Rhagonycha mandibularis
(Kirby, 1837)
Bigjaw Soldier Beetle
Rhagonycha mandibularis is a of in the , commonly known as the Bigjaw Soldier Beetle. It is distributed across North America, with records from Canada (Alberta, British Columbia, and Labrador) and the United States. The species is characterized by notably enlarged , particularly in males, which give rise to its . As with other cantharids, are likely active on flowers and vegetation during the warmer months.
Pronunciation
How to pronounce Rhagonycha mandibularis: //ræˈɡɒnɪkə ˌmændɪˈbjʊlərɪs//
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Identification
Distinguished from other Rhagonycha by the enlarged, prominent , especially pronounced in males. The specific epithet "mandibularis" directly references this feature. in this typically have soft, flexible and a somewhat flattened body form.
Distribution
North America, including Canadian provinces of Alberta, British Columbia, and Labrador. Records indicate presence across a broad latitudinal range in western and eastern North America.
Similar Taxa
- Rhagonycha fulvaCommon European with similar body form but lacks enlarged and has more uniformly orange coloration
- Rhagonycha mollisNorth with overlapping distribution; distinguished by size and body proportions