Chelonus (Microchelonus) linzhiensis, Zhou & Achterberg & Tang & Chen, 2024
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publication ID |
https://doi.org/ 10.11646/zootaxa.5412.1.1 |
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publication LSID |
lsid:zoobank.org:pub:DB6DD20F-6EB7-4152-AC80-2F67EE06684B |
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DOI |
https://doi.org/10.5281/zenodo.10676060 |
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persistent identifier |
https://treatment.plazi.org/id/2B5587AD-F03A-734F-FF39-6CADFBB6B9A8 |
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treatment provided by |
Plazi |
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scientific name |
Chelonus (Microchelonus) linzhiensis |
| status |
sp. nov. |
Chelonus (Microchelonus) linzhiensis sp. nov.
Figs 41–44 View FIGURE 41 View FIGURE 42 View FIGURE 43 View FIGURE 44
Material examined. Holotype: female, Linzhi , Xizang Prov., China, 2.VIII.2003, Dekyi Metok, No. 20034177 ( ZJUH) . Paratype: 1 male, same label data as holotype but No. 20035275 .
Diagnosis. This new species is similar to C. (M.) pectinophorae ( Cushman, 1931) , sharing the metasomal carapace being widest after middle and almost 2.0 × longer than wide in dorsal view ( Fig. 42E View FIGURE 42 ), and carapace distinctly widened posteriorly in lateral view ( Fig. 42C View FIGURE 42 ), but the two species can be separated by the following characters: legs partly blackish (versus mainly yellow in C. (M.) pectinophorae ); temples strongly narrowed behind eyes ( Fig. 42G View FIGURE 42 ) (versus slightly narrowed to widened); face coarsely and irregularly punctate-rugose medially ( Fig. 42F View FIGURE 42 ) (versus transversely punctate-rugose).
Description. Holotype, female, length of body 3.7 mm, of fore wing 2.6 mm.
Head. Head transverse, width of head 3.1 × its dorsal length, occiput strongly excavated; antennomeres 16, antenna filiform, not widened, length of 3 rd and penultimate antennomeres 2.7 × and 1.8 × their width, respectively ( Fig. 42H View FIGURE 42 ); eye in dorsal view 0.8 × longer than temple; OOL: OD: POL=21: 7: 13; temple distinctly narrowed behind eyes ( Fig. 42G View FIGURE 42 ); frons and vertex finely striate-rugulose ( Fig. 42G View FIGURE 42 ); face flat, coarsely irregular punctate-rugose medially, width of face 1.7 × its height; eyes slightly converging ventrally; clypeus densely punctate, 2.0 × wider than high, apical margin truncate medially, shiny; distance between tentorial pits 1.6 × distance between pits and eyes; clypeus extending below or far below lower level of eyes ( Fig. 42F View FIGURE 42 ).
Mesosoma. Length of mesosoma 1.5 × its height; side of pronotum finely punctate, mesopleuron densely setose ( Fig. 42B View FIGURE 42 ); notauli distinct, mesoscutum coarsely reticulate-rugose; scutellum evenly convex, rugulose medially, rugose laterally; scutellar suture comparatively deep, narrow, with carinae; propodeum coarsely rugose, lateral tubercles rather small (Fig. 424C).
Wings. Vein r straight; marginal cell 0.8 × as long as pterostigma; pterostigma 3.2 × longer than wide; r: 3-SR: SR1=14: 17: 45; SR1 curved towards pterostigma; marginal cell 1.2 × longer than second submarginal cell; 1-CU1: 2-CU1=18: 29; 2-R1 short ( Fig. 42A View FIGURE 42 ).
Legs. Hind coxa densely setose laterally, mainly smooth and shiny; length of hind femur and tibia 3.3 × and 5.0 × their maximum width, respectively; length of inner hind tibial spur 0.5 × hind basitarsus.
Metasoma. Length of carapace 1.9 × its maximum width in dorsal view, widest after middle, apically slightly narrowed; carapace rugose-reticulate, longitudinal elements less clear, but visible up to middle, rugose apically ( Fig. 42E View FIGURE 42 ); carapace in lateral view 2.3 × longer than high, posterior height of metasoma 1.9 × its anterior height, posteriorly rounded, carapace apically distinctly incurved ( Fig. 42D View FIGURE 42 ).
Colour. Body black; antenna black; palpi light brown; pterostigma dark brown; middle of wing and its veins dark brown, wing base and its veins light yellowish; legs partly black but hind tibia with wide pale yellowish ring; carapace with 2 large pale yellowish spots in basal 1/3, almost connected medially.
Male. Antennomeres 25, antenna filiform, not widened medially ( Fig. 44I View FIGURE 44 ); apical aperture in posterior view small, oval and median process of aperture horizontal oval ( Fig. 44F View FIGURE 44 ); other characters as in female.
Biology. Unknown.
Distribution. China (Xizang).
Etymology. Named after its type locality, a city in the southeast of Xizang (Tibet).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.