Front-range
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Anthracopteryx hiemalis
Anthracopteryx hiemalis is a small click beetle (family Elateridae) and the sole species in its monotypic genus. It is notable for winter activity, a rare trait among click beetles. The species has an extremely restricted endemic range in the Front Range of Colorado, USA, spanning from Laramie south to Westcliffe. As of 2017, it was documented in only two observations on iNaturalist and had no prior photographic records on BugGuide.net, indicating it is among the most poorly documented North American elaterids.