Chelonus (Arichelonus) allokotosus, Zhou & Achterberg & Tang & Chen, 2022
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publication ID |
https://doi.org/ 10.11646/zootaxa.5165.4.5 |
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publication LSID |
lsid:zoobank.org:pub:F108240E-FE0B-4832-96CB-F0540CB338E3 |
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DOI |
https://doi.org/10.5281/zenodo.6854020 |
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persistent identifier |
https://treatment.plazi.org/id/03888780-3108-0544-FF61-9C05FB7E7ECB |
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treatment provided by |
Plazi |
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scientific name |
Chelonus (Arichelonus) allokotosus |
| status |
sp. nov. |
Chelonus (Arichelonus) allokotosus sp. nov.
Figs 1–2 View FIGURE 1 View FIGURE 2
Material examined. Holotype: female, China, Zhejiang Prov., Mt. Jiulong , IV.1995, Hanlin Chen, No. 95507 ( ZJUH).
Diagnosis. This new species is similar to C. (A.) sternalis Tobias, 1964 , but can be separated from the latter by the following characters: length of metasoma 2.3 × its height (4.0 × in C. (A.) sternalis Tobias, 1964 ); scutellum coarsely reticulate rugose and punctate medially (smooth medially); antennomeres of female 18, length of antenna distinctly shorter than body length (antenna very slender and filiform, antennomeres 38, as long as body).
Description. Holotype, female, length of body 3.4 mm, of fore wing 2.2 mm.
Head. Antennomeres 18, basal half of left antenna distinctly broadened; third antennomere equal in length to fourth; third, fourth and terminal antennomeres 3.2 ×, 3.2 × and 2.3 × longer than wide ( Fig. 2I View FIGURE 2 ); head transverse, width of head 2.6 × its dorsal length roundly contracted behind eyes; OOL: OD: POL= 9: 4: 9; longitudinal diameter of eye 1.1 × height of temples; vertex behind ocelli and temple evenly convex, transversely striate; frons distinctly concave, smooth ( Fig. 2H View FIGURE 2 ); face coarsely striate-rugose; clypeus shiny, finely punctate with dense setae ( Fig. 2G View FIGURE 2 ).
Mesosoma. Length of mesosoma 1.4 × its height; pronotum finely reticulate-rugose; mesoscutum evenly convex, reticulate-rugose; scutellum hardly convex, more strongly and coarsely rugose than mesoscutum, punctate medially; scutellar suture comparatively deep, narrow, with carinae; apical transverse carina of propodeum short, near posterior margin of propodeum ( Fig. 2C View FIGURE 2 ); mesopleuron evenly convex, coarsely reticulate-rugose ( Fig. 2B View FIGURE 2 ).
Wings. Length of fore wing 2.6 × its width; length of marginal cell 1.25 × pterostigma; vein r straight, r: 3-SR: SR1 = 7: 7: 45; 1-CU1: 2-CU1= 6: 17 ( Fig. 2A View FIGURE 2 ).
Legs. Hind coxa mainly smooth and shallowly punctate; hind coxa, femur and tibia all distinctly robust; length of hind femur, tibia and basitarsus 3.0 ×, 3.75 × and 3.8 × their maximum width, respectively ( Fig. 2E View FIGURE 2 ).
Metasoma. Carapace elongate-oval, but distinctly contracted at the one-third of apex, two thirds of it longitudinally striate, and reticulate by weaker and transverse rugae basally; length of carapace 2.3 × its maximum width in dorsal view ( Fig. 2D View FIGURE 2 ); ventrally metasoma completely open to apex of carapace; length of ovipositor projecting part 0.5 × of carapace length, and the ovipositor sheath 0.13 × as long as fore wing, 0.38 × as long as hind tibia ( Fig. 2E View FIGURE 2 ).
Colour. Black; antennomeres dark brown; palp blackish-brown; pterostigma and veins yellowish-brown; pterostigma and veins light brown; wing membrane hyaline; legs almost entirely yellowish-brown, basally hind tibia light yellow and apically black; ovipositor sheath brown.
Male. Unknown.
Biology. Unknown.
Etymology. Named after its special abdomen: allokotos is Greek for unusual and strange.
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.