Phrynarachne xuxiake Lin & S. Li, 2022

Lin, Yejie, Yu, Long, Koomen, Peter, Yan, Xunyou & Li, Shuqiang, 2022, Taxonomic notes on the genus Phrynarachne from China (Araneae, Thomisidae), ZooKeys 1085, pp. 69-99 : 69

publication ID

https://dx.doi.org/10.3897/zookeys.1085.77966

publication LSID

lsid:zoobank.org:pub:DA1FA04C-FB0F-4325-BDAB-507FF6DEB967

persistent identifier

https://treatment.plazi.org/id/BB4750BD-1DC5-4B3C-BF29-2F26118EA68D

taxon LSID

lsid:zoobank.org:act:BB4750BD-1DC5-4B3C-BF29-2F26118EA68D

treatment provided by

ZooKeys by Pensoft

scientific name

Phrynarachne xuxiake Lin & S. Li
status

sp. nov.

Phrynarachne xuxiake Lin & S. Li sp. nov.

Figs 1B View Figure 1 , 14 View Figure 14 , 19C View Figure 19 , 21 View Figure 21

Type material.

Holotype: ♀ (IZCAS-Ar41672), China: Anhui: Huangshan City, Tangkou Town, Fangcunxin Village, ravine, 30.0501°N, 118.1854°E, 450 m elev., IX.2018, Long Yu leg.

Etymology.

The species is named after Xu Xiake, a Chinese travel writer and geographer of the Ming dynasty; noun (name) in apposition.

Diagnosis.

Females of Phrynarachne xuxiake sp. nov. are similar to P. katoi but can be distinguished by the length to width ratio of the median plate (3:1 in P. xuxiake vs 5:1 in P. katoi ) and by the rectangular median plate with its posterior edge straight (vs dumbbell-shaped with procurved posterior edge in P. katoi ).

Description.

Female (Figs 14 View Figure 14 , 19C View Figure 19 ), holotype: total length 8.78, carapace 3.84 long, 4.45 wide, dark brown with long setae. Eye sizes and interdistances: ALE 0.22, AME 0.17, PLE 0.18, PME 0.15; ALE-AME 0.18, AME-AME 0.24, PLE-PME 0.28, PME-PME 0.28. Chelicerae white, with two promarginal teeth and one retromarginal tooth; gnathocoxae, labium black, labium 0.84 long, 0.74 wide. Sternum black. Legs yellow, femora I and II with dense, varying-sized tubercles; tibiae and metatarsi of I, II with dense ventral spines (I, tibia 26, metatarsus 108; II, tibia 21, metatarsus 89). Leg measurements: I 15.11 (4.17, 4.92, 3.70, 2.32), II 13.93 (4.02, 4.68, 3.13, 2.10), III 6.94 (2.12, 2.71, 1.05, 1.06), IV 6.63 (2.39, 2.54, 0.76, 0.94). Leg formula: 1234. Opisthosoma brown, each side with 19 blunt tubercles, each with a clavate seta, with a pair of black markings medially.

Epigyne (Fig. 14 View Figure 14 ). Sclerotized margins inconspicuous, M-shaped; median plate obvious, with a posterior hood, anterior edge recurved and posterior edge almost straight, the ratio of width to length is 3:1; copulatory opening inconspicuous; Spermathecae kidney-shaped, the ratio of anterior edge to posterior edge length is 3:2. Fertilization duct transverse.

Distribution.

Known only from the type locality.

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Thomisidae

Genus

Phrynarachne