Negastrius atrosus
Wells, 1996
Negastrius atrosus is a click beetle described by Wells in 1996. It belongs to the Negastrius, a group of small elaterids commonly known as half-click beetles. The species is documented from eastern Canada, with records from New Brunswick, Ontario, and Quebec.

Pronunciation
How to pronounce Negastrius atrosus: /nɛˈɡæstriəs əˈtroʊsəs/
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Distribution
Eastern Canada: New Brunswick, Ontario, and Quebec.
More Details
Taxonomic note
The was described by Wells in 1996, indicating it is a relatively recently described within the Negastrius.