Rhacognathus
Fieber, 1860
heather bug (R. punctatus)
Species Guides
1Rhacognathus is a of predatory stink bugs in the Pentatomidae, Asopinae. The genus includes four described distributed across the Holarctic: R. punctatus in Europe, R. americanus in North America (now possibly extinct), and R. callosus and R. corniger in Asia. Species in this genus are characterized by their distinctive body shape and predatory feeding habits on other insects.
Pronunciation
How to pronounce Rhacognathus: /rækoʊɡˈneɪθəs/
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Distribution
Europe (Denmark, Norway, Sweden, United Kingdom); North America (historically northeastern United States and Canada, with R. americanus now possibly extinct); Asia (China, with R. corniger described from Sichuan; broader distribution for R. callosus unspecified)
Human Relevance
Rhacognathus americanus has been the subject of conservation concern, with evidence suggesting local extirpation from southern Ontario and possible extinction across its North American range. The was historically recorded from Ohio, Indiana, Illinois, Michigan, New England, and Canada. Extensive direct and indirect sampling efforts have failed to document its recent occurrence, prompting calls for formal extinction assessment.