Comprehensive Description

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 Length: [not measured, ~2.3mm], width: [not measured, ~1.5mm]; body elongate oval, weakly depressed, glabrous; dorsum metallic, nonuniformly in lectotype, with head, pronotum and pygidia metallic blue, elytra contrastingly bronzy-violet, venter rufobrunneus to faintly metallic; frons elevated over antennal bases, rather strongly depressed along antero-posterior midline, ground punctation rather conspicuous, with moderately large secondary punctures within frontal depression, frontal stria present along inner margin of eye, complete across front; antennal scape short, club rounded; epistoma slightly convex along apical margin, truncate to weakly emarginate; labrum about 3×wider than long, weakly emarginate along apical margin; pronotal sides rather strongly convergently arcuate to apex, depressed in anterior corners, marginal stria complete along lateral and anterior margins, lateral submarginal stria absent, ground punctation of pronotal disk rather conspicuous, interspersed with small secondary punctures across front and toward sides; elytra with three complete epipleural striae, outer subhumeral stria absent, inner subhumeral stria present at base, dorsal striae 1–4 complete, 5th stria absent, sutural stria more or less complete, elytral disk with very few coarse punctures in apical fifth; prosternum rather narrow, weakly convex, keel shallowly emarginate at base, carinal striae complete, divergent anterad and posterad, separate throughout; prosternal lobe about one-half keel length, apical margin bluntly rounded, marginal stria nearly complete; mesoventrite produced at middle, marginal stria complete, mesometaventral stria complete, transverse, finely crenulate, meeting lateral metaventral stria, which curves posterolaterad toward middle of metacoxa, outer lateral metaventral stria short, oblique, metaventral disk impunctate at middle; abdominal ventrite 1 with single lateral stria, slightly abbreviated apically, middle portion of disk impunctate; protibia 4 dentate, basal denticle weak, outer margin serrulate between teeth; mesotibia with two marginal spines; outer metatibial margin smooth; propygidium without basal stria, discal punctures rather small, ocellate, denser in basal two-thirds; propygidial gland openings inconspicuous; pygidium with ground punctation interspersed with small secondary punctures throughout, denser basad. Male genitalia: not known. 


Creative Commons Attribution 3.0 (CC BY 3.0)

© Michael S. Caterino, Alexey K. Tishechkin

Source: ZooKeys

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