Eurygeniinae LeConte 1862

The updated key to the Eurygeniinae tribes This key is simplified and adapted from Abdullah (1969) since the morphology of Mitraelabrini has not been comprehensively studied. 1 Pronotum without anterior flange but with narrow anterior rim dorsally and ventrally; galea very elongate, narrow, ‘tail’- shaped, nearly length of head portion anterior to compound eyes, densely microscopically setose; mandible apex unidentate, acute (not scooped or bidentate); inner margin of male pro- and mesotibia regularly microscopically serrate in distal half................................................................................ Mitraelabrini Abdullah, 1969 ‒ Pronotum with anterior dorsal flange present, extending anteriad to fully or partially conceal cranial ‘neck’; galea not elongate or narrow; mandible apex emarginate and excavate (scoop-like) on mesal margin; inner margin of male pro- and mesotibia smooth, irregularly tuberculate or spinose, not regularly serrate............................... Eurygeniini sensu novo