Psiloderces bontocensis Li & Chang, 2020

Chang, Wan-Jin & Li, Shuqiang, 2020, Fourteen new species of the spider genus Psiloderces Simon, 1892 from Southeast Asia (Araneae, Psilodercidae), ZooKeys 902, pp. 61-105 : 61

publication ID

https://dx.doi.org/10.3897/zookeys.902.38967

publication LSID

lsid:zoobank.org:pub:2DB04880-0FB8-48BF-AAF3-5EC2176F8D6E

persistent identifier

https://treatment.plazi.org/id/F99F7890-8D40-449E-900D-E3B3FD7FB52E

taxon LSID

lsid:zoobank.org:act:F99F7890-8D40-449E-900D-E3B3FD7FB52E

treatment provided by

ZooKeys by Pensoft

scientific name

Psiloderces bontocensis Li & Chang
status

sp. nov.

Psiloderces bontocensis Li & Chang sp. nov. Figs 5 View Figure 5 , 28E View Figure 28 , 30 View Figure 30

Types.

Holotype: ♀ (IZCAS), Philippines, Luzon Island, Mountain Province, Bontoc Town, road to Banawe Town, 16°59.6630'N, 121°1.1120'E, 1470 m, 25.V.2015, F. Ballarin & Y. Li.

Etymology.

The species name is an adjective referring to the type locality.

Diagnosis.

The female of P. bontocensis sp. nov. can be distinguished from others by a pair of stalked spermathecae with bulbous distal parts, spermathcae almost 8 times wider than stalk, resembling balloons (vs. balloon-shaped spermathecae absent in congeners) (Fig. 5A View Figure 5 ).

Description.

Female (Holotype). Total length 2.00; carapace 0.60 long, 0.70 wide; abdomen 1.40 long, 0.81 wide. Carapace almost round, wider than long, brown, with 3 longitudinal dark brown bands, median band extends only half length of carapace, lateral bands almost as wide as the middle band (Fig. 5C View Figure 5 ). Chelicerae brown (Fig. 28E View Figure 28 ). Clypeus slanting, dark brown. Endites dark brown, light brown basally. Labium dark brown, delimiting pair of light brown circular spots. Sternum dark brown, delimiting light brown patch medially. Abdomen elongated, dorsum with mixture of dark and pale brown forming indistinct pattern (Fig. 5C View Figure 5 ), antero-ventrally dark brown with semi-circular brown patch medially, posterior part with light brown dots laterally (Fig. 5D View Figure 5 ). Legs uniformly brown; measurements: I 5.20 (1.25, 0.25, 1.60, 1.30, 0.80) II 4.32(1.09, 0.20, 1.25, 1.09, 0.69), III 3.48 (0.88, 0.20, 0.90, 0.90, 0.60), IV 5.15(1.25, 0.20, 1.60, 1.30, 0.80). Endogyne (Fig. 5A View Figure 5 ): stalked spermathecae with bulbous distal part, stalks two times longer than bulbous part, bulbous part 8 times wider than stalks (Fig. 5A View Figure 5 ).

Male. Unknown.

Distribution.

Known only from the type locality (Fig. 30 View Figure 30 ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Psilodercidae

Genus

Psiloderces