Terrilimosina bicruris, Cao & Dong & Yang, 2025
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publication ID |
https://doi.org/10.3897/zookeys.1241.146200 |
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publication LSID |
lsid:zoobank.org:pub:EC8E8D07-E010-4A66-8A75-AD26EDA22775 |
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DOI |
https://doi.org/10.5281/zenodo.15648535 |
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persistent identifier |
https://treatment.plazi.org/id/EFABC124-E366-551C-A140-A9E9A2D60DD6 |
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treatment provided by |
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scientific name |
Terrilimosina bicruris |
| status |
sp. nov. |
Terrilimosina bicruris sp. nov.
Figs 1 a View Figure 1 , 2 View Figure 2 , 3 View Figure 3
Type locality.
China, Xizang: Linzhi, Mt. Sejila, 3745 m, 6.vii.2018, Qicheng Yang.
Type material.
Holotype: China: - Xizang: • ♂; Linzhi, Mt. Sejila ; 3745 m, 6.vii.2018; Qicheng Yang; in alcohol. ( EMCAU).
Diagnosis.
Arista ~ 5.6 × as long as postpedicel. Hind tibia ventrally with one thin apical bristle; hind basitarsomere apically with one short anterodorsal bristle. Syntergite 1 + 2 well sclerotized (Fig. 2 b View Figure 2 ). S 5 with sparse setulae and three densely setulose posterior process (middle one bifurcated) (Fig. 3 d View Figure 3 ).
Description.
Male (Fig. 2 a – d View Figure 2 ). Body length 1.7 mm, wing 1.8 mm. General color black.
Eye height 2.5 × genal height at point of maximum eye height. One long vibrissa. Arista ~ 5.6 × as long as postpedicel. Postgonite with an inner posterior lobe (with a small process medially), a shallow notch preapically and ~ 3 small apical setulae (Fig. 3 c View Figure 3 ).
Mid tibial chaetotaxy as in Fig. 2 c, d View Figure 2 , ventrally with one short anteroventral bristle below middle and one longer apical bristle; hind tibia ventrally with one thin apical bristle; hind basitarsomere apically with one short anterodorsal bristle. Wing (Fig. 1 a View Figure 1 ) infuscate, pale brownish; C-index = 0.9; r-m – dm-m: dm-m = 3.5.
Tergites and sternites sparsely and shortly setulose. Syntergite 1 + 2 well sclerotized (Fig. 2 b View Figure 2 ). Sternite 5 with sparse setulae and three densely setulose posterior process (middle one bifurcated) (Fig. 3 d View Figure 3 ).
Male genitalia: Epandrium (Fig. 3 a, b View Figure 3 ) sparsely and shortly setose, with a longer dorsolateral bristle. Cercus long and fingerlike, with a long bristle basally and a setae apically (Fig. 3 a, b View Figure 3 ). Surstylus with a stout comb-like row of ventral bristles internally and some small anterior and posteroventral setae (Fig. 3 a, b View Figure 3 ). Basiphallus small, with a small posterior process (Fig. 3 c View Figure 3 ). Postgonite with an inner posterior lobe (with a small process medially), a shallow notch preapically and ~ 3 small apical setulae (Fig. 3 c View Figure 3 ). Distiphallus with a ventral process linking basal and apical parts (with a thin posteromedial process, two broad posterolateral processes and a very long but thin anterior process (Fig. 3 c View Figure 3 ).
Female. Unknown.
Etymology.
The specific name is derived from the Latin bicruris (bifurcated), and refers to the bifurcated posterior process on the S 5.
Distribution.
China (Xizang).
Comments.
Terrilimosina bicruris sp. nov. resembles T. parasmetanai Su in having a distiphallus with a long apical process, but differs in having S 5 with three densely setulose posterior processes and middle one bifurcated (Fig. 3 d View Figure 3 ), long fingerlike cercus, surstylus with a stout comb-like row of ventral bristles internally and postgonite with an inner posterior lobe (with a small process medially) (Fig. 3 a – c View Figure 3 ). Terrilimosina parasmetanai has a small densely setulose posteromedial process on S 5 (Fig. 25 d View Figure 25 ), short triangular cercus, a very small comb-like row of surstylar bristles ventrally and a shallowly bifurcated postgonite apex (Fig. 25 a – c View Figure 25 ).
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.
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