Transcriptomic and Gene Expression Analysis of Chemosensory Genes from White Grubs of (Coleoptera: Scarabaeidae), a Subterranean Pest in South America.

Olfaction and gustation processes play key roles in the life cycle of insects, such as finding and accepting food sources, oviposition sites, and mates, among other fundamental aspects of insect development. In this context, chemosensory genes found in sensory organs (e.g.

Comparative transcriptomic analysis of chemoreceptors in two sympatric scarab beetles, Hylamorpha elegans and Brachysternus prasinus.

Chemoreception through odorant receptors (ORs), ionotropic receptors (IRs) and gustatory receptors (GRs) represents the functions of key proteins in the chemical ecology of insects. Recent studies have identified chemoreceptors in coleopterans, facilitating the evolutionary analysis of not only ORs but also IRs and GRs. Thus, Cerambycidae, Tenebrionidae and Curculionidae have received increased attention.

Positive Chemotaxis of the Entomopathogenic Nematode (Panagrolaimorpha: Steinenematidae) towards High-Bush Blueberry () Root Volatiles.

The foraging behavior of the infective juveniles (IJs) of entomopathogenic nematodes (EPNs) relies on host-derived compounds, but in a tri-trophic context, herbivore-induced root volatiles act as signals enhancing the biological control of insect pests by recruiting EPNs. In southern Chile, the EPN exhibits the potential to control the raspberry weevil, a key pest of blueberry . However, there is no information on the quality of the blueberry root volatile plume or the response to these chemicals as putative attractants.

Analysis of glutathione-S-transferases from larvae of (Lepidoptera, Pyralidae) with potential alkaloid detoxification function.

The greater wax moth, , is a global pest for beehives, doing damage in the larval stage. Although a significant number of studies have reported on larvae and adults, to date no effective pest control has been implemented. In this study, we tested larval resistance to alkaloids from , and the objective was to identify enzymes that participate in alkaloid detoxification through enzymatic assays, bioinformatics analysis and qRT-PCR.

A mutation increases the specificity to plant compounds in an insect chemosensory protein.

Host plant recognition are highly dependent on chemosensory perception, which involves chemosensory proteins (CSPs) that bind key chemical compounds the host plants. In this work, we hypothesize that two closely related aphid taxa, which differ in diet breadth, also differ in their CSPs. We detected a non-synonymous difference (lysine for asparagine) between M.