Comprehensive Description

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Description

 This species is extremely similar to Operclipygus andinus, differing mainly in the following characters: length: 1.40–1.47 mm, width: 1.03–1.06 mm; frons always with central portion of frontal stria present, detached from sides; pronotal disk with fragments of lateral submarginal stria usually present in anterior corners; anterior submarginal stria recurved, interrupted at median pronotal gland openings, but continued posterolaterad beyond to near pronotal midpoint; pronotal disk finely punctulate throughout, with few coarser lateral punctures posterolaterad apices of recurved anterior submarginal stria; prosternal striae more or less complete, nearly reaching presternal suture, subparallel in anterior half, joined in anterior arch; propygidial punctures moderate in size, round, denser in middle two-thirds of disk than at sides; pygidium with ground punctation fine, dense, though rather shallow; with coarser punctures concentrated along the anterior margin, with few additional coarse punctures mostly restricted to basal third of disk; marginal pygidial sulcus appearing as a connected series of deep, coarse punctures. Male genitalia (Figs 32A–C) as for group description, with the apices of S8 narrowed, but broadly subtruncate, bearing 4 or 5 long apical setae, with linear submarginal sclerotization along upper, apical margins; T9 with apices narrowed, bluntly triangular; T10 not divided; S9 narrow, with base only slightly widened, weakly rounded, with shallow apical emargination; tegmen with sides widening strongly toward apex, narrowed to broadly rounded apex. 

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© Michael S. Caterino, Alexey K. Tishechkin

Source: ZooKeys

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