megan R. Friesen. "Feral frogs, native newts, and chemical cues: identifying threats from and management opportunities for invasive African Clawed Frogs in Washington state." PeerJ 12 (May 10, 2024): e17307. http://dx.doi.org/10.7717/peerj.17307.

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Invasive species threaten biodiversity globally. Amphibians are one of the most threatened vertebrate taxa and are particularly sensitive to invasive species, including other amphibians. African clawed frogs (Xenopus laevis) are native to Southern Africa but have subsequently become invasive on multiple continents—including multiple parts of North America—due to releases from the pet and biomedical trades. Despite their prevalence as a global invader, the impact of X. laevis remains understudied. This includes the Pacific Northwest of the USA, which now hosts multiple expanding X. laevis popul

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Siffert, Alexandra, Fabian Cahenzli, Patrik Kehrli, et al. "Predation on Drosophila suzukii within Hedges in the Agricultural Landscape." Insects 12, no. 4 (2021): 305. http://dx.doi.org/10.3390/insects12040305.

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The invasive Drosophila suzukii feeds and reproduces on various cultivated and wild fruits and moves between agricultural and semi-natural habitats. Hedges in agricultural landscapes play a vital role in the population development of D. suzukii, but also harbor a diverse community of natural enemies. We investigated predation by repeatedly exposing cohorts of D. suzukii pupae between June and October in dry and humid hedges at five different locations in Switzerland. We sampled predator communities and analyzed their gut content for the presence of D. suzukii DNA based on the COI marker. On av

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Secondi, Jean, and Fanny Raux. "An invasive amphibian drives antipredator responses in two prey at different trophic positions." Behavioral Ecology 31, no. 3 (2020): 851–57. http://dx.doi.org/10.1093/beheco/araa036.

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Abstract Generalist invasive predators consume prey at different trophic levels and generate drastic changes in local communities. However, the long-term effects of predation may be reduced by eco-evolutionary responses of native populations. The capacity of prey species distributed across the trophic network to develop antipredator responses may determine the ecosystem potential to buffer against the invader. The African clawed frog is a major invader on several continents. Because of its large size, generalist diet, and aquatic lifestyle, we predicted the development of antipredator response

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Froneman, Pierre William. "Invasive Aquatic Weeds Suppress Predator–Prey Cascades: Evidence from a Mesocosm Study." Diversity 17, no. 3 (2025): 178. https://doi.org/10.3390/d17030178.

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Submerged macrophytes can profoundly influence interactions between aquatic predators and their prey due to changes in foraging efficiencies, pursuit time and swimming behaviors of predator–prey participants. Water hyacinth, Eichhornia crassipes (Mart.) Solms-Laub. (Pontederiaceae), is the most widely distributed of the aquatic invasive weeds in South Africa. This invasive weed contributes to changes in physicochemical (turbidity, temperature and water column stratification) and biological (total chlorophyll-a (Chl-a) concentrations and species composition and distribution of vertebrates and i

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Wantuch, Holly A., Nathan P. Havill, E. Richard Hoebeke, Thomas P. Kuhar, and Scott M. Salom. "Predators associated with the pine bark adelgid (Hemiptera: Adelgidae), a native insect in Appalachian forests, United States of America, in its southern range." Canadian Entomologist 151, no. 1 (2018): 73–84. http://dx.doi.org/10.4039/tce.2018.53.

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AbstractThe pine bark adelgid, Pineus strobi (Hartig) (Hemiptera: Adelgidae), is an herbivore native to eastern North America that specialises on eastern white pine, Pinus strobus Linnaeus (Pinaceae). Little is known about P. strobi, especially in its southern range in the Appalachian Mountains, United States of America, and the composition of its predator complex has not yet been documented in this region. The current study identifies arthropod predators associated with P. strobi in Appalachian forests of Virginia based on a two-year survey. Predators were identified using morphology and DNA

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Szydłowska, Natalia Z., Pavel Franta, Marek Let, Vendula Mikšovská, Miloš Buřič, and Bořek Drozd. "Risk Perception: Chemical Stimuli in Predator Detection and Feeding Behaviour of the Invasive Round Goby Neogobius melanostomus." Biology 13, no. 6 (2024): 406. http://dx.doi.org/10.3390/biology13060406.

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The round goby Neogobius melanostomus is a notoriously invasive fish originating from the Ponto-Caspian region that in recent decades has successfully spread across the globe. One of its primary impacts is direct predation; in addition, when entering new ecosystems, the round goby is likely to become a food resource for many higher native predators. However, little is known either about the indirect effects of predators on the round goby as prey or its feeding behaviour and activity. The non-consumptive effect of the presence of higher native predators presumably plays an important role in mit

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Sugiura, Shinji, and Tomoki Date. "Bombardier beetles repel invasive bullfrogs." PeerJ 10 (September 15, 2022): e13805. http://dx.doi.org/10.7717/peerj.13805.

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Invasive non-native predators negatively affect native species; however, some native species can survive the predation pressures of invasive species by using pre-existing antipredator strategies or evolving defenses against invasive predators. The American bullfrog Lithobates catesbeianus (Anura: Ranidae) has been intentionally introduced to many countries and regions, and has impacted native animals through direct predation. Bombardier beetles (Coleoptera: Carabidae: Brachininae: Brachinini) discharge chemicals at a temperature of approximately 100 °C from the tip of the abdomen when they are

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Bryant, Amanda R., Caitlin R. Gabor, Leah K. Swartz, Ryan Wagner, Madaline M. Cochrane, and Winsor H. Lowe. "Differences in Corticosterone Release Rates of Larval Spring Salamanders (Gyrinophilus porphyriticus) in Response to Native Fish Presence." Biology 11, no. 4 (2022): 484. http://dx.doi.org/10.3390/biology11040484.

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Invasive fish predators are an important factor causing amphibian declines and may have direct and indirect effects on amphibian survival. For example, early non-lethal exposure to these stressors may reduce survival in later life stages, especially in biphasic species. In amphibians, the glucocorticoid hormone corticosterone is released by the hypothalamo–pituitary–interrenal axis (HPI), as an adaptive physiological response to environmental stressors. The corticosterone response (baseline and response to acute stressors) is highly flexible and context dependent, and this variation can allow

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Ward-Fear, G., D. J. Pearson, G. P. Brown, Balanggarra Rangers, and R. Shine. "Ecological immunization: in situ training of free-ranging predatory lizards reduces their vulnerability to invasive toxic prey." Biology Letters 12, no. 1 (2016): 20150863. http://dx.doi.org/10.1098/rsbl.2015.0863.

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In Australia, large native predators are fatally poisoned when they ingest invasive cane toads ( Rhinella marina ). As a result, the spread of cane toads has caused catastrophic population declines in these predators. Immediately prior to the arrival of toads at a floodplain in the Kimberley region, we induced conditioned taste aversion in free-ranging varanid lizards ( Varanus panoptes ), by offering them small cane toads. By the end of the 18-month study, only one of 31 untrained lizards had survived longer than 110 days, compared to more than half (nine of 16) of trained lizards; the maximu

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Crego, Ramiro Daniel, Rocio F. Jara, Ricardo Rozzi, and Jaime E. Jiménez. "UNEXPECTED LACK OF EFFECT OF THE INVASIVE AMERICAN MINK ON NESTING SURVIVAL OF FOREST BIRDS." Ornitología Neotropical 31, no. 1 (2021): 88–97. http://dx.doi.org/10.58843/ornneo.v31i1.579.

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Nest predation by invasive mammalian predators can cause major impacts on native bird populations. The American mink (Neovison vison) was recently introduced on Navarino Island in southern Chile. The mink established as a new terrestrial mesopredator on the island with documented impacts on waterfowl breeding success. However, little is known about mink effects on forest bird’s reproduction. Here, we investigated nest-predation rate by native predators and the invasive mink on open-cup nesting forest birds by using artificial and natural nests. In six different plots, we deployed a grid (7 x 2

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DeRoy, EM, R. Scott, NE Hussey, and HJ MacIsaac. "High predatory efficiency and abundance drive expected ecological impacts of a marine invasive fish." Marine Ecology Progress Series 637 (March 5, 2020): 195–208. http://dx.doi.org/10.3354/meps13251.

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The ecological impacts of invasive species are highly variable and mediated by many factors, including both habitat and population abundance. Lionfish Pterois volitans are an invasive marine species which have high reported detrimental effects on prey populations, but whose effects relative to native predators are currently unknown for the recently colonized eastern Gulf of Mexico. We used functional response (FR) methodology to assess the ecological impact of lionfish relative to 2 functionally similar native species (red grouper Epinephelus morio and graysby grouper Cephalopholis cruentata)

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