Baconia fortis
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Ordo: Coleoptera
Familia: Histeridae
Genus: Baconia
Name
Baconia fortis Caterino & Tishechkin, 2013 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type locality
BRAZIL: Santa Catarina: Porto União [26.2810°S, 51.0276°W].
Type material
Holotype female: “BR-SC-Porto União, Swedish Match 3-methyl-1-butanol baited flight intercept trap, Populus deltoides stand,Flechtmann, C.A.H. col., 03/XI/1998” / “PRED8” / “Caterino/Tishechkin Exosternini Voucher EXO-00750” (UNESP).
Diagnostic description
Length: 2.8mm, width: 2.1mm; body narrowly elongate oval, parallel-sided, moderately depressed, most surfaces densely punctate and bearing extremely short, fine pubescence; rufopiceous throughout; frons with fine anterior transverse carina, depressed above and on epistoma below, punctation of frontal disk very dense, frontal stria apparent along eyes, obscured by punctures across middle; labrum about 4×wider than long, apical margin distinctly emarginate; mandibles with elongate apices and strong, acute median teeth; antennal scape rather elongate, curved, club small, basal two-thirds mostly glabrous; pronotal sides weakly arcuate in basal three-fourths, abruptly narrowed to apices, marginal stria complete along lateral and anterior margins, somewhat obscured by dense punctation; lateral submarginal pronotal stria present along sides, carinate, merging with marginal stria near anterior corner, pronotal disk depressed along submarginal stria, slightly more broadly depressed behind anterior corners; pronotal discal punctation dense throughout, becoming contiguously rugose at sides; elytra with two complete epipleural striae, outer and inner subhumeral striae nearly complete, dorsal striae 1–2 complete, 3rd and 4th striae present in basal half only, 5th stria barely represented by fine basal fragment, sutural stria complete, fragmented to apex, elytral punctation becoming subrugose in posterolateral corners; prosternum narrow basally, weakly convex, keel truncate at base, carinal striae united along basal margin, subparallel in basal third, diverging anterad; prosternal lobe about one-half keel length, apical margin truncate to weakly emarginate, strongly deflexed, marginal stria obscured by punctures; mesoventrite with anterior margin truncate, marginal stria complete, mesometaventral stria present at sides, but broadly obsolete across middle; lateral metaventral stria extending posterolaterad toward middle of metacoxa, outer lateral stria absent, metaventral disk with only relatively sparse ground punctation medially; abdominal ventrite 1 with single complete lateral stria, middle portion of disk punctate as metaventrite, and with coarser punctures along posterior margin; protibia with 3 prominent teeth, and few weaker basal denticles, outer margin uneven but not distinctly serrulate; mesotibia with four marginal spines; outer metatibial margin smooth; propygidium without basal stria, propygidium and pygidium with dense intermingled ground and secondary punctation; propygidial gland openings conspicuous, very close to basal corners. Male: not known.
Remarks
This species is unmistakeable in its elongate body form, non-metallic coloration, and unbiquitous dense punctation (Fig. 64G). It appears to be related to Baconia katieae (described below) sharing the finely carinate frontal ridge (Fig. 64H), very fine pubescence, general body form, strong mandibular teeth, and carinate lateral submarginal pronotal stria.
Etymology
This species name means ‘strong’ or ‘robust’, and refers primarily to its powerful mandibles.
Original Description
- Caterino, M; Tishechkin, A; 2013: A systematic revision of Baconia Lewis (Coleoptera, Histeridae, Exosternini) ZooKeys, 343: 1-297. doi
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