Trachelas kavanaughi, Tang & Yan & Zhao & Peng, 2024

Tang, Gang, Yan, Wen-long, Zhao, Yi & Peng, Xian-jin, 2024, Description of two new species of the genus Trachelas L. Koch, 1872 and the male of T. gaoligongensis Jin, Yin & Zhang, 2017 from China (Araneae, Trachelidae), ZooKeys 1215, pp. 127-138 : 127-138

publication ID

https://doi.org/ 10.3897/zookeys.1215.130564

publication LSID

lsid:zoobank.org:pub:19536B03-4F83-435F-A0EB-B29CAF39BBFE

DOI

https://doi.org/10.5281/zenodo.13928935

persistent identifier

https://treatment.plazi.org/id/6250BA11-335B-45DD-B0BB-F65CCE47FF41

taxon LSID

lsid:zoobank.org:act:6250BA11-335B-45DD-B0BB-F65CCE47FF41

treatment provided by

ZooKeys by Pensoft

scientific name

Trachelas kavanaughi
status

sp. nov.

Trachelas kavanaughi sp. nov.

Figs 5 View Figure 5 , 7 A, B View Figure 7

Type material.

Holotype • ♀ ( HNU - DHK-2004-058 ); China, Yunnan Prov., Gongshan County, Dulongjiang Township, south of Dizhengdang Village along Silalong River ; 28.07654 ° N, 98.32603 ° E; 1890 m a. s. l.; 28 October 2004; D. H. Kavanaugh leg. GoogleMaps

Etymology.

The species is named in honor of the type specimen collector, D. H. Kavanaugh, the curator emeritus at the California Academy of Sciences.

Diagnosis.

The female of this new species (Figs 5 E, F View Figure 5 , 7 A, B View Figure 7 ) resembles that of Trachelas gaoligongensis (see Figs 3 View Figure 3 , 4 D, E View Figure 4 ) in the shape of the atrium and the secondary spermathecae but differs as follows: (1) the atrium is wider than long in ventral view (vs. about as long as wide); (2) the copulatory openings are located on the anterior of the genitalia in ventral view (vs. located on posterior); (3) the primary spermathecae are round in dorsal view (vs. oval); and (4) the interdistance of the secondary spermathecae is narrower than the width of the primary spermathecae in dorsal view (vs. more than the twice width of the primary spermathecae).

Description.

Female (holotype) (Fig. 5 A-D View Figure 5 ). Total length 4.45. Carapace 1.75 long, 1.61 wide; abdomen 2.68 long, 1.79 wide. Carapace brown, smooth, fovea black, small and distinct. Chelicerae brown, with three promarginal and two retromarginal teeth. Sternum and labium light brown, and truncated margin of sternum with distinct crescent-shaped depression. Eye sizes and interdistances: AME 0.13, ALE 0.13, PME 0.13, PLE 0.13, AME - AME 0.05, AME - ALE 0.02, PME - PME 0.10, PME - PLE 0.08, ALE - PLE 0.05. MOA 0.27 long, anterior width 0.30, posterior width 0.34. Clypeus height 0.12. Legs light brown alternating with dark brown. Leg measurements: leg I 5.53 (1.72, 2.02, 1.04, 0.75), II 5.30 (1.60, 1.93, 1.06, 0.71), III 4.20 (1.22, 1.43, 1.02, 0.53), IV 5.72 (1.66, 1.95, 1.46, 0.65). Leg formula: 4123. Abdomen oval, apricot-white; dorsum with five black-brown chevrons decreasing in size from anterior to posterior; venter with two blurry gray longitudinal stripes. Spinnerets yellowish.

Epigyne (Figs 5 E, F View Figure 5 , 7 A, B View Figure 7 ). Atrium wider than long copulatory openings small, located at anterior of epigyne; copulatory ducts C-shaped, secondary spermathecae narrowest at junction with copulatory ducts, widening from copulatory openings to spermathecae; connecting ducts axisymmetric; primary spermathecae round, connected to lightly sclerotized fertilization ducts.

Male. Unknown.

Distribution.

Known only from the type locality (Fig. 8 View Figure 8 ).

HNU

Hunan Normal University

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Trachelidae

Genus

Trachelas