Dirrhagofarsus Fleutiaux, 1935

Seung, Jinbae, Muona, Jyrki & Lee, Seunghwan, 2018, Taxonomic review of the genus Dirrhagofarsus in Korea (Coleoptera, Eucnemidae), ZooKeys 781, pp. 97-108 : 97

Genus Dirrhagofarsus Fleutiaux, 1935

Dirrhagofarsus Fleutiaux, 1935: 15. Type species: Microrhagus lewisi Fleutiaux, 1900.

Diagnosis.

Head: vertex with transverse row of dense vestiture; frons with a pair of longitudinal carinae near compound eyes; antennae subfiliform to serrate; antennomere II shorter than IV. Prothorax: pronotum parallel-sided, about as long as wide; lateral carina divided into anterior and posterior parts; antennal grooves notosternal, parallel-sided, with lateral marginal carina. Pterothorax: elytra with strongly convex apices in lateral view; mesepimeron fused with mesepisternum; metepisternum narrow, subparallel-sided, 7-9 × longer than wide; metacoxal plate strongly expanded medially. Leg: tibiae and tarsi slender; metatarsomere I 1.5 × longer than II–IV combined; tarsal claws simple. Abdomen: ventrites connate, ventrite V sinuate and acute in ventral profile. Aedeagus: dorsoventrally compressed; median lobe bifurcate at apex; lateral lobes not fused with ventral plate, slender, narrowing apically ( Fleutiaux 1935; Muona 2000, 2011; Otto et al. 2014).