Palpimanus, Dufour, 1820

Tripathi, Rishikesh, Sankaran, Pradeep M., Kuni, Nikhil & Sudhikumar, Ambalaparambil V., 2023, New species of Palpimanus Dufour, 1820 from India (Araneae: Palpimanidae, Palpimaninae), with a catalogue of the Indian palpimanid fauna, European Journal of Taxonomy 891, pp. 26-50 : 46

Key to Indian species of Palpimanus

Male of P. vultuosus is excluded from the key as it is unknown and the detail of its female was taken from Simon (1897). Details of P. narsinhmehtai were taken from Prajapati et al. (2021).

1. Males.................................................................................................................................................. 2

– Females .............................................................................................................................................. 4

2. Dorsal arm of embolic stalk (DAE) with short distomedian process, median arm of embolic stalk (MAE) tongue-shaped ( Fig. 6B ).......................................................................... P. godawan sp. nov.

– Dorsal arm of embolic stalk (DAE) with long distomedian process, median arm of embolic stalk (MAE) cone-shaped ( Figs 11B , 12C ; Prajapati et al. 2021: fig. 17) ................................................. 3

3. Prolateral arm of embolic stalk (PAE) with lateral folding, median arm of embolic stalk (MAE) short ( Fig. 11B ).............................................................................................................. P. maldhok sp. nov.

– Prolateral arm of embolic stalk (PAE) lacks lateral folding, median arm of embolic stalk (MAE) large ( Fig. 12A, C ; Prajapati et al. 2021: fig. 18)................. P. narsinhmehtai Prajapati, Hun & Raval, 2021

4. Sternum covered with long whitish setae ( Simon 1897) ............................ P. vultuosus Simon, 1897

– Sternum lacks covering of long whitish setae ( Figs 3H , 8H )............................................................ 5

5. Receptacles (RE) sac-like, posterior part of receptacles (PRE) flat and strongly twisted ( Fig. 6E ).... ............................................................................................................................. P. godawan sp. nov.

– Receptacles (RE) balloon-shaped or reniform, posterior part of receptacles (PRE) cylindrical and weakly twisted ( Fig. 11E ; Prajapati et al. 2021: fig. 20) ................................................................... 6

6. Receptacles (RE) balloon-shaped, accessory glands (AG) originate distolaterally to posterior part of receptacles (PRE) ( Figs 10F , 11E )........................................................................ P. maldhok sp. nov.

– Receptacles (RE) reniform, accessory glands (AG) originate medially to posterior part of receptacles (PRE) ( Prajapati et al. 2021: fig. 20) ....................................................................... P. narsinhmehtai

Figures

Fig. 6.Palpimanus godawan Tripathi & Sankaran sp. nov., left palp of holotype, ♂ (NRC-AA-4169) (A–C) and epigastral scutum and endogyne of paratype, ♀ (NRC-AA-4170) (D–E). A. Prolateral view. B. Ventral view. C. Retrolateral view. D. Epigastral scutum, ventral view. E. Endogyne, dorsal view. Abbreviations: AG = accessory gland; B = bulb; Cy = cymbium; DAE = dorsal arm of embolic stalk; ES = embolic stalk; MAE = median arm of embolic stalk; MFE = mediolateral fold of epigastral scutum; PAE = prolateral arm of embolic stalk; PFE = posterior fold of epigastral scutum; PRE = posterior part of receptacle; RAE = retrolateral arm of embolic stalk; RE = receptacle. Scale bars: A–C, E = 0.2 mm; D = 0.5 mm.

Fig. 11.Palpimanus maldhok Kuni, Tripathi & Sankaran sp. nov., left palpof holotype, ♂ (NRC-AA-4176) (A–C) and epigastral scutum and endogyne of paratype, ♀ (NRC-AA-4177) (D–E). A. Prolateral view. B. Ventral view. C. Retrolateral view. D. Epigastral scutum, ventral view. E. Endogyne, dorsal view. Abbreviations: AG = accessory gland; B = bulb; Cy = cymbium; DAE = dorsal arm of embolic stalk; ES = embolic stalk; MAE = median arm of embolic stalk; MFE = mediolateral fold of epigastral scutum; PAE = prolateral arm of embolic stalk; PFE = posterior fold of epigastral scutum; PRE = posterior part of receptacle; RAE = retrolateral arm of embolic stalk; RE = receptacle. Scale bars: A–C, E = 0.2 mm; D = 0.5 mm.

Fig. 12. Palpimanus narsinhmehtai Prajapati, Hun & Raval, 2021, copulatory organs of the holotype, ♂ (A–C) and paratype, ♀ (D). A–B. Left palp. A. Ventral view. B. Retrolateral view. C. Left bulb, ventroretrolateral view. D. Endogyne, dorsal view. Scale bars: A–B = 0.5 mm; C–D = 0.1 mm. © Dhruv A. Prajapati.

Fig. 3. Palpimanus godawan Tripathi & Sankaran sp. nov., paratype, ♀ (NRC-AA-4170). A–D. Habitus. A. Dorsal view. B. Ventral view. C. Retrolateral view. D. Frontal view. E. Eye group, dorsal view. F. Fovea, dorsal view. G. Labium and endites, ventral view. H. Prosoma showing sternum, ventral view. I. Opisthosoma, dorsal view. J. Same, showing various ventral scuta, ventral view. K. Posterior part of opisthosoma showing spinnerets, ventral view. L. Left palp, retrolateral view. Abbreviations: DMS = dot-like median scutum; ES = epigastral scutum; SS = stripe-like scutum. Scale bars: A–C, J = 1 mm; D–I, K–L = 0.5 mm.

Fig. 8. Palpimanus maldhok Kuni, Tripathi & Sankaran sp. nov., paratype, ♀ (NRC-AA-4177). A– D. Habitus. A. Dorsal view. B. Ventral view. C. Retrolateral view. D. Frontal view. E. Eye group, dorsal view. F. Fovea, dorsal view. G. Labium and endites, ventral view. H. Prosoma showing sternum, ventral view. I. Opisthosoma, dorsal view. J. Same, showing various ventral scuta, ventral view. K. Posterior part of opisthosoma showing spinnerets, ventral view. L. Left palp, retrolateral view. Abbreviations: DMS = dot-like median scutum; ES = epigastral scutum; SS = stripe-like scutum. Scale bars: A–C = 1 mm; D, H–J = 0.5 mm; E–G, K–L = 0.2 mm.

Fig. 10.Palpimanus maldhok Kuni, Tripathi & Sankaran sp. nov.,left palpof holotype, ♂ (NRC-AA-4176) (A–C) and epigastral scutum and endogyne of paratype, ♀ (NRC-AA-4177) (D–F). A. Prolateral view. B. Ventral view. C. Retrolateral view. D. Epigastral scutum intact, ventral view. E. Same, after clearing, ventral view. F. Endogyne, dorsal view. Scale bars: A–D, F = 0.2 mm; E = 0.5 mm.