Stenichnus Thomson 1859

Genus Stenichnus Thomson, 1859 Type Species. Scydmaenus exilis Erichson, 1837. Diagnosis. Eyes located posteriorly on the head; clypeal groove present (Figs. 1A, D); mandibles falciform with row of fine denticles but lacking mesal teeth; antennal club gradually thickening distally; pronotum approximately pentagonal with antebasal pits or a row of punctures, lacking lateral marginal carinae or edges (Figs. 1B, E; arrows); mesoventrite with setose lateral impressions and posterior lobes of mesocoxal projections, mesoventral intercoxal process narrow, projecting ventrally (Figs. 1C, F, arrows) (for more detailed characters see Jałoszyński 2013).