Castoponera lecythus Deeleman-Reinhold, 2001

Yamasaki, Takeshi, Hashimoto, Yoshiaki, Endo, Tomoji, Hyodo, Fujio & Itioka, Takao, 2016, A new species of the genus Castoponera (Araneae, Corinnidae) from Sarawak, Borneo, with comparison to a related species, ZooKeys 596, pp. 13-25 : 18-22

Taxon classification Animalia Araneae Corinnidae

Castoponera lecythus Deeleman-Reinhold, 2001 Figs 19-25, 26-31, 32-35

Castoponera lecythus Deeleman-Reinhold, 2001: 314, figs 452-463.

Material examined.

1 male (MNHAH; AMS-Hy6), Danum Valley Field Centre, 4°58'N, 117°48'E, Sabah, Borneo, 18-XII-2006, Y. Hashimoto leg.; 1 female (MNHAH; AMS3), same locality, 9-I-2008, Y. Hashimoto & T. Endo leg.; 1 female, Tawau Hills Park, 4°23'N, 117°53'E, Sabah, Borneo, 17-XI-2009, T. Yamasaki leg.; 1 male, Poring Hot Spring, Kinabalu Park, 6°02'E, 116°42'E, Sabah, Borneo, 12-XI-2010, T. Yamasaki leg.

Measurements

(Male: AMS-Hy6/Female: AMS3). Total length 7.4/8.7. Carapace length 3.13/3.45; width 1.87/2.13; height 0.98/1.05. Clypeus height 0.26/0.28. Eye size: AME 0.18/0.20; ALE 0.12/0.13; PME 0.15/0.18; PLE 0.15/0.18. Width of eye region 0.70/0.80. Distance between PMEs 0.13/0.16. Abdomen length 3.10/5.00; width 1.58/2.50.

Male

(Figs 19-22). Carapace oval, with granulated surface (Fig. 19). Chelicera with three promarginal and two retromarginal teeth on fang furrow (Fig. 22). Retrocoxal hymen obviously smaller than ALE, approximately 0.05 mm in diameter. Pedicel wrapped in tube-like sclerite extending from abdomen (Figs 19-21). Abdomen slender oval, slightly constricted at anterior part; entire surface strongly sclerotized (Fig. 20).

Male palp (Figs 23-25, 32-33). Cymbium slender (Fig. 25). Bulb teardrop-shaped but retrolateral corner of anterior bulb squarish; posterior part spherical, slightly asymmetrical (Figs 23, 32). Sperm duct beginning at retrolateral surface of bulb, curving twice at retrolateral and once at ventral surfaces, then running directly into embolus through center of bulbal surface (Figs 23-24, 32-33).

Leg spination. Femur I 1-1-1d, 1pl; tibia I 2-2-2v; metatarsus I 2-2v; femur II 1-1-1d, 1pl; tibia II 1-2-2v; metatarsus II 2-2v; femur III 1-1-1d, 1-1pl, 1-1rl; tibia III 1d, 1-2v, 1-1pl, 1-1rl; metatarsus III 2-2v, 1-1pl, 1-1rl, with 5 distal spines; femur IV 1-1-1d, 1-1pl, 1rl; tibia IV 1d, 1-1-2v, 1-1pl, 1-1rl; metatarsus IV 2-1v, 1-1pl, 1-1rl, with 5 distal spines.

Coloration and setation (Figs 19-22). Carapace dark brown, covered with short fine setae; anterior surface near eye region covered with white plumose setae. Chelicera brown; anterior surface sparsely covered with long gray setae and transparent plumose setae; promargin of fang furrow densely fringed with long thick setae whose surfaces are rough (Fig. 22). Labium, maxilla, sternum brown. Legs covered with black setae, black plumose setae and transparent plumose setae; plumose setae sparse in tarsi; coxae I, II and III brownish cream; coxa III darker than I and II; coxa IV brown; trochanters almost same coloration as in coxae; femora brown; patellae I and II yellowish brown, III and IV light brown; tibiae I and II yellowish brown, III light brown, IV brown; metatarsi almost same coloration as in tibiae; tarsi yellowish brown, IV more darker than others. Pedicel dark brown. Abdomen blackish brown; entire surface covered with plumose setae, some white and some light brown, and posterior surface covered with long setae; thick white plumose setae forming following markings: transverse band on anterior dorsum, transverse band encircling middle part, large patch on posterior dorsum; posterior end bearing tuft of long white plumose setae.

Female

(Figs 26-29). Almost same as in male, except for abdomen. Abdomen without distinct constriction; anterior half covered with strongly sclerotized surface (Figs 26-28).

Female genitalia (Figs 30-31, 34-35). Copulatory atrium round; copulatory opening located at anterior margin (Figs 30, 34). Insemination duct, curving, connecting to inner margin of posterior bursa (Figs 31, 35). Bursa oval, accompanying slender spermatheca on posterior margin (Figs 31, 35).

Leg spination. Femur I 1-1-1d, 1-1pl; tibia I 1-2-2v; metatarsus I 2-2v; femur II 1-1d, 1pl; tibia II 2-2-2v; metatarsus II 2-2v; femur III 1-1d, 1pl, 1rl; tibia III 1d, 1-2v, 1-1pl, 1-1rl; metatarsus III 2-2v; 1-1pl, 1-1rl, with 5 distal spines; femur IV 1-1-1d, 1-1pl, 1-1rl; tibia IV 1d, 1-1-2v, 1-1pl, 1-1rl; metatarsus IV 2-2v, 1-1pl, 1-1rl, with 5 distal spines.

Coloration and setation (Figs 26-29). Almost same as in male.

Distribution.

Danum Valley Feild Centre, Sabah ( Deeleman-Reinhold 2001); Tawau Hills Park, Sabah; Poring Hot Spring, Kinabalu Park, Sabah; Niah cave National Park, Sarawak ( Deeleman-Reinhold 2001); Kaharian, 2°02S, 113°40'E, SE Kalimantan ( Deeleman-Reinhold 2001); Aranio district, SE Kalimantan ( Deeleman-Reinhold 2001).

Remarks.

We examined 1 male and 1 female collected from the type locality, and these specimens agreed with the original description of Castoponera lecythus . For the comparison with Castoponera christae sp. n., see Diagnosis and Remarks in Castoponera christae sp. n.