Carrhotus andhra Caleb, 2020

Caleb, John T. D., Bera, Chandan & Acharya, Shelley, 2020, New species and synonymies in the genus Carrhotus Thorell, 1891 from India (Aranei: Salticidae: Salticini), Arthropoda Selecta 29 (1), pp. 51-66 : 54

Carrhotus andhra Caleb , sp.n.

Figs 1–10 , Map 1 .

TYPE. Holotype ♂ ( NZC-ZSI 6733 /18) from India, Andhra Pradesh, Visakhapatnam Distr., Paderu (18.08°N, 82.65°E), 1015 m a.s.l., 8.09.2018, P. Sardar & G.M. Koley.

ETYMOLOGY. The species is named after the Indian state, Andhra Pradesh from where the holotype was collected. The name is a noun in apposition.

DIAGNOSIS. The species can be distinguished from all its congeners by the presence of a prolateral, knife-like protrusion of the tegulum (arrowed in Fig. 9 ) and the RTA bifurcated at its tip ( Figs 6, 10 ).

DISTRIBUTION. India (Andhra Pradesh) ( Map 1 ).

DESCRIPTION. MALE. Total length: 4.19; carapace: 2.11 long, 1.76 wide; abdomen: 2.07 long, 1.21 wide. Carapace brownish, with three patches of white hairs along the anterior margin; broad white patch of hairs present on lateral sides of the carapace ( Fig. 1 ). Anterior eyes surrounded by white orbital setae; clypeus sparsely covered with white scales ( Fig. 3 ). Eye measurements: AME 0.53, ALE 0.30, PME 0.06, PLE 0.24, AER 1.73, PER 1.48, EFL 0.94. Clypeus height 0.16. Sternum oval, yellowish brown. Chelicerae brown, with two promarginal and one retromarginal teeth. Labium and maxillae yellow-brown ( Fig. 4 ). Legs brownish, with light brown patellae; metatarsi II and tarsi II yellowish; tibiae, metatarsi and tarsi of legs III & IV yellowish ( Figs 1, 2 ). Leg measurements: I 6.11 (1.87, 1.10, 1.47, 1.00, 0.67); II 5.03 (1.64, 0.96, 1.07, 0.81, 0.55); III 6.05 (2.12, 0.99, 1.07, 1.15, 0.72); IV 5.44 (1.73, 0.71, 1.10, 1.18, 0.72). Leg formula: 1342. Leg spination: femora I 0500, II 0700, III 0700, IV 0700; patellae I 2010, II–IV 1010; tibiae I 2006, II 3026, III 4143, IV 4143; metatarsi I 1004, II 1024, III 3034, IV 4043; tarsi I–IV 0000. Abdomen yellow-brown, with a pair of lateral brown longitudinal patches; mid-dorsum with chevron-shaped markings ( Fig. 1 ); venter brownish. Spinnerets brownish ( Fig. 1 ). Palps brownish; cymbium with a retromarginal protrusion completely covering the RTA in ventral view; embolus thick, pointing apically; RTA thick, with a bifid tip, directed vertically ( Figs 5–10 ).

FEMALE unknown.

Figures

Map 1. Collecting localities of five Indian Carrhotus species. White star represents the type locality of Bianor piratus (= Carrhotus sannio). Карта 1. Точкии находок пЯти индийских видов Carrhotus. БелаЯ ЗвеЗдочка отмечает типовой локалитет Bianor piratus (= Carrhotus sannio).

Figs 1–4. Somatic morphology of Carrhotus andhra Caleb sp.n., holotype male: 1 — general appearance, dorsal view; 2 — ditto, ventral view; 3 — ditto, front view; 4 — chelicerae, ventral view. Scale bars: (1–2) 2 mm, (3) 1 mm, (4) 0.5 mm. Рис. 1–4. СоматическаЯ морфологиЯ Carrhotus andhra Caleb sp.n., голотип самец: 1 — общий вид, сверху; 2 — тоЖе, сниЗу; 3 — тоЖе, спереди; 4 — хелицеры, сниЗу. Масштаб: (1–2) 2 мм, (3) 1 мм, (4) 0,5 мм.

Figs 5–10. Left male palp of Carrhotus andhra Caleb sp.n., holotype: 5, 9 — ventral view; 6, 10 — ditto, retrolateral view; 7 — ditto, prolateral view; 8 — ditto, dorsal view. Scale bars: 0.2 mm. Рис. 5–10. ЛеваЯ пальпа самца Carrhotus andhra Caleb sp.n., голотип: 5 — сниЗу; 6 — сбоку-сЗади; 7 — сбоку-спереди; 8 — сверху. Масштаб: 0,2 мм.