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Journal articles on the topic 'Mortality of mites'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Smith, Bruce P. "Impact of parasitism by larval Limnochares aquatica (Acari: Hydrachnidia; Limnocharidae) on juvenile Gerris comatus, Gerris alacris, and Gerris buenoi (Insecta: Hemiptera; Gerridae)." Canadian Journal of Zoology 67, no. 9 (1989): 2238–43. http://dx.doi.org/10.1139/z89-316.

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Laboratory-reared first-instar juvenile Gerris comatus Drake &Hottes, Gerris alacris Hussey, and Gerris buenoi Kirkaldy were exposed to larval Limnochares aquatica (L.). Development and mortality of parasitized juvenile water striders were monitored and compared with those of unparasitized insects. Duration of infestation was from 6 to 13 days during which surviving hosts moulted several times, with engorging larvae transferring to the teneral host during the moulting process. Most mites dropped off the host during the host's second instar, and all mites were off the host by the host's fou

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Alhewairini, Saleh S. "Effects of Hexythiazox on Different Stages of Mites Infesting Orange Trees." Pakistan Journal of Agricultural Sciences 60, no. 01 (2023): 193–99. http://dx.doi.org/10.21162/pakjas/23.398.

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Miticidal action of hexythiazox has been investigated against three mites, Citrus Rust Mite, Phyllocoptruta oleivora (Ashmead) (Acari: Eriophyidae), False Spider Mite, Brevipalpus californicus (Banks) (Acari: Tenuipalpidae) and Citrus Brown Mite, Eutetranychus orientalis Klein (Acari: Tetranychidae), infesting citrus trees in the region of Al Qassim, Saudi Arabia. Three concentrations of hexythiazox, half of the recommended dose (HRD), the recommended dose (RD) and double recommended dose (DRD) were used against the selected mite species at immature and adult stages. Mortality data was recorde

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Wright, Fred C., Frank S. Guillot, and John E. George. "Efficacy of acaricides against chorioptic mange of goats." American Journal of Veterinary Research 49, no. 6 (1988): 903–4. https://doi.org/10.2460/ajvr.1988.49.06.903.

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SUMMARY Angora goats heavily infested with Chorioptes bovis were dipped one time in either 0.05% amitraz, 0.27% coumaphos, 0.05% fenvalerate, or 0.03% lindane. Control of the mites by the single dips was evaluated for 21 days. Amitraz caused 98% mortality of the mites initially. Both coumaphos and lindane caused > 85% mortality at 3 days, but mite numbers increased rapidly thereafter. Only fenvalerate killed all of the mites.

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Bergeron, Paul, and Rebecca Schmidt-Jeffris. "Herbicides Harm Key Orchard Predatory Mites." Insects 14, no. 5 (2023): 480. http://dx.doi.org/10.3390/insects14050480.

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The phytoseiid mites Galendromus occidentalis and Amblydromella caudiglans are critical for conservation biological control of pest mites in Washington State, U.S.A. apples. While the non-target effects of insecticides on phytoseiids are well described, research on herbicide effects is limited. Using laboratory bioassays, we examined lethal (female mortality) and sublethal (fecundity, egg hatch, larval survival) effects of seven herbicides and five adjuvants on A. caudiglans and G. occidentalis. The effects of mixing herbicides with recommended adjuvants were also tested to determine if the ad

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Kevan, S. D., M. E. Nasr, and P. G. Kevan. "FEEDING MENTHOL TO HONEYBEES (HYMENOPTERA: APIDAE): ENTRY AND PERSISTENCE IN HAEMOLYMPH WITHOUT CAUSING MORTALITY." Canadian Entomologist 131, no. 2 (1999): 279–81. http://dx.doi.org/10.4039/ent131279-2.

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Tracheal mites, Acarapis woodi (Rennie) (Acari: Tarsonemidae), are important parasites of honeybees, Apis mellifera L. (Morse and Flottum 1997). They enter the prothoracic tracheae and feed through the walls on haemolymph. Currently, these mites are controlled by applying 50 g of menthol crystals in a perforated bag per hive when ambient temperatures are 15°C or more. Even then, it takes 2 weeks for the menthol to perfuse the hive (Herbert et al. 1988; Wilson et al. 1990). In cold climates, sublimation of menthol is too slow to be effective in controlling mites, especially in spring and fall w

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Calderón-Fallas, Rafael A., Fernando Ramírez-Arias, and Luis Sánchez-Chaves. "Trampa de fondo como una alternativa en el control integrado del ácaro Varroa destructor en colmenas de abejas africanizadas." Ciencias veterinarias 41, no. 2 (2023): 1–13. http://dx.doi.org/10.15359/rcv.41-2.1.

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The effectiveness of the bottom board trap to control the mite Varroa destructor in Africanized honey bee colonies was evaluated from June to September 2017 in Atenas, Alajuela. Naturally fallen mites were collected during a 30-day period with a bottom board trap, which consisted of a wooden bottom (50 x 42 cm) modified with a metal lattice and a screen of six holes per cm2. A white piece of cardboard previously gridded and coated with a thin layer of Vaseline to help count the number of fallen mites was placed inside the trap. The cardboard was replaced every seven days. After 30 days, the re

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Hadi, Masood Z., Mark P. Bridgen, and John P. Sanderson. "Establishment of Tetranychid Mites in vitro." HortTechnology 8, no. 2 (1998): 179–82. http://dx.doi.org/10.21273/horttech.8.2.179.

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Procedures were developed to determine if live, adult two-spotted spidermites (Tetranychus urticae Koch) could be surface disinfested before being introduced into in vitro cultures of torenia (Torenia fournieri L.). Three time periods (5, 10, and 15 minutes) and five levels of sodium hypochlorite (0.05% to 0.25%) were evaluated. Surface disinfestation was accomplished by agitating 2 × 3 cm pieces of infested bean leaves in sodium hypochlorite solutions and then drying in a mite drier apparatus. All sodium hypochlorite concentrations disinfested the mites completely, however high concentration

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Vigad, Nattha, Wattana Pelyuntha, Prapakorn Tarachai, Sunee Chansakaow, and Kridda Chukiatsiri. "Physical characteristics, chemical compositions, and insecticidal activity of plant essential oils against chicken lice (Menopon gallinae) and mites (Ornithonyssus bursa)." Veterinary Integrative Sciences 19, no. 3 (2021): 449–66. http://dx.doi.org/10.12982/vis.2021.037.

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A preparation of essential oils to control chicken lice (Menopon gallinae) and mites (Ornithonyssus bursa) was developed. Each essential oil was effective against lice and mite in vitro. Citronella oil at the lowest concentration of 0.208 µg/cm2 resulted in a mortality rate of 100% in chicken lice, whereas a higher concentration of cloves, lemongrass, ginger, Makwan oil (0.416 µg/cm2), and Litsea oil (0.832 µg/cm2) was also found to be effective. A 100% rate of mortality for mites was observed using citronella and ginger oil at a concentration of 0.416 µg/cm2. At the same concentration, cloves

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Jamieson, L. E., A. Chhagan, S. P. Redpath, et al. "Development of a hot water disinfestation treatment for taro exported from the Pacific Islands." New Zealand Plant Protection 69 (January 8, 2016): 200–206. http://dx.doi.org/10.30843/nzpp.2016.69.5891.

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Taro imported to New Zealand from the Pacific Islands are currently fumigated with methyl bromide (MB) for control of mites nematodes and other quarantine pests There are growing restrictions on the use of MB and alternatives to this fumigant are being sought such as hot water treatments Mites (Rhizoglyphus minutus) and nematodes (Meloidogyne sp or Helicotylenchus sp) were exposed to hot water both on and off taro Hot water exposures ranged from 475C to 525C for 15 s to 5 min the duration depending on the temperature Preliminary off taro experiments indicated that 100 mortality of R minutus mi

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White, N. D. G., D. S. Jayas, and C. J. Demianyk. "Movement of grain to control stored-product insects and mites." Phytoprotection 78, no. 2 (2005): 75–84. http://dx.doi.org/10.7202/706122ar.

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The movement of stored grain by auger or pneumatic conveyor was evaluated for control of stored-product insects and mites. In a pilot scale test using nine welded steel bins each holding 322 kg of wheat (Triticum aestivum), movement of grain using an auger in three bins caused 89% mortality of red flour beetle, Tribolium castaneum adults and 94% mortality of rusty grain beetle, Cryptolestes ferrugineus adults. Larval mortality of both species, based on grain samples placed in Berlese funnels, was 100%. Pneumatic conveyance of grain in three bins caused 100% mortality of all stages of both inse

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Cai, Haiming, Xu Zhang, Zhibin Lin, Shanshan Li, Huiquan Lin, and Yongwen Lin. "Mint essential oil: A natural and effective agent for controlling house dust mites." PLOS ONE 20, no. 2 (2025): e0318639. https://doi.org/10.1371/journal.pone.0318639.

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Conventional methods of house dust mite control often involve chemical pesticides, raising concerns about their potential hazards. Mint essential oil presents a natural and eco-friendly alternative for managing house dust mite infestations. In this study, ten varieties of mint plants were cultivated, and their essential oils were extracted through steam distillation. The toxicity of these mint essential oils and their main compounds on adult house dust mites was assessed using contact+fumigant mortality bioassays and vapour-phase mortality bioassays. A repellent bioassay was also conducted to

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Ou, Cuiyi, Qichun Chen, Xiangyu Hu, et al. "Mycophagous Mite, Tyrophagus putrescentiae, Prefers to Feed on Entomopathogenic Fungi, except Metarhizium Generalists." Microorganisms 12, no. 6 (2024): 1042. http://dx.doi.org/10.3390/microorganisms12061042.

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(1) Background: The mycophagous mite, Tyrophagus putrescentiae, was found to feed on entomopathogenic fungi (EPF) in our previous experiments, which seriously impacted the culture and preservation of fungal strains. Therefore, it is necessary to investigate the biological characteristics of the occurrence and damage to EPF. (2) Methods: The mite’s growth and development and feeding preference were surveyed by comparative culture and observation; also, optical and electronic microscopies were employed. (3) Results: T. putrescentiae could survive normally after being fed on seven EPF species, in

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Toroitich, F. J., M. Knapp, J. H. Nderitu, F. M. Olubayo, and M. Obonyo. "Susceptibility of geographically isolated populations of the Tomato red spider mite (Tetranychus evansi Baker & Pritchard) to commonly used acaricides on tomato crops in Kenya." Journal of Entomological and Acarological Research 46, no. 1 (2014): 18. http://dx.doi.org/10.4081/jear.2014.1469.

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Farmers in Kenya continue to raise concerns of difficulty in managing <em>Tetranychus evansi</em>, the most widespread pest species of tomato applying the most commonly used acaricides. This invasive pest species is not only found in Kenya, but in Eastern and Southern Africa, as well as parts of Europe and Asia. In the current study, populations of <em>T. evansi</em> were collected from farms in the four major tomato-growing areas of Kenya (Loitoktok, Kibwezi, Athi-River and Subukia) and their susceptibility compared to a laboratory culture (ICIPE) that had been maintai

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Almecija, Gabrielle, Benjamin Poirot, Paulo Mielgo, Max Watkins, and Christelle Suppo. "Influence of Amitraz-Based Product Characteristics on Varroa Mite Population Control." Parasitologia 4, no. 1 (2024): 71–81. http://dx.doi.org/10.3390/parasitologia4010006.

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The presence of the Varroa destructor mite requires the use of acaricide treatments for honeybee colonies. Amitraz is one of the most common acaricide-active ingredients used by beekeepers. Certain Varroa mite populations have developed resistance to amitraz, thereby leading to a loss in the efficacy of amitraz-based treatments. Two products, Apivar and Supatraz, were applied in the same apiary in France to evaluate their efficacy. Both treatments are amitraz-based but have different galenics. Thanks to field data, a dynamic model was used to simulate the actions of Apivar and Supatraz on the

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Astuti, Luluk Tri, Rahmi Sugihartuti, Lianny Nagoi, Nunuk Dyah Retno Lastuti, Dewa Ketut Meles, and Agus Sunarso. "The Potential of Anting – Anting (Acalypha indica L.) Leaf Extract as Anti-Scabies to Sarcoptes scabiei var. Cuniculi in vitro." Journal of Parasite Science 3, no. 2 (2019): 67. http://dx.doi.org/10.20473/jops.v3i2.16520.

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The Aim of research to determine the potential of anting-anting (Acalypha indica L.) leaf extract as anti-scabies to Sarcoptes scabiei var. Cuniculi in vitro by observing the mortality rates and lethal concentration of Sarcoptes scabiei. There were 5 treatments namely DMSO 0.5% (PN). Amitraz (P0), anting-anting (Acalypha indica L.) leaf extract concentratrion of 6,25% (P1), 12,5% (P2) and 25% (P3). Observations were carried out for 8 hours with stereomicroscope. The data was analyzed using rpobit analysis with SPSS 20.0 software. The results showed that the fastest mortality rate of S. Scabiei

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Căuia, Eliza. "IMPROVING THE FORMIC ACID-BASED FORMULAS USED IN VARROOSIS CONTROL BY BROOD BRUSHING PROCEDURE." SCIENTIFIC PAPERS. SERIES D. ANIMAL SCIENCE LXV, no. 1 (2022): 334–40. https://doi.org/10.5281/zenodo.10828695.

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The paper aims to present some preliminary results regarding the effectiveness of different lower concentration of formicacid formulas, used by brushing procedure, in killing the varroa mites (Varroa destructor) which are found in thereproductive phase in the capped brood. To perform the experiments, honeybee capped brood combs from untreatedcolonies were collected and treated in two experimental groups with different dilutions (20%, 30%, 40%, 50%) ofconcentrated formic acid (85%) used in water-based and alcohol-based dilutions. The measurements were focused onthe evaluation the varroa mite mo

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Feng, Shenrui, Minmin Shi, Zhijuan Yin, Wenda Di, Jacques Guillot, and Fang Fang. "Can Ivermectin kill Sarcoptes scabiei during the molting process?" PLOS Neglected Tropical Diseases 17, no. 5 (2023): e0011337. http://dx.doi.org/10.1371/journal.pntd.0011337.

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Background Sarcoptes scabiei is a permanent obligate ectoparasite that lives and reproduces in the epidermis of humans and other mammals worldwide. There is a lack of information on the molting process of Sarcoptes scabiei. Ivermectin is widely used to treat Sarcoptes infection in humans and animals, while the survival of molting Sarcoptes mites in the presence of ivermectin is unknown. The aim of the present study is to investigate the molting process of Sarcoptes mites and assess the activity of ivermectin during the molting process of Sarcoptes mites. Methodology/Principal findings molting

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Van_Epenhuijsen, C. W., and J. P. Koolaard. "Effective aerosol treatment of mould mites and onion thrips in tissue culture." New Zealand Plant Protection 57 (August 1, 2004): 202–8. http://dx.doi.org/10.30843/nzpp.2004.57.6911.

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Ethyl formate applied as an aerosol killed almost 100 of the mould mites (Tyrophagus putrescentiae) present in tissue culture tubs Mite mortality showed dose responses to the chemical and mortality increased with duration of exposure Other aerosol formulations and vacuum and controlled atmosphere treatments were also tested but were not effective in controlling mites Onion thrips (Thrips tabaci) in open and closed tissue culture tubs were killed by ethyl formate 65 and 85 CO2 atmospheres or dichlorvos plus CO2 propellant Further work is needed to define effective dose rates and exposure times

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BOWEN-WALKER, P. L., S. J. MARTIN, and A. GUNN. "Preferential distribution of the parasitic mite, Varroa jacobsoni Oud. on overwintering honeybee (Apis mellifera L.) workers and changes in the level of parasitism." Parasitology 114, no. 2 (1997): 151–57. http://dx.doi.org/10.1017/s0031182096008323.

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The distribution of Varroa jacobsoni on clustered, overwintering workers of Apis mellifera was investigated. The majority of mites were found between the 3rd and 4th ventro-lateral tergites of the abdomen with a significant preference for the left side of the host. This position would enable the mites to place their mouthparts in close proximity to the central portion of the bees' ventriculus. This may allow the mites access to nutrients at higher concentrations than would occur elsewhere in the haemolymph. At the start of winter, most infested bees carried only a single mite but towards the e

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Pree, D. J., D. B. Marshall, and B. D. McGarvey. "RESIDUAL TOXICITY OF DICOFOL, FORMETANATE HCl, PROPARGITE, HEXYTHIAZOX, AND CLOFENTEZINE TO EUROPEAN RED MITE ON PEACH." Canadian Entomologist 124, no. 1 (1992): 59–67. http://dx.doi.org/10.4039/ent12459-1.

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AbstractThe persistence of toxic effects of the contact acaricides dicofol, propargite, and formetanate HCl and the ovicides clofentezine and hexythiazox to the European red mite, Panonychus ulmi (Koch), were tested by bioassays of disks cut from treated peach foliage. Effects of dicofol were more persistent than propargite or formetanate HCl to susceptible mites. Mortality on dicofol-treated foliage was >50% for more than 15 days. Propargite killed >50% of females for 10 days after application, whereas the toxicity of formetanate HCl deposits declined rapidly after 7 days. Mortality of

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Ali, Hazim M., Khalid A. Fhaid, and Khairullah M. Awad. "Effectiveness of Nanoparticle-Based Treatments in Controlling Oligonychus afrasiaticus (McGregor) (Acari Tetranchidae) Infestation in Date Palm Trees." IOP Conference Series: Earth and Environmental Science 1262, no. 3 (2023): 032023. http://dx.doi.org/10.1088/1755-1315/1262/3/032023.

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Abstract Date palm mite Oligonychus afrasiaticus (McGregor) (Acari: Tetranychidae) infestations pose a significant threat to date palm plantations, leading to reduced crop yield and economic losses. Nanoparticle-based strategies have emerged as a promising approach for controlling mite populations due to their unique physicochemical properties and environmentally friendly nature. In this study, we investigated the impact of three different nanoparticle types, namely silver, silica, and sulphur, on the mortality rate of date palm mites at different life stages (larvae, nymphs, and adults). The

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Waddell, B. C., V. M. Jones, and D. B. Birtles. "Comparative mortality responses of two species of mites following heat treatment." Proceedings of the New Zealand Plant Protection Conference 46 (January 8, 1993): 1–5. http://dx.doi.org/10.30843/nzpp.1993.46.11187.

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Fiedler, Żaneta, and Danuta Sosnowska. "Side effects of fungicides and insecticides on predatory mites, in laboratory conditions." Journal of Plant Protection Research 54, no. 4 (2014): 349–53. http://dx.doi.org/10.2478/jppr-2014-0052.

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Abstract Experiments were carried out on the toxicity of selected insecticides and fungicides to the predatory mites species: Amblyseius swirskii, A. andersoni, and Phytoseiulus persimilis. Among the tested active substances: abamectin, hexytiazox, and spinosad were safe to the predators. The mortality level of the tested predator was comparable to the control treatment, seven days after application. The percentage values of these predatory mites’ mortality caused by these insecticides, applied at one and a half of the recommended dose did not exceed a low toxicity – 25% (referring to Internat

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Hammad, E. Abou-Fakhr, M. Akkary, N. Saliba, M. Farran, and S. Talhouk. "Bioactivity of Indigenous Medicinal Plants against the Two-Spotted Spider Mite, Tetranychus urticae." Journal of Agricultural Science 9, no. 7 (2017): 123. http://dx.doi.org/10.5539/jas.v9n7p123.

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Forty two methanol extracts and 12 aqueous extracts of 29 indigenous medicinal plant species were tested for their acaricidal bioactivity against the two spotted spider mite, Tetranychus urticae adults at the laboratory. Fourteen methanol plant extracts caused significant mortality in mites. This is the first report for the potential effect on survival of mites for 27 tested endemic plant species. Methanol whole plant extracts (WPEs) of Lotus carmeli, Alchemilla diademata, Eryngium deserlorum and aqueous fruit extracts (FrEs) of Melia azedarach caused toxic effects against the adult mites in t

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Faria, Adriana Marques, Adriana da Silva Santos, Lorena Lopes Ferreira, et al. "Acaricidal activity of ethanolic extracts of Stryphnodendron adstringens and Lafoensia pacari and oil resins from Copaifera sp. and Pterodon emarginatus against Sarcoptes scabiei var. suis." Pesquisa Veterinária Brasileira 37, no. 12 (2017): 1411–15. http://dx.doi.org/10.1590/s0100-736x2017001200009.

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ABSTRACT: In vitro bioassay using Sarcoptes scabiei as a test microorganism is a viable method of study for diverse drugs with acaricidal properties. A great amount of assays proves the diverse and efficient biological activity of extracts and compounds from Brazilian savanna plants. This study had as main object, test and compare the acaricidal activity of four Brazilian Cerrado bioproducts: Stryphnodendron adstringens Mart., Copaifera sp., Lafoensia pacari A. St Hil. and Pterodon emarginatus Vogel, 1837. To perform this test S. scabiei mites were collected from crusts removed on ears of high

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Park, So Eun, Jong-Cheol Kim, Yeram Im, and Jae Su Kim. "Pathogenesis and defense mechanism while Beauveria bassiana JEF-410 infects poultry red mite, Dermanyssus gallinae." PLOS ONE 18, no. 2 (2023): e0280410. http://dx.doi.org/10.1371/journal.pone.0280410.

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The poultry red mite, Dermanyssus gallinae (Mesostigmata: Dermanyssidae), is a major pest that causes great damage to chicken egg production. In one of our previous studies, the management of red mites using entomopathogenic fungi was evaluated, and the acaricidal fungus Beauveria bassiana JEF-410 was selected for further research. In this study, we tried to elucidate the pathogenesis of B. bassiana JEF-410 and the defense mechanisms of red mites at a transcriptome level. Red mites collected from a chicken farm were treated with B. bassiana JEF-410. When the mortality of infected red mites rea

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Gregorc, Aleš, and Ivo Planinc. "Sustainable varroa mite (Varroa destructor) control in field conditions." Acta Veterinaria Brno 91, no. 4 (2022): 401–7. http://dx.doi.org/10.2754/avb202291040401.

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Experiments assessed the comparative efficacy of oxalic acid solution (OA) and combination of formic acid (FA) evaporation and trickling OA to control the honey bee mite, Varroa destructor, at two apiary locations. Queen caging, consecutive OA treatments of broodless colonies, or combined treatments using OA and FA in colonies with brood increased mite mortality (P < 0.05) in comparison to the pre-treatment period. FA application in colonies with brood in September and October resulted in an average mite mortality of 18% in the first apiary and subsequent FA applications in the same period

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Ranadev, P., K. Nagaraju, R. Muthuraju, and R. Vasanth Kumari. "Assessment of Entomopathogenic Fungi for the Biocontrol of Sucking Insect Pests: Pertaining to Red Spider Mites (Tetranychus urticae)." Current Journal of Applied Science and Technology 42, no. 11 (2023): 1–9. http://dx.doi.org/10.9734/cjast/2023/v42i114099.

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Aim: The study was undertaken to assess the efficiency and select the virulent entomopathogenic fungal isolates for the biological control of red spider mites (Tetranychus urticae) under in vitro conditions. Place and Duration of Work: The study was carried out in the Department of Agricultural Microbiology, University of Agricultural Sciences, GKVK, Bangalore, India. Methodology: A leaf disc bioassay was employed to assess the virulence of entomopathogenic fungal isolates isolated from 2 agro-climatic zones of Karnataka, India under In vitro conditions. The lethal concentration an

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Eden, T. M., D. J. Wilson, and D. L. Hackell. "Assays to determine the predatory ability of Pergamasus against clover flea." New Zealand Plant Protection 58 (August 1, 2005): 131–34. http://dx.doi.org/10.30843/nzpp.2005.58.4285.

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Clover flea (Sminthurus viridis) is found throughout New Zealand and is a major economic pest of white clover (Trifolium repens) in localised areas of the North Island Predatory mites are important biocontrol agents of clover flea in Australia but little is known of the efficacy of the predatory mite species present in New Zealand A major challenge to assessing mite efficacy has been poor survival of clover flea in laboratory assays It was found that adult clover flea survival was higher when they were contained with soil whereas soil was not essential for the survival of younger nymphs The pr

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Konwar, Joyshree, Bidisha Hazarika, Gautam Kr Saikia, Inee Gogoi, Somnath Roy, and Anubrat Bora. "Efficacy of Sesame Oil and mustard Oil Formulations against Red Spider Mite of Tea." International Journal of Environment and Climate Change 13, no. 11 (2023): 1178–84. http://dx.doi.org/10.9734/ijecc/2023/v13i113268.

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Crude formulations of sesame and mustard oil at 0.5%, 0.75% and 1% concentration with or without the addition of cow urine were assessed against red spider mite, Oligonychus coffeae (Nietner) in the laboratory. Efficacy tests on oviposition rate, egg hatchability, mortality of nymph and adult mites proved that sesame oil 1%, with or without the addition of cow urine was found to be effective in reducing the rate oviposition and egg hatchability of mites and was at par with the formulation prepared from commercial neem (1 : 1500). Formulations of sesame oil at the rate of 0.75% and 1% with or w

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Bahreini, Rassol, Medhat Nasr, Cassandra Docherty, David Feindel, Samantha Muirhead, and Olivia de Herdt. "New bioassay cage methodology for in vitro studies on Varroa destructor and Apis mellifera." PLOS ONE 16, no. 4 (2021): e0250594. http://dx.doi.org/10.1371/journal.pone.0250594.

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Varroa destructor Anderson and Trueman, is an ectoparasitic mite of honey bees, Apis mellifera L., that has been considered a major cause of colony losses. Synthetic miticides have been developed and registered to manage this ectoparasite, however, resistance to registered pyrethroid and organophosphate Varroacides have already been reported in Canada. To test toxicity of miticides, current contact-based bioassay methods are designed to evaluate mites and bees separately, however, these methods are unlikely to give an accurate depiction of how miticides interact at the colony level. Therefore,

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Rejon, Julian, Ingrid Cauich, Julio Dzul, et al. "Mites associated with budgerigars Melopsittacus undulatus (Psittaciformes: Psittacidae) and the first report of Ornithonyssus bursa (Mesostigmata: Macronyssidae) in Mexico." Open Veterinary Journal 13, no. 1 (2023): 20. http://dx.doi.org/10.5455/ovj.2023.v13.i1.3.

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Background: Hematophagous mites affect numerous bird species, causing severe injuries to the budgerigars. Some species can cause dermatitis in humans. Aims: The purpose was to morphologically identify the mites related to budgerigars (Melopsittacus undulatus) and their nests in Yucatan, Mexico. Methods: In May 2022, a private budgerigar hatchery was visited and mites were collected from the bodies of the birds and their nests. The morphological traits of the mites were confirmed by scanning electron microscopy. Results: Four of 30 birds showed severe clinical signs of mite infestation. The Bud

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Qayyoum, Muhammad Asif, Zi-Wei Song, Bao-Xin Zhang, Dun-Song Li, and Bilal Saeed Khan. "Behavioral response of Panonychus citri (McGregor) (Acari: Tetranychidae) to synthetic chemicals and oils." PeerJ 9 (April 5, 2021): e10899. http://dx.doi.org/10.7717/peerj.10899.

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Background Panonychus citri (McGregor) (Acari: Tetranychidae) population outbreaks after the citrus plantation’s chemical application is a common observation. Dispersal behavior is an essential tool to understand the secondary outbreak of P. citri population. Therefore, in the current study, the dispersal activity of P. citri was observed on the leaf surfaces of Citrus reticulata (Rutaceae) treated with SYP-9625, abamectin, vegetable oil, and EnSpray 99. Method Mites were released on the first (apex) leaf of the plant (adaxial surface) and data were recorded after 24 h. The treated, untreated,

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Sokół, Rajmund, Remigiusz Gałęcki, and Maria Michalczyk. "Controlled Infestation of Honeybee Colonies with Varroa Destructor Females." Journal of Apicultural Science 63, no. 1 (2019): 149–55. http://dx.doi.org/10.2478/jas-2019-0009.

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AbstractThe development of female Varroa destructor mites in the bee colonies was examined in the apiculture season through a developed research system in which bee colonies were experimentally infested with fifty V. destructor females. Differences in infestation rates were observed between the control group (C) and the infested group (E). The average number of female mites per colony was determined at 513 in group E and 261.6 in group C. Natural daily mortality reached 0.16 mites in group E and 0.09 mites in group C. In group E, the number of V. destructors increased 7.96 to 13.32-fold, subje

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Harbo, John R. "Field and laboratory tests that associate heat with mortality of tracheal mites." Journal of Apicultural Research 32, no. 3-4 (1993): 159–65. http://dx.doi.org/10.1080/00218839.1993.11101301.

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Zulkepeli, Nur Amilin, and Nur Athiqah Md Yusof. "Efficacy of Neem Oil (Azadirachta indica) and Clove Oil (Syzygium aromaticum) against Ear Mites in Rabbits (Oryctolagus cuniculus)." Journal Of Agrobiotechnology 13, no. 1S (2022): 31–37. http://dx.doi.org/10.37231/jab.2022.13.1s.310.

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Ear mites are a common ectoparasite that causes a skin disease known as mange in rabbits. Its infestation will contribute to poor growth, decrease production performances and in severe cases, cause mortality. To date, chemical pesticides are still widely used to control rabbit mites, where long-term use will contribute to the evolution of mite resistance. Essential oils have become an alternative method due to their efficacy and safety. This study was aimed to determine the efficacy of clove oil and neem oil against rabbit ear mites. The rabbits were divided into four treatment groups: T1, T2

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Danilov, L. G., G. P. Ivanova, V. G. Kaplin, and E. A. Varfolomeeva. "Acaricidal effect of secondary metabolites from symbiotic bacteria Xenorhabdus bovienii and X. nematophila of entomopathogenic nematodes on spider mite Tetranichus urticae (Trombidiformes, Tetranichidae)." Паразитология 57, no. 1 (2023): 64–76. http://dx.doi.org/10.31857/s0031184723010064.

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In laboratory, the highest mortality rates of Tetranychus urticae after the use of metabolic products of symbiotic bacteria with a titer of 1 × 107 were observed in Xenorhabdus bovienii at 6-8 days post application (dpa) in the experiment with live and at 8 dpa of autoclaved culture (about 95%). In experiments with live and autoclaved culture with a titer of 1 × 107, the mortality mites at 8 dpa in X. bovienii was almost the same, but in X. nematophila it was slightly higher in autoclaved culture. At 8 dpa, the efficacy of the live and autoclaved metabolic products of Xenorhabdus bovienii and

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Santos-Matos, Gonçalo, Nicky Wybouw, Nelson E. Martins, et al. "Tetranychus urticae mites do not mount an induced immune response against bacteria." Proceedings of the Royal Society B: Biological Sciences 284, no. 1856 (2017): 20170401. http://dx.doi.org/10.1098/rspb.2017.0401.

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The genome of the spider mite Tetranychus urticae , a herbivore, is missing important elements of the canonical Drosophila immune pathways necessary to fight bacterial infections. However, it is not known whether spider mites can mount an immune response and survive bacterial infection. In other chelicerates, bacterial infection elicits a response mediated by immune effectors leading to the survival of infected organisms. In T. urticae , infection by either Escherichia coli or Bacillus megaterium did not elicit a response as assessed through genome-wide transcriptomic analysis. In line with th

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Beers, E. H., and A. Anderson. "Residual Mortauty of Twospotted Spider Mite From Agri-Mek Plus Various Adjuvants, 1992." Insecticide and Acaricide Tests 18, no. 1 (1993): 361–62. http://dx.doi.org/10.1093/iat/18.1.361a.

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Abstract This study was conducted using treated leaves from a mature ‘Delicious’ orchard at the Tree Fruit Research & Extension Center in Wenatchee, Washington. The four treatments (Agri-Mek 0.15EC 11 g Al/acre; Agri-Mek 0.15EC llg Al/acre plus 0.25% Volck Supreme Oil; Agri-Mek 0.15EC llg Al/acre plus Sylgard; and an untreated check) were applied on 1 Jun. Treatments were applied with a handgun sprayer operated at 250 psi to the point of drip. Ten leaves were collected on each bioassay date. A 2-cm leaf disk was cut from each leaf and floated upside down in a jelly cup of water and celluco

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Gregorc, A., and M. I. Smodiš Škerl. "Combating Varroa destructor in Honeybee Colonies Using Flumethrin or Fluvalinate." Acta Veterinaria Brno 76, no. 2 (2007): 309–14. http://dx.doi.org/10.2754/avb200776020309.

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Mite mortality in two apiaries, one with 32 and the other with 15 honeybee (Apis mellifera carnica) colonies, was recorded prior to and after flumethrin or fluvalinate treatments and after a control, oxalic-acid application. During the 42- and 51-day pre-treatment periods, the average daily natural mite drop was 0.04 (± 0.04) and 2.82 (± 2.19), respectively, which represents 1.09% (± 1.06) and 3.84% (± 3.04) of the total number of mites found during the experiment. The flumethrin or fluvalinate applications resulted in an average mite mortality at the two apiaries of 214.46 (± 260.02) and 4,09

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Sioutas, Georgios, Alexandros Tsouknidas, Athanasios I. Gelasakis, et al. "In Vitro Acaricidal Activity of Silver Nanoparticles (AgNPs) against the Poultry Red Mite (Dermanyssus gallinae)." Pharmaceutics 15, no. 2 (2023): 659. http://dx.doi.org/10.3390/pharmaceutics15020659.

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Dermanyssus gallinae (PRM) is the most common blood-sucking ectoparasite in laying hens and is resistant against numerous acaricides. Silver nanoparticles (AgNPs) represent an innovative solution against PRM. The current study aimed to assess the in vitro acaricidal activity of AgNPs against PRM and describe their potential mechanism of action. Nanoparticles were produced using a wet chemistry approach. Mites were collected using AviVet traps from 18 poultry farms in Greece. Contact toxicity bioassays were carried out for 24 h with negative controls, 20, 40, 60, or 80 ppm AgNPs. Analysis of va

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Alhewairini, Saleh S. "EVALUATION OF THE SIDE EFFECTS OF OXAMYL AND HYMEXAZOL ON FIVE SPECIES OF SOIL-DWELLING PREDATORY MITES." Pakistan Journal of Agricultural Sciences 56, no. 02 (2022): 531–36. http://dx.doi.org/10.21162/pakjas/19.8345.

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Side effects of oxamyl and hymexazol on five species of soil-dwelling predatory mites, Lasioseius dentatus (Fox) (Acari: Ascidae), Androlaelaps casalis (Berlese) (Acari: Laelapidae), Rhodacarus roseus (Oudemans) (Acari: Rhodacaridae), Macrocheles muscaedomesticae (Scopoli) (Acari: Macrochelidae) and Cunaxa setirostris (Hermann) (Acari: Cunaxidae) were tested under stringent laboratory conditions. Both oxamyl and hymexazol were found to drastically kill all five predatory soil mites listed above at three different concentrations (half of the recommended dose (HRD), recommended dose (RD) and dou

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Magaro, J. J., and J. V. Edelson. "Response to Capture 2 EC, 1988." Insecticide and Acaricide Tests 14, no. 1 (1989): 380. http://dx.doi.org/10.1093/iat/14.1.380.

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Abstract Edelson & Magaro (1988; Response of spider mites to Capture, 1987, Insecticide & Acaricide Tests, Vol. 13, p. 265) indicated that the LC50 for Tetranychus spp. collected from cotton in south Texas during 1987 was 15.4 ppm. Two source populations of carmine spider mite were compared in the 1988 test. One population was collected from a commercial corn field near Mercedes, Tex., in July and the other was collected from a cotton field in Mercedes in August. The corn field had not been treated previously with pesticides. The cotton field had been treated 6 times with cypermethrin

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Monterrosa, Alejandra, Mathews L. Paret, Ronald Ochoa, Andrew Ulsamer, and Shimat V. Joseph. "Temporal Incidence of Eriophyid Mites on Rose Rosette Disease-Symptomatic and -Asymptomatic Roses in Central Georgia, USA." Pathogens 11, no. 2 (2022): 228. http://dx.doi.org/10.3390/pathogens11020228.

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Phyllocoptes fructiphilus Keifer (Acari: Eriophyidae) is the vector of rose rosette virus (RRV), which causes rose rosette disease (RRD) in North America. The RRD symptoms, such as witches’ broom, flower, and leaf deformation, disrupt the aesthetic appearance of plants and cause plant mortality. Because there is no cure for RRV, it is critical to manage the vector and reduce the spread of the virus. The information on the phenology of P. fructiphilus on rose plants is essential to develop management strategies and reduce its spread. Thus, the objectives of the study were to determine 1) the ph

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Ridsdill-Smith, T. J., and A. J. Annells. "Seasonal occurrence and abundance of redlegged earth mite Halotydeus destructor (Acari: Penthaleidae) in annual pastures of southwestern Australia." Bulletin of Entomological Research 87, no. 4 (1997): 413–23. http://dx.doi.org/10.1017/s0007485300037421.

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AbstractSeasonal occurrence and abundance of redlegged earth mite, Halotydeus destructor (Tucker), was measured by weekly sampling in grazed annual pastures near Keysbrook (1990–1992) and Narrogin (1991–1992) in southwestern Australia. Mites were active for 27 weeks from the late autumn (May) to mid-spring (October), completing three generations at approximately 8 week intervals. The summer is spent as diapause eggs in the cadavers of adult female mites. In 1991 and 1992, active H. destructor was on average twice as abundant at Keysbrook (mean 11,300 mites/m2), as at Narrogin (mean 6400 mites/

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Royce, L. A., and P. A. Rossignol. "Honey bee mortality due to tracheal mite parasitism." Parasitology 100, no. 1 (1990): 147–51. http://dx.doi.org/10.1017/s0031182000060236.

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SummaryWe demonstrate, by truncating the expected negative binomial distribution, that the tracheal mite parasite, Acarapis woodi, causes mortality in the Europen honey bee, Apis mellifera, but, that this mortality can be documented only during periods of low mite densities (mites per bee). At high mite densities, this technique no longer reveals mite-induced mortality. We suggest that this paradox results from a reduction in the mortality threshold at high mite densities, concealing mortality from our truncation procedures. Longitudinal comparisons of hive and forager bee cohorts, nevertheles

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Nunn, Francesca, Kathryn Bartley, Javier Palarea-Albaladejo, and Alasdair J. Nisbet. "The evaluation of feeding, mortality and oviposition of poultry red mite (Dermanyssus gallinae) on aging hens using a high welfare on-hen feeding device." F1000Research 9 (October 22, 2020): 1266. http://dx.doi.org/10.12688/f1000research.26398.1.

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A study was performed to examine any effect of hen age on the feeding ability and mortality of different life-stages of Dermanyssus gallinae [Poultry Red Mite (PRM)] when fed using a high welfare, on-hen mite feeding device. Mite feeding assays were carried out every two weeks on a cohort of five Lohman Brown hens with devices containing adult and deutonymph PRM or adult and protonymph PRM. Feeding rates and mortality of each PRM life stage and oviposition of adult female PRM were evaluated over an 18-week period. There was a significant reduction in oviposition rates of female PRM as they fed

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Kraabøl, Morten, Vegard Gundersen, Kirstin Fangel, and Kjetil Olstad. "The taxonomy, life cycle and pathology of Sarcoptes scabiei and Notoedres cati (Acarina, Sarcoptidae): A review in a Fennoscandian wildlife perspective." Fauna norvegica 35 (December 17, 2015): 21. http://dx.doi.org/10.5324/fn.v35i0.1652.

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Mites constitute an old cosmopolitan group, abundant in various terrestrial and aquatic habitats of considerable environmental variations. The majority of mites are free-living, whereas some have evolved parasitic relationships with a variety of animals either as endo- or ectoparasites. The ectoparasitic and skin burrowing <em>Sarcoptes scabiei</em> and <em>Notoedres cati</em>, cause sarcoptic and notoedric mange among a variety of mammalian species, including humans. In a non-adequate host these mites lead to pseudo-scabies which is often self-curable. The aim of this

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Edelson, J. V., and J. J. Magaro. "Response of Spider Mites to Capture, 1987." Insecticide and Acaricide Tests 13, no. 1 (1988): 265. http://dx.doi.org/10.1093/iat/13.1.265.

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Abstract Tetranychus spp. were collected from a cotton field that had been sprayed 8 times with cypermethrin at a rate of 0.06 lb (AI)/acre. Whole leaves with mites were taken to the laboratory. Serial dilutions of Capture 2EC were made using ethanol as a solvent. Dilutions were 0, 0.1, 1, 10, 100, 1000, and 10,000 ppm of Capture 2EC to ethanol. One ml of each dilution level was pipetted onto the bottom of a 50- × 90-mm Petri dish, and each treatment was replicated 5 times. The dishes were swirled to achieve an even distribution of the solution, and the excess material was poured off. Dishes w

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Bakr, Anar Abd Allah. "Feeding deterrent effects of legume flours against two storage mites, Tyrophagus putrescentiae (Schrank) and Suidasia medanensis Oudemans (Acari:Acaridida)." Systematic and Applied Acarology 23, no. 2 (2018): 380. http://dx.doi.org/10.11158/saa.23.2.13.

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Whole legume flour and its fractions possess a potential in controlling insect pests. Information concerning the activity of various legume flours as bioacaricides against storage mites is rare. Therefore, two kinds of legume flours were obtained from common faba bean (Vicia faba L.) and pea (Pisum sativum L.) seeds to evaluate their effects on growth and development time of two species of storage mites, Tyrophagus putrescentiae (Schrank) and Suidasia medanensis Oudemans via feeding test. The diet was dusted with legume flours at seven concentrations (0, 0.01, 0.1, 0.25, 0.5, 0.75 and 1%). Aft

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