Operclipygus crenulatus Caterino & Tishechkin 2013

This species is similar in most characters to the preceding two, differing as follows: length: 1.72 mm, width: 1.44 mm; body rufescent, with sides rounded, not particularly elongate, finely punctate, lacking coarse punctures on pronotum and elytra; pronotal sides moderately convergent in basal two-thirds, curving inward to anterior corners; central portion of anterior marginal stria strongly crenulate, marginal bead not markedly elevated; elytral striae not so broadly impressed, with only a single epipleural stria, inner subhumeral stria completely absent, 5th stria obsolete in basal third, sutural stria obsolete in basal fourth, other striae complete; apical marginal elytral stria absent; prosternal keel more distinctly rounded at base, with fine, complete carinal striae remaining separate to presternal suture; marginal stria of prosternal lobe present, interrupted at middle by median ridge; mesoventrite emarginate in front, with fine, complete marginal stria; mesometaventral stria weakly and narrowly arched forward at middle, central arch isolated from lateral metaventral striae, which are fine, continuous with recurrent stria; propygidium with sparse coarse punctures separated by slightly more than their diameters; pygidial punctures finer, uniform; apical marginal stria of pygidium complete; apical tarsomeres more or less cylindrical, not expanded or laterally flattened; pretarsal claws longer, divergent.