Comprehensive Description

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Description

 This species is extremely similar to Operclipygus sejunctus, differing only in a few characters as follows: length: 1.90–2.40 mm, width: 1.59–2.09 mm; body uniformly rufo-piceous; frons with frontal stria nearly complete, only very narrowly interrupted above antennal bases; supraorbital stria interrupted across vertex; pronotum with lateral submarginal stria complete, distance from margin slightly increasing toward front; elytra somewhat variable, generally as in Operclipygus juninensis, sutural stria frequently longer than in Operclipygus sejunctus, present on apical two-thirds to three-fourths; coarser elytral punctures densest at apex, but with few coarse punctures extending up the apical third of interstriae; sterna as in Operclipygus pecki and Operclipygus juninensis, mesoventral disk rarely with few coarse punctures at sides; metaventral disk with strong ground punctation, coarser punctures gradually becoming larger and denser toward metacoxae; secondary lateral metaventral stria generally very short; propygidium and pygidium as in Operclipygus sejunctus. Male genitalia (Fig. 20G): T8 relatively short, basal membrane attachment line just intersecting basal emargination in some specimens; S8 with halves approximate but separate throughout length; S9 with apical emargination very small or lacking, lateral flanges narrow; tegmen with sides more or less straight, widest about two-thirds from base, evenly narrowed to base, somewhat abruptly narrowing in apical third, with apices narrowly rounded, medioventral process narrow, acute, about one-third from base, weakly projecting beneath; median lobe about one-fourth tegmen length. 

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Creative Commons Attribution 3.0 (CC BY 3.0)

© Michael S. Caterino, Alexey K. Tishechkin

Source: ZooKeys

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