Phintella rajbharathi Caleb, Sudhin & Sen, 2024

Sudhin, Puthoor Pattammal, Caleb, John T. D. & Sen, Souvik, 2024, Additions to the knowledge on the genus Phintella Strand, 1906 (Araneae, Salticidae, Chrysillini) from India, Zoosystematics and Evolution 100 (1), pp. 31-48 : 31

publication ID

https://dx.doi.org/10.3897/zse.100.113049

publication LSID

lsid:zoobank.org:pub:486B29D0-88E9-465B-B70F-96FF3CBEDD26

persistent identifier

https://treatment.plazi.org/id/8FF8C587-E536-44E9-BD1F-9D4995FE3E1F

taxon LSID

lsid:zoobank.org:act:8FF8C587-E536-44E9-BD1F-9D4995FE3E1F

treatment provided by

Zoosystematics and Evolution by Pensoft

scientific name

Phintella rajbharathi Caleb, Sudhin & Sen
status

sp. nov.

Phintella rajbharathi Caleb, Sudhin & Sen sp. nov.

Figs 6C, D 7A-D, 8A-G, 14 View Figure 6

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 View Figure 6 , 8G View Figure 8 ).

Description.

Male (Holotype, NZC-ZSI-8375/18) (Figs 6C, D View Figure 6 , 7A-D View Figure 7 , 8A-G View Figure 8 ): 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 View Figure 8 ); 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 View Figure 8 ). Clypeus low, light yellowish-brown, covered with a row of medium-sized light brown setae (Fig. 8D View Figure 8 ). Chelicerae subvertical, slightly diverging, light yellow to brown, dorsally with a conspicuous bump near fang base (Fig. 8D View Figure 8 ); 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 View Figure 8 ). Endites scopulate, light yellowish-brown with paler inner sides, margins with black lines (Fig. 8B View Figure 8 ). 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 View Figure 8 ). Sternum oval, anteriorly flat, yellow, with light brown margin (Fig. 8B View Figure 8 ). Abdomen elongate oval, narrowing posteriorly, yellow, laterally with brown longitudinal stripes extending along entire length of abdomen (Fig. 8A,C View Figure 8 ); venter pale white without any prominent markings (Fig. 8B View Figure 8 ). 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 View Figure 8 ); tibia with two RTA, ventral one short, thin and dorsal one like a hump (Figs 6D View Figure 6 , 8G View Figure 8 ); cymbium elongate oval, covered with long brown setae (Figs 6C, D View Figure 6 , 8F-G View Figure 8 ); posterior lobe small, straight, directed posteriorly with blunt end (Figs 6C View Figure 6 , 8F View Figure 8 ); tegulum with small conical protuberance retrolaterally, sperm duct visible at this shoulder (Figs 6C View Figure 6 , 8F View Figure 8 ); embolus short, situated anterior to bulbus, tip directed at 1 o’clock position in ventral view (Figs 6C View Figure 6 , 8F View Figure 8 ).

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 View Figure 14 ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Salticidae

Genus

Phintella