Tylorida, Simon, 1894

Sankaran, Pradeep M., Malamel, Jobi J., Joseph, Mathew M. & Sebastian, Pothalil A., 2017, On the genus Tylorida Simon, 1894 with the first record of the genus Atelidea Simon, 1895 from India (Araneae: Tetragnathidae, Leucauginae), Zootaxa 4353 (2), pp. 294-326 : 296

Key to species of Indian Tylorida spp. based on the features of male chelicerae

(Male of T. flava is excluded as adults are unknown)

1a. Cheliceral retromargin with tubercles ( Fig. 12A, H ).......................................................... 2

1b. Cheliceral retromargin without tubercles ( Fig. 12F )............................................... Tylorida striata

2a. Cheliceral retromargin basally with a large, slightly bifid tubercle, basal promarginal tooth without swollen base, promargin without any tubercles ( Fig. 12A, C )............................................... Tylorida marmorea comb. nov.

2b. Cheliceral retromargin basally with a large, bluntly rounded tubercle, basal promarginal tooth with swollen base, promargin basally with a tiny tubercle, ( Figs 12H , 17E, J, O ................................................ Tylorida ventralis

Figures

FIGURE 12A–K. Left chelicerae of Tylorida spp. and Orsinome cf. vethi (Hasselt, 1882). A–E Left chelicerae of Tylorida marmorea (Pocock, 1901) comb. nov.: A Male (High altitude form), prolateral; B Female (High altitude form), prolateral; C Male (Low altitude form), prolateral; D Female (Low altitude form), prolateral; E Orginal drawings of male and female cheliceraeadopted from Gravely(1921) without modification; F–G Left chelicerae of Tylorida striata (Thorell, 1877):F Male, retrolateral; G Female, prolateral; H–I Left chelicerae of Tylorida ventralis (Thorell, 1877): H Male, prolateral, arrow indicates tiny tubercle; I Female,ventro-retrolateral;J–K Left cheliceraeof Orsinome cf.vethi: J Male, retrolateral; K Female,prolateral. Scale bars A–B, H–I, 1 mm; C–D, 0.5 mm; F–G, 0.2 mm; J–K, 0.5 mm; E, not to scale.

FIGURE 17A–O. Tylorida ventralis (Thorell, 1877): male left pedipalp illustrating intraspecific variations and left chelicerae. A–E variety I from Edappady, Kottayam:A–D Left pedipalp:A prolateral; B ventral; C retrolateral; D dorsal; E Left chelicera, prolateral; F–J variety II from Pathiramanal Island, Alappuzha: F–I Left pedipalp: F prolateral; G ventral; H retrolateral; I dorsal; J Left chelicera, prolateral; variety III from Perumbalam, Alappuzha: K–N Left pedipalp: K prolateral; L ventral; M retrolateral; N dorsal; O Left chelicera, prolateral. Scale bars A–D, 0.5 mm; E, 1 mm;F–O, 0.5 mm.