The parvus group

Diagnosis. Body length 3.6–4.7 mm. Apex of left mandible acute. Microsculpture on disc of pronotum and elytra transverse. Pronotal base usually more or less deeply emarginate; basal angles obtuse or almost right, sharp or rounded at tip, not or only slightly projecting posteriorly and at most only slightly covering elytral base. Elytral striae distinct, slightly impressed along entire length. Female genitalia relatively small, with almost symmetrical laterotergite and with apical stylomere narrow or markedly widened basally. Median lobe of aedeagus stout, with relatively large basal bulb.