Ischnocolus jickelii L. Koch, 1875

Zonstein, Sergei L., 2018, Complementary data on the genus Ischnocolus (Araneae: Theraphosidae), Israel Journal of Entomology (Oxford, England) 48 (1), pp. 105-118 : 110-113

Ischnocolus jickelii L. Koch, 1875

( Figs 9–17)

Ischnocolus jickelii L. Koch, 1875: 5 , pl. VI, fig. 2 (♀); Guadanucci & Gallon 2008: 42; Guadanucci & Wendt 2014: 395, fig. 4B (♀).

Chaetopelma adenense Simon, 1890: 83 (♀). Synonymised with I. jickelii by Guadanucci & Gallon 2008: 42.

Description. Male: Habitus as in Fig. 9. Body length, 12.75.

Color in alcohol: carapace, chelicerae, palps and legs I–IV dorsally dull reddish brown; eye tubercle dark brown; eyes surrounded by narrow blackish ring; sternum, labium, palps (including maxillae) and legs I–IV (including coxae) ventrally light brownish orange; most abdomen dorsally medium yellowish brown with darker brown pattern consisting of large darkened area in anterior quarter, and narrow median stripe fused with several paired lateral fasciae posteriorly; ventral surface of abdomen and spinnerets light yellowish brown.

Prosoma as in Figs 10, 12. Carapace 5.13 long, 4.18. Eye tubercle as in Fig. 2. Eye diameters and interspaces: AME 0.19(0.25), ALE 0.29, PLE 0.20, PME 0.18, AME–AME 0.14(0.08), ALE–AME 0.11(0.08), ALE–PLE 0.09, PLE–PME 0.04, PME–PME 0.44. Cheliceral rastellum absent. Each cheliceral furrow with 9 promarginal teeth and 6 or 7 mesobasal denticles. Labium with 31 cuspules; 0.43 long, 1.06 wide. Sternum 2.32 long, 2.22 wide. Each maxilla with ca. 70 cuspules arranged in triangular area. Serrula indiscernible.

Palp and legs. Tibia and metatarsus I as in Fig. 13. Spines (all femora with medial row of 4–7 thickened bristles; palpal patella, tibia and cymbium, patellae I and II, tarsi I–IV and cymbium aspinose). Palp: femur pd1. Leg I: femur pd1; tibia p1–1–2, v3–3(2)–1, metatarsus p1, rv1–1. Leg II: femur pd1; tibia p1–1, v2–2–3; metatarsus p1, rv1–1. Leg III: femur pd1, rd1; patella p3; tibia p1–1–1(0), r1–1, v2–2–3; metatarsus p1–1–1, r1–1, v1–1–1–3. Leg IV: femur pd1; patella p1; tibia p1–1, r1–2–1–1, v3–2–3; metatarsus p1–1, r3–1–1, v2–1–2–3. Metatarsal preening combs absent. Scopula entire on distal two-thirds of metatarsus I and onethird of metatarsus II; sparse and proventral on distal metatarsi III and IV; narrowly divided on tarsi I–III; more widely divided on tarsus IV. Trichobothria: 2 rows of 5 or 6 in each row on tibiae, 7–13 on metatarsi, 16–27 (+8–12 clavate) on tarsi, 9 (+12 clavate) on cymbium. Tarsus IV cracked. Paired claws on tarsi I–IV bipectinate, with 3 subapical teeth in each row. Leg measurements:

Palp I II III IV Femur 2.54 3.79 3.59 3.37 4.19 Patella 1.39 2.34 1.86 1.79 2.19 Tibia 1.74 2.90 2.37 2.04 3.43 Metatarsus – 2.66 2.57 2.99 4.29 Tarsus 1.21 1.88 1.84 1.84 2.38 Total 6.88 13.57 12.23 12.03 16.48