Hesperopenna bicolor group.

Body length 3.8 – 6.5 mm. Body completely orange or tibiae and tarsi or head black. Antennomere III about 1.3 – 1.5 times longer than anntenomere II. Pronotum 1.6 – 2.0 times as wide as long, covered with almost indistinct to fine dense punctures Aedeagus ventrally with long projection from basal part directed anteriorly (Fig. 69).

Species included. Hesperopenna bicolor (Kimoto, 1989) (comb. nov.), H. shinsakui nom. nov. (for Calomicrus bicolor Kimoto, 1989) and at least two undescribed species.