Psiloderces cuyapoensis
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Ordo: Araneae
Familia: Psilodercidae
Genus: Psiloderces
Name
Psiloderces cuyapoensis Li & Chang sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
Types
Holotype: ♂ (IZCAS), Philippines, Luzon Island, Nueva Ecija Province, Cuyapo City, 15°47.8086'N, 120°39.3294'E, 60 m, 22.V.2015, F. Ballarin & Y. Li. Paratype: 1♀ (IZCAS), same data as holotype.
Etymology
The species name is an adjective referring to the type locality.
Diagnosis
Males of P. cuyapoensis sp. nov. resemble those of P. xichang sp. nov. but can be distinguished by the rounded embolus (vs. wavy embolus), 3 distinct bristles on the cymbial protrusion (vs. 2 distinct bristles on cymbial protrusion), length of palp ca 6 times the length of bulb (vs. extremely slender and long palp, ca 10 times the length of bulb (Fig. 9C, D), and coloration of male and female are pale brown (vs. coloration of male and female are darker brown); females can be distinguished by tubular spermathecae (vs. earlobe-shaped spermathecae).
Description
Male (Holotype). Total length 1.60; carapace 0.60 long, 0.67 wide; abdomen 1.00 long, 0.78 wide. Carapace round and brown, with 3 longitudinal dark brown bands, median band half carapace length, median band almost as wide as the lateral bands (Fig. 6D). Chelicerae pale brown (Fig. 28D). Clypeus dark brown, with long, slightly bent medial projection (Fig. 6C, D). Endites light brown. Labium dark brown delimiting pair of light brown circular dots. Sternum dark brown, delimiting light brown band medially. Abdomen elongated, dorsum with brown stripes, antero-ventrally pale brown with elliptical patch, posterior with purplish patterns. Legs uniformly brown; measurements: I–III missing, IV 5.21 (1.33, 0.25, 1.50, 1.38, 0.75). Palp (Fig. 7A–D): femur slender, 4 times longer than patella; patella not swollen; tibia 1.50 times shorter than femur; cymbium 2 times shorter and almost as wide as femur, protrusion with 3 distinct bristles basally and anteriorly; bulb pale brown, bulging pyriform with embolus arising distally; embolus rounded and blunt (Fig. 7B). Female (Paratype). General features and coloration similar to those of male (Fig. 6E, F). Measurements: total length 1.64; carapace 0.47 long, 0.63 wide; abdomen 1.17 long, 0.78 wide. Leg measurements: I–IV missing. Endogyne (Fig. 6A): tubular spermathecae with indistinct concave ducts posteriorly (Fig. 6A).
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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