Comparative Antennal Morphology of (Coleoptera: Elateridae), with Special Reference to the Typology and Possible Functions of Sensilla

Overview

Journal Insects

Specialty Biology

Date 2020 Feb 27

PMID 32098184

Citations 8

Authors

Michel J Faucheux

Tamas Nemeth

Robin Kundrata

Affiliations

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Abstract

Species of the click-beetle genus Eschscholtz are economically important crop pests distributed mainly in the Northern Hemisphere. They can inflict considerable damage on various field crops. Therefore, the detection, monitoring, and control of include the adult trapping using species-specific sex pheromones, which is a critical component of pest research. To obtain a better understanding of the detailed antennal morphology as background information for subsequent chemical ecology research, we conducted a scanning electron microscopy study of the antennal sensilla of both sexes in 10 European species. We identified 16 different sensilla in , belonging to six main types: sensilla chaetica (subtypes C1 and C2), sensilla trichodea, sensilla basiconica (subtypes B1-B9), dome-shaped sensilla (subtypes D1 and D2), sensilla campaniformia, and Böhm sensilla. We discuss their possible functions and compare the sensilla of with those of other Elateridae in order to consolidate the sensillum nomenclature in this family. Additionally, our study reveals the remarkable interspecific variability in sensillar equipment of and identifies several characters of potential importance for future use in systematic studies. The present study provides a strong preliminary framework for subsequent research on the antennal morphology of this crop pest on a wider scale.

Citing Articles

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