Bolitogyrus nigropolitus
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Bolitogyrus
Name
Bolitogyrus nigropolitus Smetana, 2000 – Wikispecies link – Pensoft Profile
- Bolitogyrus nigropolitus Smetana, 2000: 327.
- Bolitogyrus nigropolitus: Cai et al. 2015[1].
Type locality
Jianjin Shan, Tianquan County, Sichuan, China.
Type material
Bolitogyrus nigropolitus Smetana, 2000.
Holotype (♂, cSch). CHINA: W-Sichuan, 1999, Ya’an Prefecture, Tianquan Co., Jiajin Shan, Tal oberh., Labahe N.R. St., 57 km W Ya’an, 30°06'N 102°25E, Streu, Rinde, Pilze, 1800 m, 12.VII., leg. M. Schülke [printed] / Sammlung M. Schulke Berlin [green label] / HOLOTYPE Bolitogyrus nigropolitus, A. Smetana, 2000 [red label] / AJB0000455 [identifier label].
Other material
CHINA: Sichuan: Baoxing County, Pujigou, 2100 m, 30.6032 102.5627, 14.VIII.2003, J. Wu, 1 ♂, AJB0000456 (IZCAS); same except Fengtongzhai, 1730 m, 30.592 102.879, 30.VI.2003, H. Zhou, 1 ♀, AJB0000457 (IZCAS).
Diagnosis
Among the members of the Electus Group: head punctures clearly separated (Fig. 8E); elytra non-metallic; hind tibia with at least distal half distinctly lighter than apex of femur (Fig. 8G); median lobe in lateral view with large expansion (Fig. 8P, arrow); paramere distinctly shorter than median lobe, distinctly dilated in apical third (Fig. 8Q); peg setae absent from narrow median area of paramere, pair of median clusters extended distinctly basad of marginal group (Fig. 8Q).
Redescription
Measurements ♂ (n = 2): HW/HL 1.28–1.31; PW/PL 1.25–1.31; EW/ EL 1.25–1.29; ESut/PL 0.86–0.88; PW/HW 1.11–1.15; forebody length 4.5–4.6 mm.
Measurements ♀ (n = 1): HW/HL 1.26; PW/PL 1.23; EW/ EL 1.26; ESut/PL 0.83; PW/HW 1.16; forebody length 4.8 mm.
Extremely similar to B. electus and differing only in the following: antennomeres I-VI paler than following segments; hind tibia brownish to brownish-yellow, paler than apical darkened area of femur, especially lateral face (Fig. 8G); head slightly less transverse; sternites III-V with basal line projected sharply posteriad at middle; median lobe in lateral view with much larger expansion at apical third (Fig. 8P), with lateral teeth smaller; paramere distinctly shorter than median lobe, slightly less dilated, apex slightly attenuate (Fig. 8Q); peg setae with pair of median clusters extended distinctly basad of marginal group (Fig. 8Q); female tergite X with acute, pointed apex.
Distribution
Figure 19B. Known from three localities within a small area of central Sichuan, China.
Bionomics
Collected in June-August at elevations ranging from 1730-2100 m.
Comments
Bolitogyrus nigropolitus is easily distinguished from its closest relatives by the paler antennae and legs.
Taxon Treatment
- Brunke, A; 2017: A revision of the Oriental species of Bolitogyrus Chevrolat (Coleoptera, Staphylinidae, Staphylininae) ZooKeys, (664): 1-97. doi
Images
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![Figure 8. Bolitogyrus electus Smetana & Zheng (A, B, D, F, H), B. uncus Cai et al. (C, E, G, I), B. confusus Brunke (J–L), B. huanghaoi Hu et al. (M–O) and B. nigropolitus Smetana (P, Q). Aedeagus in parameral view (A, J, M), median lobe in lateral view (B, C, N, P), peg setae of paramere (D, K, O, Q), apex of paramere in lateral (F, G, L) and parameral view (E), apex of median lobe in parameral view (H, I). Figure 8E modified from Cai et al. (2015)[1]. Scale bars: 0.5 mm (A–C, E–J, L–N, P), 0.1 mm (D, K, O, Q).](/wiki/File:Zookeys-664-001-g008.jpg)
Other References
- ↑ 1.0 1.1 Cai Y, Zhao Z, Zhou H (2015) Taxonomy of the genus Bolitogyrus Chevrolat (Coleoptera: Staphylinidae: Staphylinini: Quediina) from China with description of seven new species. Zootaxa 3955: 451–486. https://doi.org/10.11646/zootaxa.3955.4.1
