Therlinya bellinger, Gray & Smith, 2002

Gray, Michael R. & Smith, Helen M., 2002, Therlinya, a new genus of spiders from eastern Australia (Araneae: Amaurobioidea), Records of the Australian Museum 54 (3), pp. 293-293 : 303

Therlinya bellinger n.sp.

Figs. 7a–d , 12

Type material. AUSTRALIA: NEW SOUTH WALES HOLOTYPE: Ƌ, KS60708 ( AMS), Bellingen area, Horseshoes Rd c. 1.5 km NNE Killiecrankie Mountain, 30°31'22"S 152°32'59"E, M. R. Gray , 11 Nov. 1999 , ex earth bank as juvenile, matured early Jan. 2000. PARATYPES: ♀, KS59584, data as holotype except mature with eggsac in retreat ; ♀, KS60711, Bellinger River SF, NW Thora, 30°25'03"S 152°45'30"E, 12 Nov. 1999 , M. R. Gray & H.M. Smith, sheet web in bank .

Diagnosis. CL 3.92–4.20. Separated from all species except T. foveolata by basal position of tegular lobe and the absence of an epigynal scape; from T. foveolata by the dorsal position of the RTA and the absence of a pit-like epigynal fossa.

Male (holotype). BL 8.21, CL 3.92, CW 2.65, CapW 1.76, EGW 1.08, LL 0.65, LW 0.55, SL 1.84, SW 1.51. Legs: 1423 (I 16.90, II 14.49, III 12.20, IV 14.90); ratio tibia I length:CW = 1:0.64. Male palp: Fig. 7a,b . Cymbium with moderately developed retrolateral flange. Bulb longer than wide, tegular lobe basal. Embolus origin probasal. Stem of T-shaped conductor anteriorly directed, posterior limb prolateral-apical, anterior limb gently curved upward; tegular window prolateral. RTA dorsad, visible in ventral view; RVTA moderately long with broad, beak-like apex.

Female (KS59584). BL 8.61, CL 3,92 (3.92–4.20), CW 2.65, CapW 1.84, EGW 1.12, LL 0.63, LW 0.63, SL 1.73, SW 1.45. Standard colour pattern. Legs: 1423 (I 13.83, II 11.67, III 9.75, IV 12.08); ratio tibia I length:CW = 1:0.77. Epigynum ( Fig. 7c ) without scape or fossa, sclerotised with a median, slightly depressed area, and two anterior copulatory openings separated by a low hair-tufted prominence. Internal genitalia ( Fig. 7d ) with extremely short copulatory ducts.

Distribution. Bellingen region, northern New South Wales.

Etymology. The specific name is a noun in apposition referring to the type locality.

Figures

Figure 7. Therlinya bellinger. a,b, male palp (holotype): a, ventral, b; retrolateral. c–d, epigynum: c, ventral; d, dorsal—internal genitalia (c, KS59584; d, KS60711). Scale lines 0.5 mm: vertical, a,b; horizontal, c,d.

Figure 12. Distribution of Therlinya species:northern New South Wales and southeast Queensland. A T. wiangaree, Δ T. vexillum, * T. horsemanae, O T. ballata, Z T. bellinger.