Helops fresnoensis
Blaisdell, 1931
Helops fresnoensis is a darkling beetle in the Tenebrionidae, described by Blaisdell in 1931. The epithet indicates a type locality in Fresno, California. As a member of the Helops, it belongs to a group of darkling beetles that can be distinguished from ground beetles by concealed and bead-like segments, though some Helops species have antennae that approach the condition seen in Carabidae.
Pronunciation
How to pronounce Helops fresnoensis: /ˈhɛlɒps frɛsˈnoʊɛnsɪs/
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Identification
Helops fresnoensis can be distinguished from ground beetles (Carabidae) by its concealed hidden beneath the rather than exposed and directed forward. While most darkling beetles have distinctly bead-like segments, Helops including H. fresnoensis have antennae with segments longer than wide, approaching a appearance similar to ground beetles—making mandible visibility the more reliable character. The species lacks the -standing defensive characteristic of Eleodes and related .
Distribution
Known from Fresno, California, based on the epithet. The Helops occurs in western North America, particularly in arid and semi-arid regions.
Similar Taxa
- Helops pernitensConvergent structure with -like segments; both require examination of concealment to distinguish from ground beetles
- Carabidae (ground beetles)Similar and general body form; distinguished by exposed forward-directed and typically rapid running