Phytophagous Mites — Little Known Hosts of Entomopathogenic Fungi
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New hosts and parasitism notes for the mite Leptus (Acari: Erythraeidae) in fragments of the Atlantic Forest, Brazil.
New hosts and parasitism notes for the mite Leptus (Acari: Erythraeidae) in Brazil. Larval erythraeid mites are common ectoparasites of harvestmen (Opiliones). Studies describing insects as potential hosts have received little attention. Specimens of an undescribed species of the genus Leptus were collected in association with predatory and phytophagous Heteroptera bugs in a secondary forest in...
متن کاملNatural enemies of the Coccinellidae: Parasites, pathogens, and parasitoids
1049-9644/$ see front matter Published by Elsevier doi:10.1016/j.biocontrol.2009.05.008 * Corresponding author. Address: Biological Cont National Biological Control Laboratory, USDA-ARS, Mi Lee Road, Stoneville, MS 38776, USA. Fax: +1 662 312 We review aspects of the life histories of representative enemies of coccinellids (both entomophagous and phytophagous species) and expose both potential ...
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For phytophagous arthropods, host acceptance behavior is a key character responsible for host plant specialization. The grain rust mite, Abacarus hystrix (Nalepa), is an obligately phytophagous, polyphagous eriophyid mite recorded from at least 70 grass species. In this study, the hypothesis that two host populations of this mite (one collected from quackgrass and the other from ryegrass) are h...
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We examined induction of preference and performance on novel host plants for two laboratory populations of the polyphagous spider mite Tetranychus urticae, with one population adapted to bean and the other population adapted to tomato. We bred four isofemale lines of the bean population only and used them in all the assays. The bean population had a 30% lower fecundity on tomato than on bean, w...
متن کاملInteractions between Fungal Pathogens and Insect Hosts
Fungal diseases in insects are common and widespread and often decimate insect populations in spectacular epizootics. Virtually all insect orders are susceptible to fungal diseases. Fungi infect insects by breaching the host cuticle; they are the principal pathogens among sucking insects because these hosts cannot ingest other pathogens that infect through the gut wall. Fungi are also particula...
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تاریخ انتشار 2004