dcsimg

Description

provided by Zookeys
Length: 1.8–1.9mm, width: 1.3–1.4mm; body elongate oval, weakly convex, glabrous; color rufobrunneus; head with frons flat, wide, ground punctation fine, secondary punctures sparse with coarser punctures dorsad, frontal stria present only along inner margin of eye, obsolete across middle, supraorbital stria present; antennal scape short, club nearly circular; epistoma straight to faintly emarginate apically; labrum about 4×wider than long, weakly emarginate apically; both mandibles with strong, acute basal tooth; pronotum with sides weakly convergent, rounded to apex, lateral marginal stria descending to ventral edge in posterior half, continuous anteriorly with complete anterior marginal stria, lateral submarginal stria present in basal four-fifths, pronotal disk weakly depressed in anterolateral corners, with fine ground punctation, conspicuous secondary punctures interspersed at sides, becoming larger (though very shallow) toward prescutellar area; elytra with two complete epipleural striae, outer subhumeral stria absent, inner present in basal one-fifth or less, dorsal striae 1–4 complete to base, vaguely abbreviated apically, 4th stria arched to sutural in front, recurved slightly posterad along extreme anterior part of suture, stria 5 slightly abbreviated at base and apex, curving inward at front, sutural stria present in middle one-half, abbreviated at base and apex, elytral disk with scattered secondary punctures in apical one-fourth; prosternum moderately broad, keel weakly emarginate at base, with carinal striae complete, subparallel; prosternal lobe about two-thirds keel length, apical margin bluntly rounded, with marginal stria present only at middle; mesoventrite weakly produced at middle, with marginal stria complete; mesometaventral stria transverse, continuous laterally with inner lateral metaventral stria which extends straight posterad to inner corner of metacoxa, recurved mediad at apex, outer lateral metaventral stria present, parallel to inner stria, complete; metaventral disk coarsely punctate at sides, impunctate at middle; abdominal ventrite 1 with single, abbreviated lateral stria, small fragment of outer stria may be present, disk with few coarse secondary punctures along anterior margin, ventrites 2–5 with sparse punctures at sides, impunctate at middle; protibia tridentate, the middle tooth weak, closer to apical than basal, outer margin serrulate between teeth; mesotibia with two very weak marginal spines; outer metatibial margin smooth, edentate; propygidium lacking basal stria, with sparse, fine ground punctation, with moderately coarser secondary punctures evenly interspersed, propygidial gland openings narrow, obliquely elongate, located about one-third behind anterior margin, about one-fourth width from each lateral margin; pygidium with sparse ground punctation and slightly coarser, secondary punctation. Male: not known.
license
cc-by-3.0
copyright
Michael S. Caterino, Alexey K. Tishechkin
bibliographic citation
Caterino M, Tishechkin A (2013) A systematic revision of Baconia Lewis (Coleoptera, Histeridae, Exosternini) ZooKeys 343: 1–297
author
Michael S. Caterino
author
Alexey K. Tishechkin
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