Comprehensive Description

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 Length: 1.87–2.22 mm, width: 1.56–1.84 mm; body rufescent, ovoid, with outline interrupted at elytral-pronotal corner, prothorax distinctly narrower and more parallel-sided than posterior portion of body; head large, with labrum especially broad, emarginate at apex; frons depressed at middle, frequently with rudimentary fine microsculpture in depression, with sides of frontal stria rounded, variably interrupted at middle; pronotum with lateral margins sinuate near base, subparallel to apex, curving inward near apex, sometimes abruptly so, with discal ground punctation rather conspicuous, especially toward sides, with ~12 coarser punctures at sides; lateral marginal pronotal stria not descending to hypomeron, but frequently effaced for short distance at middle; lateral submarginal pronotal stria complete, close to side, barely curved inward at front; anterior submarginal pronotal stria recurved almost directly posterad at sides, for about one-fifth pronotal length; elytra with outer subhumeral stria present in apical half or less, inner subhumeral stria absent, striae 1-4 complete, 5th stria present in apical third, sutural stria present in apical half; venter with faint microsculpture on prosternum, mesoventrite, and anterolateral corners of metaventrite; prosternum, mesoventrite, and anterior half of metaventrite depressed, posterior half of metaventrite weakly convex; prosternal keel weakly emarginate at base, carinal striae complete, rather widely separated to near apex; prosternal lobe with weak swelling at center of base; mesoventrite very weakly projecting at middle, marginal stria complete to narrowly interrupted; mesometaventral stria strongly arched forward to near mesoventral margin; lateral metaventral stria extending toward middle of metacoxa; 1st abdominal ventrite with two strongly abbreviated lateral striae; propygidium and pygidium both with conspicuous transverse microsculpture; propygidium with small punctures separated by 3–4× their diameters; pygidium with fine ground punctation conspicuous, but few coarser punctures; fine apical marginal stria present only in apical half. Male genitalia essentially indistinguishable from those of Operclipygus rufescens (see Figs 57A–D, L). 


Creative Commons Attribution 3.0 (CC BY 3.0)

© Michael S. Caterino, Alexey K. Tishechkin

Source: ZooKeys

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