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Journal articles on the topic 'Insect assemblages'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Dartnell, Sofia, Andre R. O. Cavalcanti, Ayame Misaki Bluebell, Nancy V. Hamlett, Edward J. Crane, and Wallace M. Meyer. "Flower-Visiting Insect Assemblages on Fall-Blooming Native California Sage Scrub Shrubs." Diversity 14, no. 11 (2022): 958. http://dx.doi.org/10.3390/d14110958.

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Pollinator studies in the endangered California sage scrub ecosystem have focused on spring insect assemblages, when most plant species bloom. Consequently, the insect assemblages using common fall-blooming sage scrub shrubs Lepidospartum squamatum, Ericameria pinifolia, and Baccharis pilularis remain undescribed. Our study aimed to: (1) document flower-visiting insect assemblages on fall-blooming shrubs, (2) assess the efficacy of three sampling techniques in inventorying insect assemblages, and (3) explore, using DNA metabarcoding, which plants are utilized and the extent to which surroundin

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Elias, Scott A., Paul E. Carrara, L. J. Toolin, and A. J. T. Jull. "Revised age of deglaciation of Lake Emma based on new radiocarbon and macrofossil analyses." Quaternary Research 36, no. 3 (1991): 307–21. http://dx.doi.org/10.1016/0033-5894(91)90005-p.

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AbstractPrevious radiocarbon ages of detrital moss fragments in basal organic sediments of Lake Emma indicated that extensive deglaciation of the San Juan Mountains occurred prior to 14,900 yr B.P. (Carrara et al., 1984). Paleoecological analyses of insect and plant macrofossils from these basal sediments cast doubt on the reliability of the radiocarbon ages. Subsequent accelerator radiocarbon dates of insect fossils and wood fragments indicate an early Holocene age, rather than a late Pleistocene age, for the basal sediments of Lake Emma. These new radiocarbon ages suggest that by at least 10

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Swaby, Emily J., Angela L. Coe, Jörg Ansorge, et al. "The fossil insect assemblage associated with the Toarcian (Lower Jurassic) oceanic anoxic event from Alderton Hill, Gloucestershire, UK." PLOS ONE 19, no. 4 (2024): e0299551. http://dx.doi.org/10.1371/journal.pone.0299551.

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Extreme global warming and environmental changes associated with the Toarcian (Lower Jurassic) Oceanic Anoxic Event (T-OAE, ~183 Mya) profoundly impacted marine organisms and terrestrial plants. Despite the exceptionally elevated abundances of fossil insects from strata of this age, only assemblages from Germany and Luxembourg have been studied in detail. Here, we focus on the insect assemblage found in strata recording the T-OAE at Alderton Hill, Gloucestershire, UK, where <15% of specimens have previously been described. We located all known fossil insects (n = 370) from Alderton Hill, an

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Matthews, John V. "A Method for Comparison of Northern Fossil Insect Assemblages." Géographie physique et Quaternaire 37, no. 3 (2007): 297–306. http://dx.doi.org/10.7202/032524ar.

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ABSTRACT The paleoenvironmental resolving power of late CenozoicColeoptera fossils from arctic and subarctic sites is hindered by the fact that the fossil assemblages often differgreatly in taxonomic diversity and minimum number of individuals represented. In order to compare faunas of different age and from different sites, the fossil insect assemblages must first be normalized. One method of doing this is to group the fossils according to the ecological requirements of the taxa that they represent and then compare assemblages on the basis of the percentage of individual insects in each group

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Huiñocana, Júlio Cesar Serrano, Edélti Faria Albertoni, Rayana Caroline Picolotto, Silvia Vendruscolo Milesi, and Luiz Ubiratan Hepp. "Nestedness of insect assemblages in agriculture-impacted Atlantic forest streams." Annales de Limnologie - International Journal of Limnology 56 (2020): 3. http://dx.doi.org/10.1051/limn/2020002.

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Agricultural land use causes habitats fragmentation and riparian vegetation removal, driving variability in the composition of aquatic insect assemblage in streams. We explored the effect of agriculture on the beta diversity of insect assemblages of Ephemeroptera, Plecoptera and Trichoptera (EPT) in Atlantic forest streams. We measured water physical and chemical variables and quantified the land cover of 10 stream catchments to determine the environmental integrity of the streams. The percentage of vegetation range was ∼6% to ∼47%, and agricultural land use range was ∼24% to ∼88%. We collecte

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Pero, Edgardo J. I., Paola A. Rueda Martín, and María C. Reynaga. "Species and genus richness and assemblage composition of stream caddisflies (Insecta: Trichoptera) vary with latitude in mountain rainforest of Argentina." Marine and Freshwater Research 70, no. 5 (2019): 687. http://dx.doi.org/10.1071/mf18209.

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Evidence found in results of studies of latitudinal gradients of benthic macroinvertebrate diversity is variable. This study analysed how species and genus richness and the composition of caddisfly assemblages (Insecta: Trichoptera) vary in Argentinean mountain forest through a latitudinal gradient from 22 to 28°S. Qualitative and quantitative data from 20 stream sites were compared. Assemblage richness and composition were analysed by comparing linear regressions, rank–abundance (RA) curves and non-metric multidimensional scaling (nMDS). Taxonomic richness increased from high to low latitude.

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Ergović, Viktorija, Dubravka Čerba, Bojana Tubić, Boris Novaković, Miran Koh, and Zlatko Mihaljević. "Seasonal Dynamics and Factors Shaping Aquatic Insect Assemblages in Mountain Streams of the Pannonian Lowland Ecoregion." Insects 16, no. 4 (2025): 344. https://doi.org/10.3390/insects16040344.

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This study focused on the aquatic insect orders that serve as biological indicators. Ephemeroptera, Plecoptera, Trichoptera, Coleoptera, and Odonata were studied with their relationships to physical, chemical, hydrological and morphological variables in 14 streams on three Croatian mountains: Papuk, Medvednica and Psunj. From 675 samples collected in three dominant sediment microhabitats (e.g., macrolithal and mesolithal) in each stream, we identified 130 macroinvertebrate taxa. The most abundant group was Ephemeroptera (36 taxa). Aquatic insect assemblages between Papuk and Psunj showed highe

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Morlan, Richard E., and John V. Matthews. "Taphonomy and Paleoecology of Fossil Insect Assemblages from Old Crow River (CRH-15) Northern Yukon Territory, Canada." Géographie physique et Quaternaire 37, no. 2 (2007): 147–57. http://dx.doi.org/10.7202/032511ar.

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ABSTRACT The paleoenvironmental message delivered by any fossil assemblage is nearly always filtered to some degree by taphonomic and preservational biases. This paper discusses some of the types of biases that affect the composition of fossil Coleoptera (beetles) assemblages. Eight samples from a single site in the northern Yukon provide the raw data for the analysis. They represent different types of host sediments — ranging from autochthonous peats to organic rich alluvial sands. For each assemblage the authors noted the state of preservation of the fossils, counted the individual anatomica

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9

Feng, Lichao, Aizhen Liang, Qiang Gao, and Donghui Wu. "Effects of Three Different Tillage Patterns on Ground and Below-Ground Dwelling Insect Assemblage." Journal of Biobased Materials and Bioenergy 17, no. 1 (2023): 53–64. http://dx.doi.org/10.1166/jbmb.2023.2243.

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Tillage could significantly change the biodiversity in farmlands. As a prominent component of farmland ecology, crops play a key role in regulating biological communities. To explore the effects of tillage patterns and planting modes, including high-disturbance tillage practices and different plant compositions, on the abundance of soil insects, we tested the responses of soil insects to no-tillage (NT), ridge tillage (RT), and fall plow (FP) treatments with different planting modes. The results illustrated that planting modes significantly changed the distributions of ground-dwelling insect s

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Langor, David W., H. E. James Hammond, John R. Spence, Joshua Jacobs, and Tyler P. Cobb. "Saproxylic insect assemblages in Canadian forests: diversity, ecology, and conservation." Canadian Entomologist 140, no. 4 (2008): 453–74. http://dx.doi.org/10.4039/n07-ls02.

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AbstractSaproxylic insect assemblages inhabiting dead wood in Canadian forests are highly diverse and variable but quite poorly understood. Adequate assessment of these assemblages poses significant challenges with respect to sampling, taxonomy, and analysis. Their assessment is nonetheless critical to attaining the broad goals of sustainable forest management because such species are disproportionately threatened elsewhere by the reductions in dead wood generally associated with commercial exploitation of northern forests. The composition of the saproxylic fauna is influenced by many factors,

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Anderson, C., G. Theraulaz, and J. L. Deneubourg. "Self-assemblages in insect societies." Insectes Sociaux 49, no. 2 (2002): 99–110. http://dx.doi.org/10.1007/s00040-002-8286-y.

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12

Russo, Danilo, Francesca Cosentino, Francesca Festa, et al. "Artificial illumination near rivers may alter bat-insect trophic interactions." Environmental Pollution 252 (June 12, 2019): 1671–77. https://doi.org/10.5281/zenodo.13429333.

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(Uploaded by Plazi for the Bat Literature Project) Artificial illumination at night represents an increasingly concerning threat to ecosystems worldwide, altering persistence, behaviour, physiology and fitness of many organisms and their mutual interactions, in the long-term affecting ecosystem functioning. Bats are very sensitive to artificial light at night because they are obligate nocturnal and feed on insects which are often also responsive to lights. Here we tested the effects of LED lighting on prey-predator interactions at riverine ecosystems, using bats and their insect prey as models

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Russo, Danilo, Francesca Cosentino, Francesca Festa, et al. "Artificial illumination near rivers may alter bat-insect trophic interactions." Environmental Pollution 252 (June 7, 2019): 1671–77. https://doi.org/10.5281/zenodo.13429333.

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(Uploaded by Plazi for the Bat Literature Project) Artificial illumination at night represents an increasingly concerning threat to ecosystems worldwide, altering persistence, behaviour, physiology and fitness of many organisms and their mutual interactions, in the long-term affecting ecosystem functioning. Bats are very sensitive to artificial light at night because they are obligate nocturnal and feed on insects which are often also responsive to lights. Here we tested the effects of LED lighting on prey-predator interactions at riverine ecosystems, using bats and their insect prey as models

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Russo, Danilo, Francesca Cosentino, Francesca Festa, et al. "Artificial illumination near rivers may alter bat-insect trophic interactions." Environmental Pollution 252 (July 3, 2019): 1671–77. https://doi.org/10.5281/zenodo.13429333.

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(Uploaded by Plazi for the Bat Literature Project) Artificial illumination at night represents an increasingly concerning threat to ecosystems worldwide, altering persistence, behaviour, physiology and fitness of many organisms and their mutual interactions, in the long-term affecting ecosystem functioning. Bats are very sensitive to artificial light at night because they are obligate nocturnal and feed on insects which are often also responsive to lights. Here we tested the effects of LED lighting on prey-predator interactions at riverine ecosystems, using bats and their insect prey as models

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Russo, Danilo, Francesca Cosentino, Francesca Festa, et al. "Artificial illumination near rivers may alter bat-insect trophic interactions." Environmental Pollution 252 (July 10, 2019): 1671–77. https://doi.org/10.5281/zenodo.13429333.

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(Uploaded by Plazi for the Bat Literature Project) Artificial illumination at night represents an increasingly concerning threat to ecosystems worldwide, altering persistence, behaviour, physiology and fitness of many organisms and their mutual interactions, in the long-term affecting ecosystem functioning. Bats are very sensitive to artificial light at night because they are obligate nocturnal and feed on insects which are often also responsive to lights. Here we tested the effects of LED lighting on prey-predator interactions at riverine ecosystems, using bats and their insect prey as models

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Russo, Danilo, Francesca Cosentino, Francesca Festa, et al. "Artificial illumination near rivers may alter bat-insect trophic interactions." Environmental Pollution 252 (July 17, 2019): 1671–77. https://doi.org/10.5281/zenodo.13429333.

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(Uploaded by Plazi for the Bat Literature Project) Artificial illumination at night represents an increasingly concerning threat to ecosystems worldwide, altering persistence, behaviour, physiology and fitness of many organisms and their mutual interactions, in the long-term affecting ecosystem functioning. Bats are very sensitive to artificial light at night because they are obligate nocturnal and feed on insects which are often also responsive to lights. Here we tested the effects of LED lighting on prey-predator interactions at riverine ecosystems, using bats and their insect prey as models

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17

Howlett, Brad G., Ruth C. Butler, Melanie K. Walker, and David A. J. Teulon. "Are insect flower visitor assemblages distinguishable between Brassica napus and B. rapa?" New Zealand Plant Protection 71 (July 24, 2018): 189–97. http://dx.doi.org/10.30843/nzpp.2018.71.162.

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Brassica napus and Brassica rapa are grown across six continents for purposes including oilseed, biofuel, vegetables and livestock fodder. Hybridisation between the two can downgrade seed quality reducing grower returns. We assess the similarity of flower visitor assemblages of both species to determine the applicability of pollinator management strategies to both. Insect taxa were collected using window traps placed within ten peak-flowering fields, five each of B. napus and B. rapa (one cultivar/species) located in South Canterbury, New Zealand. Both crops contained similar flower visitor as

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Pellegrini, T. G., P. S. Pompeu, and R. L. Ferreira. "Cave benthic invertebrates in south-eastern Brazil: are there 'key' factors structuring such communities?" Marine and Freshwater Research 69, no. 11 (2018): 1762. http://dx.doi.org/10.1071/mf18025.

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The aim of this study was to determine the effects of microhabitat traits related to water quality and physical features of stream channels (substrate, channel morphology and hydraulic characteristics) on the richness and structure of the aquatic insect assemblage in cave streams. Sampling was conducted in three subterranean streams in Brazil. Aquatic insect richness was significantly and positively related to water depth and the presence of shelters for invertebrates. These shelters are directly related to channel heterogeneity, a factor that determined the surface area of habitats suitable f

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March, James G., Jonathan P. Benstead, Catherine M. Pringle, and Mark W. Ruebel. "Linking shrimp assemblages with rates of detrital processing along an elevational gradient in a tropical stream." Canadian Journal of Fisheries and Aquatic Sciences 58, no. 3 (2001): 470–78. http://dx.doi.org/10.1139/f00-263.

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We experimentally excluded freshwater shrimp assemblages (Atyidae, Xiphocarididae, and Palaemonidae) to examine their effects on detrital processing and benthic insect biomass at three sites along an elevational gradient in a tropical stream in Puerto Rico. We also determined which shrimp taxon was responsible for leaf decay in a subsequent laboratory experiment. At the high-elevation site, the shrimp assemblage was dominated by Atya spp. and Xiphocaris elongata, and leaf decay rates were significantly faster in the presence of shrimps than in their absence. Laboratory experiments showed that

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20

GURINA, ANNA A., ROMAN Yu DUDKO, YURI E. MIKHAILOV, et al. "First record of insects from the oldest and older Dryas of Altai (Russia). Coleoptera assemblages from Lebed River." Palaeoentomology 7, no. 1 (2024): 112–31. http://dx.doi.org/10.11646/palaeoentomology.7.1.8.

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Subfossil remains of insects found in the Lebed site (52.25220°N, 87.15692°E) located on the Lebed River, Altai Republic are recorded. The calibrated radiocarbon dates for two layers of these deposits were 16,461–17,056 cal BP, and 13,520–14,077 cal BP, which correspond to the oldest and older Dryas (Late Pleistocene). Insect assemblages of these deposits are mainly represented by Coleoptera, which are noteworthy there for high taxonomic and ecological diversity and include several endemic and relic species. At least 120 beetle species from 17 families have been found altogether, of them, 37 s

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Nikolova, I., and N. Georgieva. "Insect assemblages and their preference for Lupinus albus and L. luteus." Irish Journal of Agricultural and Food Research 57, no. 1 (2018): 29–41. http://dx.doi.org/10.1515/ijafr-2018-0004.

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AbstractWhile lupin has undergone extensive research to ascertain its suitability for growth as forage or grain legume crop, the present trend is for research to be centered on its applicability in the seed protein and oil industry. Study of the literature showed that no intensive study of the lupin insect fauna had been carried out in Bulgaria. The purpose of this study was to identify the insect assemblages associated with Lupinus albus and L. luteus, as well as the insect preference for them. Thrips sampling was made by the tapping-method, aphids were directly counted on the plants and the

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Deng, Jun, Junjie Li, Xinrui Zhang, et al. "Potential Global Invasion Risk of Scale Insect Pests Based on a Self-Organizing Map." Insects 14, no. 7 (2023): 572. http://dx.doi.org/10.3390/insects14070572.

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In the present study, a global presence/absence dataset including 2486 scale insect species in 157 countries was extracted to assess the establishment risk of potential invasive species based on a self-organizing map (SOM). According to the similarities in species assemblages, a risk list of scale insects for each country was generated. Meanwhile, all countries in the dataset were divided into five clusters, each of which has high similarities of species assemblages. For those countries in the same neuron of the SOM output, they may pose the greatest threats to each other as the sources of pot

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Simaika, John P., Michael Samways, and Sven M. Vrdoljak. "Species turnover in plants does not predict turnover in flower-visiting insects." PeerJ 6 (December 21, 2018): e6139. http://dx.doi.org/10.7717/peerj.6139.

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Congruence between plant and insect diversity is considered possibly useful in conservation planning, as the better known plants could be surrogates for the lesser known insects. There has been little quantification of congruence across space, especially in biodiversity rich areas. We compare here species richness, and turnover relationships between plants and flower-visiting insects across space (0.5–80 km) in natural areas of a biodiversity hotspot, the Greater Cape Floristic Region, South Africa. A total of 22,352 anthophile individuals in 198 species and 348 plant species were sampled. A c

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SUKATSHEVA, IRINA D., and DMITRY V. VASSILENKO. "Caddisflies from Chernovskie Kopi (Jurassic/Cretaceous of Transbaikalia)." Zoosymposia 5, no. 1 (2011): 434–38. http://dx.doi.org/10.11646/zoosymposia.5.1.37.

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The Jurassic or Cretaceous insect fossil site Chernovskie Kopi (Siberia, Transbaikalia) has yielded a rich and diverse insect fossil assemblage dominated by caddisflies (Order Trichoptera). Imaginal caddisflies from this site belong to the families Phryganeidae, Dysoneuridae, Philorheithridae, and Calamoceratidae, and the larval cases represent mainly the formal genus Folindusia. The family Philorheithridae is recorded as fossil for the first time. A combination of unusual ecology related to volcanic environments with unexpected abundance of the so-called prophetic larval forms (those occurrin

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Adroit, Benjamin, Vincent Girard, Lutz Kunzmann, Jean-Frédéric Terral, and Torsten Wappler. "Plant-insect interactions patterns in three European paleoforests of the late-Neogene—early-Quaternary." PeerJ 6 (June 20, 2018): e5075. http://dx.doi.org/10.7717/peerj.5075.

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Plants and insects are constantly interacting in complex ways through forest communities since hundreds of millions of years. Those interactions are often related to variations in the climate. Climate change, due to human activities, may have disturbed these relationships in modern ecosystems. Fossil leaf assemblages are thus good opportunities to survey responses of plant–insect interactions to climate variations over the time. The goal of this study is to discuss the possible causes of the differences of plant–insect interactions’ patterns in European paleoforests from the Neogene–Quaternary

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Zapata, Martha J., and S. Mažeika P. Sullivan. "Spatial and seasonal variability of emergent aquatic insects and nearshore spiders in a subtropical estuary." Marine and Freshwater Research 70, no. 4 (2019): 541. http://dx.doi.org/10.1071/mf18130.

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Variability in the density and distribution of adult aquatic insects is an important factor mediating aquatic-to-terrestrial nutritional subsidies in freshwater ecosystems, yet less is understood about insect-facilitated subsidy dynamics in estuaries. We surveyed emergent (i.e. adult) aquatic insects and nearshore orb-weaving spiders of the families Tetragnathidae and Araneidae in a subtropical estuary of Florida (USA). Emergent insect community composition varied seasonally and spatially; densities were lower at high- than low-salinity sites. At high-salinity sites, emergent insects exhibited

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Zapata, Martha J., and S. Mažeika P. Sullivan. "Corrigendum to: Spatial and seasonal variability of emergent aquatic insects and nearshore spiders in a subtropical estuary." Marine and Freshwater Research 70, no. 4 (2019): 609. http://dx.doi.org/10.1071/mf18130_co.

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Variability in the density and distribution of adult aquatic insects is an important factor mediating aquatic-to-terrestrial nutritional subsidies in freshwater ecosystems, yet less is understood about insect-facilitated subsidy dynamics in estuaries. We surveyed emergent (i.e. adult) aquatic insects and nearshore orb-weaving spiders of the families Tetragnathidae and Araneidae in a subtropical estuary of Florida (USA). Emergent insect community composition varied seasonally and spatially; densities were lower at high- than low-salinity sites. At high-salinity sites, emergent insects exhibited

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Schachat, Sandra R., Conrad C. Labandeira, Matthew R. Saltzman, Bradley D. Cramer, Jonathan L. Payne, and C. Kevin Boyce. "Phanerozoic p O 2 and the early evolution of terrestrial animals." Proceedings of the Royal Society B: Biological Sciences 285, no. 1871 (2018): 20172631. http://dx.doi.org/10.1098/rspb.2017.2631.

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Concurrent gaps in the Late Devonian/Mississippian fossil records of insects and tetrapods (i.e. Romer's Gap) have been attributed to physiological suppression by low atmospheric p O 2 . Here, updated stable isotope inputs inform a reconstruction of Phanerozoic oxygen levels that contradicts the low oxygen hypothesis (and contradicts the purported role of oxygen in the evolution of gigantic insects during the late Palaeozoic), but reconciles isotope-based calculations with other proxies, like charcoal. Furthermore, statistical analysis demonstrates that the gap between the first Devonian insec

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Landry, Carol L. "Changes in pollinator assemblages following hurricanes affect the mating system of Laguncularia racemosa (Combretaceae) in Florida, USA." Journal of Tropical Ecology 29, no. 3 (2013): 209–16. http://dx.doi.org/10.1017/s0266467413000266.

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Abstract:Hurricanes are major disturbance events in Neotropical mangrove communities, potentially affecting the reproductive success of mangrove species. This was the first investigation of changes in mangrove pollinator assemblages following hurricanes, and the effect of these changes on the mating system of Laguncularia racemosa. Insect pollinator assemblages were investigated in three Florida mangrove communities in 2001–2003, 2005 and 2009; two hurricanes affected the area in 2004. Visitation rates were estimated from 1445 insects observed during 272 10-min intervals; the number of flowers

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van der Voort, Genevieve E., Manu E. Saunders, and Jasmine K. Janes. "Pan trapping in habitats supporting Platanthera (Orchidaceae) shows little difference in insect family-level diversity." Canadian Entomologist 153, no. 5 (2021): 566–78. http://dx.doi.org/10.4039/tce.2021.17.

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AbstractThe role of insects as pollinators within plant communities is well established, yet our knowledge of insect biodiversity in many habitats is lacking. Given the growing concern that insect biodiversity is declining, it is increasingly important to document insect assemblages from a wide range of geographic locations and habitats. Pan trapping is a common means of sampling local insect diversity. Many studies have found different insects associated with different-coloured pan traps. Here, eight different-coloured pan traps were used to sample local insect diversity in habitats supportin

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Fukasawa, Yu. "Invertebrate Assemblages on Biscogniauxia Sporocarps on Oak Dead Wood: An Observation Aided by Squirrels." Forests 12, no. 8 (2021): 1124. http://dx.doi.org/10.3390/f12081124.

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Dead wood is an important habitat for both fungi and insects, two enormously diverse groups that contribute to forest biodiversity. Unlike the myriad of studies on fungus–insect relationships, insect communities on ascomycete sporocarps are less explored, particularly for those in hidden habitats such as underneath bark. Here, I present my observations of insect community dynamics on Biscogniauxia spp. on oak dead wood from the early anamorphic stage to matured teleomorph stage, aided by the debarking behaviour of squirrels probably targeting on these fungi. In total, 38 insect taxa were obser

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Coram, Robert A., and Edmund A. Jarzembowski. "Immature Insect Assemblages from the Early Cretaceous (Purbeck/Wealden) of Southern England." Insects 12, no. 10 (2021): 942. http://dx.doi.org/10.3390/insects12100942.

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The record of immature insects from the non-marine Purbeck and Wealden groups (Lower Cretaceous) of southern England is reviewed and expanded. Fossils of adult terrestrial insects are locally common, but terrestrial immature remains are restricted to transported hemipterans, most of which are sessile nymphs or puparia resembling those of extant whiteflies (Aleyrodidae). Remains of immature aquatic insects are more diverse and comprise the extant orders Plecoptera, Ephemeroptera, Odonata, Trichoptera, Hemiptera and Diptera. The Trichoptera are represented by larval cases constructed from a vari

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Elias, Scott A., and Susan K. Short. "Paleoecology of an Interglacial Peat Deposit, Nuyakuk, Southwestern Alaska, U.S.A." Géographie physique et Quaternaire 46, no. 1 (2007): 85–96. http://dx.doi.org/10.7202/032890ar.

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ABSTRACT This paper reports the presence of interglacial beetle and pollen assemblages within a Pleistocene peat deposit exposed along the Nuyakuk River of southwestern Alaska. The fossil beetle assemblages contain a number of species not previously identified from eastern Beringian fossil assemblages. The Nuyakuk interglacial deposits are exposed within a 6-m-high terrace along the river, about 4 km beyond the moraine of the penultimate glaciation. Interglacial peat lies within the lowermost meter of the bluff and is overlain by fluvial gravel and loess. Insect fossils were extracted from fiv

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Barbosa Ribeiro, Rodrigo Arison, Leandro Juen, and Leandro Schlemmer Brasil. "Habitat conditions in streams influence Odonata larval assemblages in the eastern Amazon." International Journal of Odonatology 25 (January 11, 2022): 22–30. http://dx.doi.org/10.48156/1388.2022.1917160.

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The growth of agricultural and mining activities in the Amazon has impacted land-use and caused significant changes in the local environmental conditions of streams. In the face of these changes, our study aimed at assessing how environmental changes affect Odonata larval assemblages in streams in the eastern Amazon. We hypothesized that habitat conditions in streams are strong predictors of Odonata larval assemblages. We sampled 30 headwater streams (1st through 3rd order) in the eastern Amazon. We corroborated our hypothesis that regional- and local-scale environmental changes are important

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Ernst, C. M., and C. M. Buddle. "Seasonal patterns in the structure of epigeic beetle (Coleoptera) assemblages in two subarctic habitats in Nunavut, Canada." Canadian Entomologist 145, no. 2 (2013): 171–83. http://dx.doi.org/10.4039/tce.2012.111.

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AbstractSeasonal patterns in the taxonomic and functional structure of epigeic Coleoptera assemblages in wet and mesic habitats were studied in Kugluktuk, Nunavut, Canada. Using pan and pitfall traps, 2638 beetles were collected between 21 June and 13 August 2010. Fifty species (including 17 new territory records) in 11 families were identified. The biomass of each specimen was estimated, and each was assigned to a functional group. Species composition differed between habitats throughout the active season and there was a rapid compositional turnover even though species diversity was similar i

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Horgan, Finbarr G. "The Structure of Rice Stemborer Assemblages: A Review of Species’ Distributions, Host Ranges, and Interspecific Interactions." Insects 14, no. 12 (2023): 921. http://dx.doi.org/10.3390/insects14120921.

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This review describes global rice stemborer assemblages based on published species distributions, apparent host preferences, and reported shifts in assemblage composition in response to environmental factors. At least 56 moth (Lepidoptera: Crambidae, Pyralidae, Noctuidae) and fly (Diptera: Diopsidae, Chloropidae) species have been associated with rice; however, only 21 species are of potential, large-scale economic importance with a further 2 species of localized concern; most of the remaining species’ associations with rice are based on dubious records without economic impacts on rice product

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Grandez-Rios, Julio Miguel, Bruce Leandro Iñape Oroche, and Walter Santos de Araújo. "Network structure of phytophagous insects associated with Theobroma bicolor (macambo) in an agroforestry system of the Peruvian Amazon." Folia Oecologica 52, no. 2 (2025): 174–88. https://doi.org/10.2478/foecol-2025-0017.

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Abstract Plant-insect interactions play a crucial role in shaping ecosystem structure and dynamics. In the present study, we describe the network structure of phytophagous insects associated with individual Theobroma bicolor in an agroforestry system of the Peruvian Amazon. Network analysis showed higher specialization and modularity than expected by null models, suggesting distinct insect assemblages with unique interactions. At the species level, Chrysomelidae sp. and Antiteuchus tripterus had higher degree and centrality, likely due to their greater mobility and ability to connect different

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Hung, Keng-Lou James, Sara S. Sandoval, John S. Ascher, and David A. Holway. "Joint Impacts of Drought and Habitat Fragmentation on Native Bee Assemblages in a California Biodiversity Hotspot." Insects 12, no. 2 (2021): 135. http://dx.doi.org/10.3390/insects12020135.

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Global climate change is causing more frequent and severe droughts, which could have serious repercussions for the maintenance of biodiversity. Here, we compare native bee assemblages collected via bowl traps before and after a severe drought event in 2014 in San Diego, California, and examine the relative magnitude of impacts from drought in fragmented habitat patches versus unfragmented natural reserves. Bee richness and diversity were higher in assemblages surveyed before the drought compared to those surveyed after the drought. However, bees belonging to the Lasioglossum subgenus Dialictus

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Gooch, James L., and Douglas S. Glazier. "TEMPORAL AND SPATIAL PATTERNS IN MID-APPALACHIAN SPRINGS." Memoirs of the Entomological Society of Canada 123, S155 (1991): 29–49. http://dx.doi.org/10.4039/entm123155029-1.

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AbstractThe major topographic features and river courses of the mid-Appalachian Mountains are geologically ancient. Small rheocrenes are numerous in carbonate valleys with macroinvertebrate assemblages typically dominated by peracaridans and sometimes gastropods, with subordinate abundances of bivalves, triclads, and insects. Springs were approximately rank ordered by temporal persistence, using size, catchment area, proximity to base level, and bedrock permeability factors as criteria. A 38-m2 rheocrene, Ell Spring, was sampled seasonally over a 2-year period for distribution and abundances o

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Torres, Marcos Timóteo, Jorge Luiz Pereira Souza, and Fabricio Beggiato Baccaro. "Distribution of epigeic and hypogeic ants (Hymenoptera: Formicidae) in ombrophilous forests in the Brazilian Amazon." Sociobiology 67, no. 2 (2020): 186. http://dx.doi.org/10.13102/sociobiology.v67i2.4851.

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In the Amazon basin, ants are often associated with environmental or edaphic factors. However, these associations may vary between the epigeic and hypogeic strata. Here, we investigated differences in richness and composition of epigeic and hypogeic ant assemblages along an environmental gradient in the Brazilian Amazon. The four studied sites cover different topographic and soil characteristics. We sampled 25 plots of 250 m2 using 10 samples of epigeic pitfalls and 10 samples of hypogeic pitfalls installed at two depths (10 and 30 cm). The pitfalls remained in the fi eld for 48 hours. In the

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Kuzmina, S. A., M. V. Micharevich, A. E. Basilyan, et al. "Reconstruction of the Late Holocene Environment of Central Yakutia Based on Fossil Invertebrates and Plants from a Buried Lake at the Vilyuy River Valley." Water 15, no. 15 (2023): 2790. http://dx.doi.org/10.3390/w15152790.

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We present the first record of Holocene fossil insect assemblages from Central Yakutia. A stratigraphic sequence in the locality within the Vilyuy River valley is a buried oxbow. The late Holocene water body inherited an impervious stratum from the late Pleistocene. The organic layer preserved rich fossil assemblages of macrofossils including insects and other invertebrates, plants, and charcoal. The ancient flora and fauna include species that are common in Yakutia as well as those that are rare and absent in the region. The most abundant finds are leech cocoons and bogbean seeds. The macrofo

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Korotyaev, Boris A., Levent Gültekin, Mark G. Volkovitsh, Vladimir I. Dorofeyev, and Alexander S. Konstantinov. "Bioindicator beetles and plants in desertified and eroded lands in Turkey." Journal of Insect Biodiversity 4, no. 1 (2016): 1. http://dx.doi.org/10.12976/jib/2016.4.1.

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The xerophilous vegetation with characteristic insect assemblages is described in the main agricultural regions and native landscapes of Turkey. Long term intensive investigations documented vast biotic degradation of soil and vegetation (commonly referred to as desertification) by overgrazing, construction, recreation etc. Two main types of xeric landscape are under investigation: 1) natural highly specific deserts, semi-deserts, dry mountain slopes and screes; and 2) anthropogenic, newly emerged, floristically impoverished desertified areas. The presence of a multi-species insect assemblage

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Fernandes, Geraldo Wilson, Tate C. Lana, Carla R. Ribas, et al. "Changes in Epigaeic Ant Assemblage Structure in the Amazon during Successional Processes after Bauxite Mining." Sociobiology 68, no. 1 (2021): 4973. http://dx.doi.org/10.13102/sociobiology.v68i1.4973.

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Environmental impact studies often involve monitoring and using bioindicators to evaluate the restoration stage of impacted areas. We aimed to assess ant assemblages’ response to the ecological succession of previously disturbed areas in the Brazilian Amazon. We sampled epigeic ant assemblages in five bauxite mining areas, representing different restoration stages, and compared them with two pristine areas. We also compared trends in species richness at the same mine site investigated 14 years earlier. Ten pitfall traps and four Winkler samples of litter were taken along a 100-m transect in ea

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Svenningsen, Cecilie S., Birte Peters, Diana E. Bowler, Robert R. Dunn, Aletta Bonn, and Anders P. Tøttrup. "Insect biomass shows a stronger decrease than species richness along urban gradients." Insect Conservation and Diversity 17, no. 2 (2024): 182–88. http://dx.doi.org/10.1111/icad.12694.

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Abstract Anthropogenic land cover change is a major driver of biodiversity loss, with urbanisation and farmland practices responsible for some of the most drastic modifications of natural habitats. The relative importance of different land covers for shaping insect communities, however, is unclear. This study examines the effect of urban and farmland covers, along with land cover heterogeneity, at a landscape scale on species richness, evenness and biomass of flying insects using citizen science carnet sampling across Denmark. Increasing urban cover had a negative effect on insect richness but

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Skrzecz, Iwona, and Maria Bulka. "Insect assemblages in Norway spruce [Picea abies (L.) Karst.] stumps in the Eastern Sudetes." Folia Forestalia Polonica, Series A - Forestry 52(2) (July 1, 2010): 98–107. https://doi.org/10.5281/zenodo.30846.

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The aim of the study was to determine the species composition of insect assemblages colonising stumps of Picea abies (L.) Karst. in mountain conditions. Investigations were carried out in the Eastern Sudetes (south –western Poland) in forest stands situated at 600– 700 m above sea level. The observations were conducted on stumps left behind after felling 70– 90 years old Norway spruces. The analysed stumps were colonised by insects from 21 families of 3 orders: Coleoptera (approximately 95%), Diptera (5%) and Raphidioptera (0.2%). There were 12 Coleoptera families determined

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Scriven, L. A., M. J. Sweet, and G. R. Port. "Flower Density Is More Important Than Habitat Type for Increasing Flower Visiting Insect Diversity." International Journal of Ecology 2013 (2013): 1–12. http://dx.doi.org/10.1155/2013/237457.

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Declines in flora and fauna are well documented and highlight the need to manage available habitats to benefit local biodiversity. Between May and September in 2011 the number, composition, and diversity of flower visiting insects were assessed across eight sites, representing a range of habitats within an industrial site in the North East of England, UK. There was no significant difference in insect assemblages between the sites selected, but there was a significant difference between the months surveyed. Flower density was highlighted as the most important factor driving these changes betwee

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Garono, Ralph J., Richard L. Kiesling, Eric N. Wold, Shon S. Schooler, and David D. Bradsby. "Adult insect assemblages as a conservation planning tool." SIL Proceedings, 1922-2010 27, no. 7 (2001): 4032–41. http://dx.doi.org/10.1080/03680770.1998.11901753.

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YOSHIMURA, Mayumi. "Effects of forest disturbances on aquatic insect assemblages." Entomological Science 15, no. 2 (2012): 145–54. http://dx.doi.org/10.1111/j.1479-8298.2011.00511.x.

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LEMDAHL, GEOFFFREY. "Late Vistulian insect assemblages from Zabinko, western Poland." Boreas 20, no. 1 (2008): 71–77. http://dx.doi.org/10.1111/j.1502-3885.1991.tb00461.x.

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Harper, P. P., and Louise Cloutier. "SYSTEMATICS AND THE SYNECOLOGY OF AQUATIC INSECTS: PHENOLOGY AND TEMPORAL STRUCTURE OF TEMPERATE LAKE ASSEMBLAGES." Memoirs of the Entomological Society of Canada 125, S165 (1993): 243–56. http://dx.doi.org/10.4039/entm125165243-1.

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AbstractFour emergence series were collected from a small mesotrophic–dystrophic lake in the southern Laurentians of Québec: near shore (station A, 0.3 m, shrubs and heaths), in the littoral zone (B, 0.6 m, and C, 1 m, aquatic vegetation), and in open water (D, 6 m, no vegetation). A gradient of species richness (121–34), of numbers (4622–1120/m2), of diversity (5.62–2.42 bits), and of equitability (0.81–0.48) extended from the shore to the open water. Also recognized was a seasonal succession of early synchronized species, many of which completed a second generation by late summer, and of mor

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