Trilacuna cangshan Tong, Yang & Zhang, 2023
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publication ID |
https://dx.doi.org/10.3897/zookeys.1174.106130 |
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publication LSID |
lsid:zoobank.org:pub:FC99CBBB-5353-4F81-B6F8-07A6E8ACCBF3 |
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persistent identifier |
https://treatment.plazi.org/id/D00C8223-91F4-4A42-8F73-AAAE7412F090 |
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taxon LSID |
lsid:zoobank.org:act:D00C8223-91F4-4A42-8F73-AAAE7412F090 |
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treatment provided by |
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scientific name |
Trilacuna cangshan Tong, Yang & Zhang |
| status |
sp. nov. |
Trilacuna cangshan Tong, Yang & Zhang sp. nov.
Figs 1 View Figure 1 , 2 View Figure 2 , 8 View Figure 8
Type material.
Holotype ♂ (SYNU-660): China, Yunnan Province, Dali Bai Autonomous Prefecture, Dali City, Cangshan Mountain, post-fire forest in 1999, 25°38′30″N, 100°08′04″E, Z. Yang leg., 2/11/2009.
Diagnosis.
Males of the new species are similar to those of T. bawan Tong, Zhang & Li, 2019 in the shape of palp, but they can be distinguished by the reduced eyes (Fig. 1D, F View Figure 1 ) vs normal, the smooth sternum (Fig. 1E View Figure 1 ) vs with grooves at posterior part, and the slightly elevated epigastric region (Fig. 1B, C View Figure 1 ) vs epigastric region strongly elevated ( Tong et al. 2019: fig. 1A, E, G-I).
Description.
Male (holotype). Body: yellow, legs lighter; habitus as in Fig. 1A-C View Figure 1 ; body length 1.76. Carapace: 0.78 long, 0.67 wide; sides granulate, lateral margin rebordered (Fig. 1D, F View Figure 1 ). Eyes: vestigial, only visible in frontal view (Fig. 1D, F View Figure 1 ). Mouthparts: chelicerae straight, proximal region with one seta with elevated base; labium rectangular, anterior margin deeply incised; endites slender, distally branched (Fig. 1E, G, H View Figure 1 ). Sternum: surface finely reticulated (Fig. 1E View Figure 1 ). Abdomen: 1.01 long, 0.60 wide; booklung covers ovoid, surface smooth; dorsal scutum not fused to epigastric scutum; sperm pore situated at level of anterior spiracles; apodemes present, posterior spiracles connected by groove; epigastric region slightly elevated, with a cluster of densely short setae (Fig. 1A-C View Figure 1 ). Palp: orange; 0.64 long (0.20, 0.13, 0.13, 0.18); femur greatly elongated (width/length = 0.64); bulb kidney-shaped, tapering apically; psembolus with basal leaf-shaped projection (blp) and ventral broad lobes (vbl); with dorsal median branch (lmb) and retrolateral, long curved branch (lcb) (Fig. 2 View Figure 2 ).
Female. Unknown.
Etymology.
The specific name is a noun in apposition taken from the type locality.
Distribution.
Known only from the type locality, Yunnan Province, China (Fig. 8 View Figure 8 ).
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.