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Image of Lesteva (Lesteva) erythra Ma, Wen-Li & Li-Zhen Li 2012
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Lesteva (Lesteva) erythra Ma, Wen-Li & Li-Zhen Li 2012

Description

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Measurements and ratios: BL 2.8–3.5. Holotype: HL 0.54, HW 0.52, PL 0.56, PW 0.54, EL 1.24, EW 1.17, HL/HW 1.04, HW/PW 0.93, PL/PW 1.04. Habitus as in Fig. 2. Black, elytra usually paler, darkish brown, suture and lateral margins reddish; mouth-parts fuscous brown; antennae and legs reddish brown, except for apex of femora and large part of tibia which are infuscate; each elytron with one small round orange-yellow spot near middle. Pubescence pale, evident and recumbent on whole body. Head subtriangular, widest across eyes and slightly broader across compound eyes than long, densely and coarsely punctate, vertex moderately depressed; eyes prominent; ocelli distinct, distance between them equal to that from lateral margin of each ocellus to mesal margin of eye; postocular margins less than half length of longitudinal diameter of eye; antennae elongate, extending beyond posterior margin of pronotum by three segments when pulled posteriad, antennomeres I moderately robust, antennomere II much shorter and narrower than I, antennomeres III–XI gradually thickened; relative length of each antennomere from base to apex as 9 : 5.5 : 6 : 5.5 : 6 : 6 : 5 : 5.5 : 5.5 : 5 : 10. Pronotum subcordate, slightly convex, widest near anterior third, slightly wider than head; lateral margins arcuate at anterior two-thirds and nearly straight at posterior third; more coarsely and densely punctate than on head, with slightly deep U-shaped depression on disc. Scutellum subtriangular, scattered with fine punctation and pubescence. Elytra subtrapezoidal and rather flat, gradually dilated posteriorly, posterior angles broadly rounded, coarsely and sparsely punctate, covered with fine pubescence as on pronotum. Abdomen broad, widest at segment IV (first visible abdominal segment), then distinctly narrowed posteriorly. Tergites with dense, fine punctation and decumbent pubescence; tergites IV–V each with one pair of tomentose admesal patches. Male. Sternite VIII transverse, with apical margin distinctly emarginate. Aedeagus (Figs 6–8) length 0.50 mm; median lobe moderately broad, gradually narrowed apically; parameres slightly asymmetrical, subequal in length as median lobe, with four short apical setae. Female. Protarsomeres I–IV not dilated. Otherwise similar to male.
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Wen-Li Ma, Li-Zhen Li, Mei-Jun Zhao
bibliographic citation
Ma W, Li L, Zhao M (2012) Two new Lesteva Latreille (Coleoptera, Staphylinidae, Omaliinae) from Longwangshan Mountain, East China ZooKeys 194: 33–40
author
Wen-Li Ma
author
Li-Zhen Li
author
Mei-Jun Zhao
original
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Distribution

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East China: Zhejiang Province.
license
cc-by-3.0
copyright
Wen-Li Ma, Li-Zhen Li, Mei-Jun Zhao
bibliographic citation
Ma W, Li L, Zhao M (2012) Two new Lesteva Latreille (Coleoptera, Staphylinidae, Omaliinae) from Longwangshan Mountain, East China ZooKeys 194: 33–40
author
Wen-Li Ma
author
Li-Zhen Li
author
Mei-Jun Zhao
original
visit source
partner site
Zookeys