Mitrager globiceps Lin & Lopardo & Uhl, 2022

Lin, Shou-Wang, Lopardo, Lara & Uhl, Gabriele, 2022, Evolution of nuptial-gift-related male prosomal structures: taxonomic revision and cladistic analysis of the genus Oedothorax (Araneae: Linyphiidae: Erigoninae), Zoological Journal of the Linnean Society 195, pp. 417-584 : 503-504

MITRAGER GLOBICEPS ( THALER, 1987) COMB. NOV.

( FIGS 38I , 39I , 40I , 51 ; SUPPORTING INFORMATION, FIG. S4G )

Oedothorax globiceps Thaler, 1987: 36 , figs 16–21 (Dm). Type material: Holotype: India: Pahalgam , coniferous forest, 2400m, ♂ 14.v.1976, leg. J. Martens (SMF 33832, examined).

Diagnosis:

Males: This species shares the prosomal postocular hump and transverse groove between the hump and ocular region with M. dismodicoides , M. lineata , M. lucida , M. sexoculata , M. sexoculorum (Tanasevitch, 1998) comb. nov. and M. tholusa , but can be distinguished by the position of the PME at the lateral side of the groove (PME above the groove in M. dismodicoides , M. lineata , M. sexoculorum and M. tholusa ; PME inside the pre-PME groove in M. lucida , M. sexoculata and M. sexoculorum ).

Description:

Male (holotype, SMF 33832): Total length: 1.98. Prosoma: 0.91 long, 0.70 wide, transverse groove between PME, hump posteriorly ( Fig. 38I ). Eyes: AME- AME: 0.03, AME width: 0.04, AME-ALE: 0.04, ALE width: 0.07, ALE-PLE: 0, PLE width: 0.08, PLE-PME: 0.02, PME width: 0.06, PME-PME: 0.18. Clypeus: not hirsute. Sternum: 0.49 long, 0.52 wide. Chelicerae: mastidia absent; stridulatory striae rows widely and evenly spaced ( Fig. 39I ). Legs: Tm I: 0.85. Pedipalp: patella prolateral proximal vertical macrosetae absent; tibia with one prolateral, two retrolateral trichobothria; TPS scaly, distal-retrolaterally pointed; TPA median-sized; TRA apically oriented; PC mediansized, base not visible from dorsal view, distal setae close to distal clasp, distal clasp without striae, clasp directed apically ( Fig. 51A ); T without papillae; PT apical part with small papillae; TS short, without papillae ( Fig. 51B ); MSA present; DSA tip round; EM flat, anterior margin without papillae, approximately equals ARP in length; ARP pointed; LER without striae, extended dorsal to E; VRP absent; TP tip narrow; E retrolaterally spiral, anterior margin at base smoothly curved ( Fig. 51E, F ). Opisthosoma: dorsal pattern see Fig. 40I ; PMS with mAP, two AC; PLS with triad, 3+ AC ( Fig. 51G, H ).

Figures

Figure 4. Character transformation of selected prosomal characters reconstructed on the first among the three most- parsimonious trees generated from the analysis of Matrix II.

Figure 38. Male prosomal morphology of Clade 55 in Figure 3, lateral.A, Mitrager hirsuta (Wunderlich, 1974) (Wunderlich, 1974, fig. 8). B, M. clypeellum (Tanasevitch, 1998) (traced from photograph). C, M. elongata (Wunderlich, 1974) (Wunderlich, 1974, fig. 13). D, M. cornuta (Tanasevitch, 2015) (Tanasevitch, 2015, fig. 16). E, M. villosa (Tanasevitch, 2015) (Tanasevitch, 2015, fig. 89). F, M. angela (Tanasevitch, 1998) (Tanasevitch, 1998a, fig. 14). G, M. coronata (Tanasevitch, 1998) (Tanasevitch, 1998a, fig. 6). H, M. sexoculorum (Tanasevitch, 1998) (Tanasevitch, 1998a, fig. 19). I, M. globiceps (Thaler, 1987) (traced from photograph). J, M.lineata (Wunderlich, 1974) (traced from photograph).K, M. dismodicoides (Wunderlich, 1974) (traced from photograph). L, M. tholusa (Tanasevitch, 1998) (Tanasevitch, 1998a, fig. 24). M, M. lucida (Wunderlich, 1974) (Wunderlich, 1974, fig. 30). N, M. sexoculata (Wunderlich, 1974) (traced from photograph). O. M. noordami van Helsdingen, 1985 (van Helsdingen, 1985, fig. 1). P, M. unicolor (Wunderlich, 1974) (traced from photograph). Q, M. rustica (Tanasevitch, 2015) (Tanasevitch, 2015, fig. 75). R, M. assueta (Tanasevitch, 1998) (Tanasevitch, 1998a, fig. 1). S, M. malearmata (Tanasevitch, 1998) (Tanasevitch, 1998a, fig. 50). T, M. savigniformis (Tanasevitch, 1998) (Tanasevitch, 1998a, fig. 40). U, M. falcifer (Tanasevitch, 1998) (Tanasevitch, 1998a, fig. 46). V, M. modesta (Tanasevitch, 1998) (Tanasevitch, 1998a, fig. 36). W, M. lopchu (Tanasevitch, 2015) (traced from photograph). X, M. falciferoides (Tanasevitch, 2015) (Tanasevitch, 2015, fig. 35).

Figure 39. Male chelicerae, stridulatory striae on lateral side. A, Mitrager hirsuta. B, M. clypeellum. C, M. elongata. D, M. cornuta. E, M. villosa. F, M. angela. G, M. coronata. H, M. sexoculorum. I, M. globiceps. J, M. lineata. K, M. dismodicoides. L, M. tholusa. M, M. lucida. N, M. sexoculata. O, M. noordami. P,M. unicolor. Q, M. rustica. R, M. assueta. S, M. savigniformis. T, M. falcifer. U, M. modesta. V, M. falciferoides. Scale bars 0.05 mm.

Figure 40. Opisthosoma, dorsal view. A–L, N–Y, male; D, female. A, Mitrager hirsuta (Wunderlich, 1974). B, M. clypeellum (Tanasevitch, 1998). C, M. elongata (Wunderlich, 1974). D, M. cornuta (Tanasevitch, 2015). E, M. villosa (Tanasevitch, 2015). F,M. angela (Tanasevitch, 1998). G, M. coronata (Tanasevitch, 1998). H, M. sexoculorum (Tanasevitch, 1998). I, M. globiceps (Thaler, 1987). J, M. lineata (Wunderlich, 1974). K, M. dismodicoides (Wunderlich, 1974). L, M. tholusa (Tanasevitch, 1998), holotype. M, ‘M. tholusa’, paratype (not conspecific with holotype). N, M. lucida (Wunderlich, 1974). O, M. sexoculata (Wunderlich, 1974). P,. M. noordami van Helsdingen, 1985. Q, M. unicolor (Wunderlich, 1974). R, M. rustica (Tanasevitch, 2015). S, M. assueta (Tanasevitch, 1998). T, M. savigniformis (Tanasevitch, 1998), paratype. U, M. savigniformis, holotype. V, M. falcifer (Tanasevitch, 1998). W, M. modesta (Tanasevitch, 1998). X, M. lopchu (Tanasevitch, 2015). Y, M. falciferoides (Tanasevitch, 2015). Scale bars 0.1 mm.

Figure 51. Mitrager globiceps (Thaler, 1987). A–D, male right palp, images flipped horizontally. A, retrolateral view. B, prolateral view. C, dorsal view. D, ventral view. E, F, embolic division. E, retrolateral view. F, prolateral view. G, male posterior median spinnerets and left posterior lateral spinneret. H, male left posterior lateral spinneret, dorsal view. Scale bars 0.1 mm.