Additions to the knowledge on the genus Phintella Strand, 1906 (Araneae, Salticidae, Chrysillini) from India Author Sudhin, Puthoor Pattammal https://orcid.org/0000-0002-0325-3981 Zoological Survey of India, Prani Vigyan Bhawan, M-Block, New Alipore, Kolkata - 700053, West Bengal, India Author Caleb, John T. D. https://orcid.org/0000-0002-9471-9467 Department of Anatomy, Saveetha Medical College & Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 602105, Tamil Nadu, India Author Sen, Souvik https://orcid.org/0000-0002-7149-5376 Zoological Survey of India, Prani Vigyan Bhawan, M-Block, New Alipore, Kolkata - 700053, West Bengal, India sensouvik07@gmail.com text Zoosystematics and Evolution 2024 2024-01-26 100 1 31 48 http://dx.doi.org/10.3897/zse.100.113049 journal article http://dx.doi.org/10.3897/zse.100.113049 1860-0743-1-31 486B29D088E9465BB70F96FF3CBEDD26 05559329DAE15BAC93F95252A0052FAD Phintella rajbharathi Caleb, Sudhin & Sen sp. nov. Figs 6C, D 7A-D, 8A-G, 14 Type material. Holotype ♂. INDIA: Tamil Nadu, Coimbatore, 10°59'49.71"N , 76°59'8.27"E , 415 m elev., 19.vi.2022, Raj Bharathi coll. (NZC-ZSI-8375/18). Diagnosis. P. rajbharathi sp. nov. can be easily distinguished from those of all other Phintella species by the morphology of the tibial apophyses: ventral apophysis relatively short and thin and thorn-like, dorsal apophysis small and hump-shaped (Figs 6D , 8G ). Description. Male (Holotype, NZC-ZSI-8375/18) (Figs 6C, D , 7A-D , 8A-G ): Measurements: body length 3.99; carapace length 1.84, width 1.72; abdomen length 2.15, width 1.17. Ocular area length 0.95, width 1.38. Eye diameters: AME 0.44, ALE 0.23, PME 0.07, PLE 0.22. Eye interdistances: AME-AME 0.02, ALE-AME 0.03, ALE-ALE 0.92, ALE-PLE 0.56, PLE-PLE 1.03, PME-PME 1.13, PME-PLE 0.23. Clypeus height 0.04. Length of chelicera 0.52. Measurement of palp and legs: palp 1.71 [0.64, 0.25, 0.18, 0.64], leg I 5.17 [1.60, 0.97, 1.19, 1.00, 0.41], II 3.21 [0.98, 0.58, 0.62, 0.69, 0.34], III 3.82 [1.23, 0.54, 0.74, 0.93, 0.38], IV 4.31 [1.31, 0.57, 0.93, 1.09, 0.41]. Leg formula: 1432. Leg setation: femur I pl 1 do 3, II-III pl 1 rl 1 do 3, IV pl 2 rl 1 do 3; patella III-IV rl 1; tibia plv 4 rlv 2, II plv 2 rlv 2, III pl 1 rl 2 rlv 2, IV pl 2 rl 3 rlv 1; metatarsus I plv 2 rlv 2, II pl 1 rl 1 plv 2 rlv 2, III pl 2 rl 2 plv 2 rlv 3, IV pl 2 rl 2 plv 2 rlv 2. Carapace oval, high, sloping posteriorly, pale yellowish-brown, covered with brown setae (Fig. 8A ); carapace margin with narrow brown lines; eye field densely covered with pale yellow setae, eye bases black, anterior eyes surrounded by pale yellow setae (Fig. 8A, D ). Clypeus low, light yellowish-brown, covered with a row of medium-sized light brown setae (Fig. 8D ). Chelicerae subvertical, slightly diverging, light yellow to brown, dorsally with a conspicuous bump near fang base (Fig. 8D ); promargin with two teeth, one stout with wide base and other small, retromargin with a single tooth with wide base; chelicerae ventrally with a widely curved ridge (Fig. 8E ). Endites scopulate, light yellowish-brown with paler inner sides, margins with black lines (Fig. 8B ). Labium yellow brown, with paler tip, distally with light brown setae; with a vertical ridge extending from base to mid-region and a tooth-like bump above it (Fig. 8B ). Sternum oval, anteriorly flat, yellow, with light brown margin (Fig. 8B ). Abdomen elongate oval, narrowing posteriorly, yellow, laterally with brown longitudinal stripes extending along entire length of abdomen (Fig. 8A,C ); venter pale white without any prominent markings (Fig. 8B ). Spinnerets light brown with paler tips, covered with light brown setae. Leg I brown with pale yellow metatarsi and tarsi; leg I ventral region provided with short and stout macrosetae; other leg articles pale yellow. Palp yellowish-brown (Figs 8F, G ); tibia with two RTA, ventral one short, thin and dorsal one like a hump (Figs 6D , 8G ); cymbium elongate oval, covered with long brown setae (Figs 6C, D , 8F-G ); posterior lobe small, straight, directed posteriorly with blunt end (Figs 6C , 8F ); tegulum with small conical protuberance retrolaterally, sperm duct visible at this shoulder (Figs 6C , 8F ); embolus short, situated anterior to bulbus, tip directed at 1 o'clock position in ventral view (Figs 6C , 8F ). Figure 6. Phintella luna sp. nov. ( A, B ), Phintella rajbharathi sp. nov. ( C, D ) and Phintella platnicki Sudhin, Sen & Caleb, 2023 ( E, F ). A, E. Female epigyne, ventral view; B, F. Vulva, dorsal view; C. Left male palp, ventral view; D. Same, retrolateral view. Scale bars: 0.2 mm ( A, B, E, F ); 0.25 mm ( C, D ). Figure 7. Phintella rajbharathi sp. nov. A. Male, dorsal view; B. Same, lateral view; D, E . Same, frontal view. Photo credit A-D : Raj Bharathi. Figure 8. Phintella rajbharathi sp. nov. A. Male, dorsal view; B. Same, ventral view; C. Same, lateral view; D. Same, frontal view; E. Chelicerae, ventral view; F. Left male palp, ventral view; G. Same, retrolateral view. Scale bars: 1 mm ( A-C ); 0.8 mm ( D ); 0.3 mm ( E ); 0.25 mm ( F, G ). Female. Unknown Etymology. The species is named after the collector of the holotype - Raj Bharathi. The name is treated as a noun in apposition. Distribution. Known only from the type locality (Fig. 14 ).