IUCN threat status:

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Comprehensive Description

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Description

 Length: 1.90 mm, width: 1.59 mm; body rufo-piceous, elongate oval, prolonged anteriorly, depressed, coarsely punctate over most of pronotum, less strongly so on elytra; head deeply recessed into prothorax at rest, frons broad, punctate, frontal striae straight, divergent between eyes, with central portion transverse, complete; epistoma weakly depressed, apical margin shallowly emarginate; labrum two-thirds as long as wide, apical margin outwardly rounded; mandibles strong, left with small basal tooth, right with stronger one; prothorax with sides convergent, straight in basal two-thirds, abruptly narrowed, sinuate in apical third; lateral marginal pronotal stria present along side, ending freely in a small inward hook in anterior corner; lateral submarginal stria close to marginal, strongly impressed along inner edge, bent inward and continuous with anterior marginal stria across front, marginal bead broad and slightly elevated; pronotal disk strongly punctate throughout, punctures becoming smaller and sparser anterad, lacking plicae or prescutellar impression; median pronotal gland openings difficult to discern among punctures but present, simple, about head-width apart, nearly one-fourth pronotal length behind anterior margin; elytra with two complete epipleural striae, with all dorsal striae elevated, sides of each stria subcarinate with relatively broad, flat inner depression; all striae complete except inner subhumeral, barely abbreviated at apex; elytral disk with numerous small punctures in elytral intervals; prosternal keel trunctate posteriorly, narrowing strongly toward presternal suture, carinal striae fragmented to absent; lateral prosternal striae curving inward toward front; prosternal lobe with strong median ridge continuous with prosternal keel, apical marginal stria interrupted at middle where ridge reaches edge; mesoventrite shallowly emarginate at middle, marginal stria interrupted at middle by strongly arched meso-metaventral stria; postmesocoxal stria arched to mesepimeron, lateral metaventral stria extending nearly to metacoxa, meeting recurrent stria, which extends anterad to meet anterior part of metepisternum; meso- and metaventral disks, as well as 1st abdominal ventrite with numerous punctures separated by about their widths; 1st abdominal ventrite with two complete lateral striae; protibiae very strongly toothed, each tooth with a long spine; all tarsi with apical tarsomere expanded, laterally flattened, pretarsal claws small, straight, parallel, approximate, extending from ventral corner of tarsomere (rather than apex); propygidium transverse, about half length of pygidium along midline, with intermixed punctures of various sizes, gland openings present in anterolateral corners, small; pygidium with uniform small punctures throughout, lacking apical marginal stria. Male not known. 

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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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