Hymenorus
comb-clawed beetle
Hymenorus is a of in the , Alleculinae. These were formerly classified in their own family, , but were recently reclassified as part of Tenebrionidae. They represent one of several groups of beetles that complicate the traditional '' stereotype, as they do not closely resemble the more familiar Eleodes- darkling beetles.
Pronunciation
How to pronounce Hymenorus: /haɪˈmɛn.ə.rəs spʌn kæˈlɪf/
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Identification
Hymenorus can be distinguished from 'classic' (such as Eleodes) by their overall , which does not match the typical darkling beetle form. Unlike many (), they possess bead-like rather than filament-like antennae. Their are concealed beneath the , not exposed and directed forward as in predatory ground beetles. As members of the Alleculinae, they have -like on their , a characteristic feature of this .
Images
Similar Taxa
- Eleodes (darkling beetles)Classic with which Hymenorus is often confused; Hymenorus lacks the , rounded body form and defensive -standing of Eleodes
- Carabidae (ground beetles)Predatory with exposed and filament-like that can be distinguished from Hymenorus by these characters
- Lagriinae (long-jointed beetles)Another former now placed in that also lacks classic appearance; distinguished by elongated body form and long
More Details
Taxonomic history
The Alleculinae (), including Hymenorus, were formerly treated as a separate before being subsumed into . This reclassification explains why some Hymenorus do not resemble typical .