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Effects of host-egg ages on host selection and suitability of four Chinese Trichogramma species, egg parasitoids of the rice striped stem borer, Chilo suppressalis
The results indicated that the differently aged eggs of C. suppressalis were all accepted by T. japonicum, T. dendrolimi and T. chilonis, and there was a clear tendency to parasitize older eggs less under no-choice and choice conditions.
Fine Structure and Distribution of Antennal Sensilla of Longicorn Beetles Leptura arcuata and Leptura aethiops (Coleoptera: Cerambycidae)
Based on the ultrastructure it is postulated that this type of sensillum on the male beetle's antennae should be responsible for the reception of the sex pheromone produced by the female beetle.
Identification and Comparison of Candidate Olfactory Genes in the Olfactory and Non-Olfactory Organs of Elm Pest Ambrostoma quadriimpressum (Coleoptera: Chrysomelidae) Based on Transcriptome Analysis
Encoding trends that were male specific were observed for most candidate olfactory genes, which supported the existence of a female-produced sex pheromone in A. quadriimpressum and could provide valuable information and guidance for future functional studies on these genes.
Application of Rough Set Analysis in Species and Caste Discrimination of Bumblebees (Hymenoptera: Apidae: Bombus) Based on Antennal Sensilla
This study provides a mathematic reference for the function research of antennal sensilla of Bombus determined by single-cell recording at both peripheral and antennals lobe (central nervous system) levels.
Regurgitant Derived From the Tea Geometrid Ectropis obliqua Suppresses Wound-Induced Polyphenol Oxidases Activity in Tea Plants
It is suggested that PPOs are an important anti-herbivore factor in tea plants, defending them against E. obliqua larvae, and that the larvae have evolved to elude the tea plant’s defense by inhibiting the production of P POs.
Impacts of grazing intensity and increased precipitation on a grasshopper assemblage (Orthoptera: Acrididae) in a meadow steppe
A large number of studies have examined how grazing by large herbivores and precipitation patterns individually influence the dynamics of grassland grasshopper assemblages, but their combined effects are largely unknown.
Scanning Electron Microscope Observations on the Antennal Sensilla of Two Stored Grain Pests Trogoderma granarium and Trogoderma variabile (Coleoptera: Dermestidae)
An improved understanding of the morphology of the antennae in these 2 species is provided and can help to distinguish them clearly and will support investigations into adaptions of these Trogoderma species to storage environments.
The study on antennal sensilla of eight Acrididae species (Orthoptera: Acridoidea) in Northeast China
The types, numbers and distributions of antennal sensilla were studied in both male and female adults of eight Acrididae species in Northeast China using scanning electron microscope (SEM). Totally,
The study of proventricular micromorphological characterization of ten Grylloidea species (Orthoptera: Grylloidea) from China
The present study compares the proventricular morphology, analyzed under optic microscope and scanning electron microscopy (SEM), among ten Grylloidea species and revealed that the size of proventriculus was of critical value and had significance for taxonomy and species relationships.
A comparative study of the proventricular structure in twenty Chinese Tettigoniidae (Orthoptera) species
The length of each part of the alimentary canal and the inner structure of proventriculus were highly associated with feeding habits of Tettigoniidae species, whereas herbivorous species always had a longer foregut and a highly sclerotized proventriculi.