Interactions between an injected polydnavirus and per os baculovirus in gypsy moth larvae

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Interactions between an injected polydnavirus and per os baculovirus in gypsy moth larvae.

Larval gypsy moths, Lymantria dispar (Lepidoptera:Lymantriidae) were co-infected with the L. dispar nucleopolyhedrovirus (LdMNPV) and the Cotesia melanoscela (Hymenoptera:Braconidae) polydnavirus (CmeBV). CmeBV was given along with a parasitoid egg and calyx products in a stinging event, or in the form of an injection of calyx-derived extract. LdMNPV was delivered per os, integrated into artifi...

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Entomopathogenic Hyphomycetes Associated with Gypsy Moth Larvae

Gypsy moth, Lymantria dispar, populations were sampled in four eastern North American states during 1991 and 1992 to evaluate levels of hyphomycete infection in association with releases of the Asian gypsy moth pathogen Entomophaga maimaiga. Paecilomyces farinosus was the most abundant hyphomycete species, occurring at the majority of sites, although levels of infection averaged only 4.6% (1991...

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The Host Specificities of Baculovirus per os Infectivity Factors

Baculoviruses are insect-specific pathogens with a generally narrow host ranges. Successful primary infection is initiated by the proper interaction of at least 8 conserved per os infectivity factors (PIFs) with the host's midgut cells, a process that remains largely a mystery. In this study, we investigated the host specificities of the four core components of the PIF complex, P74, PIF1, PIF2 ...

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Neurophysiological and Behavioral Responses of Gypsy Moth Larvae to Insect Repellents: DEET, IR3535, and Picaridin

The interactions between insect repellents and the olfactory system have been widely studied, however relatively little is known about the effects of repellents on the gustatory system of insects. In this study, we show that the gustatory receptor neuron (GRN) located in the medial styloconic sensilla on the maxillary palps of gypsy moth larvae, and known to be sensitive to feeding deterrents, ...

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Aminopeptidase-Like Activity in Hemolymph Plasma from Larvae of the Gypsy Moth, Lymantria dispar (Lepidoptera: Lymantriidae)

Aminopeptidase was isolated from the plasma fraction of hemolymph from last instar larvae of the gypsy moth Lymantria dispar. Activity was detected using the synthetic substrate L-alanine-4-nitroanilide. Total aminopeptidase activity per microliter of plasma varied with developmental stage. Activity was detected throughout the last (fifth) larval instar and increased throughout the pupal stage....

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ژورنال

عنوان ژورنال: Journal of Invertebrate Pathology

سال: 2013

ISSN: 0022-2011

DOI: 10.1016/j.jip.2013.07.009