Length 6.2 mm.; width 1.9 mm. Form of vespertinus Fab. Head black; pronotum reddish-yellow with an oval median black spot, the spot attaining the apical and basal margins and occupying about three-eights of the pronotal area: scutellum black; elytra reddish-yellow, each elytron with a median blackish stripe; the stripe not quite attaining the base, including the third, fourth, fifth, and sixth intervals in its basal half, a little narrower apically except at apical fourth where it extends almost to the lateral margin, attaining the suture along its apical third; the sutural interval blackish in basal fourth; prothoracic flanks reddish-yellow; prosternum black, a transverse area just behind the lobe and the intercoxal process reddish-yellow ; metasternum and posterior coxae black, the median line of he former reddish-yellow; abdomen dark reddish-brown, the apical segment and margins paler; antennae, legs and palpi pale yellow; integuments highly polished throughout, clothed with inconspicuous yellow hairs.