Equescollum Nascimento & Botero & Lezama 2019, gen. nov (original) (raw)

2019

Abstract

<i>Equescollum</i> gen. nov. <b>Type species:</b> <i>Oxycoleus birai</i> sp. nov., monotypy, present designation. <b>Etymology:</b> From Latin, Eques (= horseman) and Collum (= neck), referring to the narrative of how the specimen was collected by Bates (1885):"A single specimen of this species flew on to Mr. Champion's neck while he was travelling on horseback through the forest of Chorcha." Neuter gender. <b>Description:</b> Eyes finely faceted; distance between upper eye lobes at least twice largest width of one upper eye lobe; antennal tubercles slightly, gradually elevate from median grove; antennae 11-segmented, filiform, longer in male, scape with inner spiniform projection at apex. Prothorax bell-shaped. Pronotum tuberculate. Prosternal process laminiform; procoxal cavities closed behind. Elytra dehiscent, with lateral carina; humeri slightly projected, epipleura gradually reduced posteriorly; elytral apex acuminate. Metafemora and metatibiae with granulated surface, curved at base; femora pedunculate-clavate. Pro- and mesotarsomere I about as long as II+III; metatarsomere I slightly longer than II+III.

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