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The elytra of this cockchafer beetle are readily distinguished from the transparent hindwings.. An elytron (/ ˈ ɛ l ɪ t r ɒ n /; from Ancient Greek ἔλυτρον (élutron) 'sheath, cover'; pl.: elytra, / ˈ ɛ l ɪ t r ə /) [1] [2] is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs such as the family Schizopteridae are extremely similar; in true ...
The beetle is about 9–12 mm in length with a dark brown head and pronotum. The elytra (wing coverings or hardened for wings) are dark brown with some tinges of velvet black and moderately wide, pale yellow markings on the outer sides of the elytra. [5] [6] The elytra also have dark areas and are “densely covered with minute green punctures ...
The adult D. hercules beetles are capable of creating a 'huffing' sound, generated by stridulating their abdomen against their elytra to serve as a warning to predators. [ 11 ] [ 16 ] Like most insects, communication within the species is a mix of chemoreception , sight, and mechanical perception.