Sexually Reversed Copulatory Courtship Roles and Possible Nuptial Feeding in the Soldier Beetle Ditemnus acantholabus (Champion 1915) (Coleoptera: Cantharidae)

William G. Eberhard

doi:10.2317/0501.20.1

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1 January 2006 Sexually Reversed Copulatory Courtship Roles and Possible Nuptial Feeding in the Soldier Beetle Ditemnus acantholabus (Champion 1915) (Coleoptera: Cantharidae)

William G. Eberhard

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J. of the Kansas Entomological Society, 79(1):13-22 (2006). https://doi.org/10.2317/0501.20.1

Abstract

Male courtship during copulation is common in insects and spiders, and presumably serves to induce the female to fertilize her eggs with the male's sperm. Fragmentary observations indicate that in Ditemnus acantholobus, typical male and female roles are reversed. The female courts vigorously and persistently during copulation while keeping one portion of the male's highly modified pronotum inside her buccal cavity. I propose that female copulatory courtship in this species functions to induce the male to provide material from his pronotum for the female to ingest, and that the species-specific modifications of the male pronotum are courtship devices.

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William G. Eberhard "Sexually Reversed Copulatory Courtship Roles and Possible Nuptial Feeding in the Soldier Beetle Ditemnus acantholabus (Champion 1915) (Coleoptera: Cantharidae)," Journal of the Kansas Entomological Society 79(1), 13-22, (1 January 2006). https://doi.org/10.2317/0501.20.1

Accepted: 1 May 2005; Published: 1 January 2006

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