Psiloderces bontocensis
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Ordo: Araneae
Familia: Psilodercidae
Genus: Psiloderces
Name
Psiloderces bontocensis Li & Chang sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
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).
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). Chelicerae brown (Fig. 28E). 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), antero-ventrally dark brown with semi-circular brown patch medially, posterior part with light brown dots laterally (Fig. 5D). 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): stalked spermathecae with bulbous distal part, stalks two times longer than bulbous part, bulbous part 8 times wider than stalks (Fig. 5A).
Male. Unknown.
Distribution
Known only from the type locality (Fig. 30).
Original Description
- Chang, W; Li, S; 2020: Fourteen new species of the spider genus Psiloderces Simon, 1892 from Southeast Asia (Araneae, Psilodercidae) ZooKeys, 902: 61-105. doi
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