Jamberoo actensis, Gray & Smith, 2008

Gray, Michael R. & Smith, Helen M., 2008, A New Subfamily of Spiders with Grate-shaped Tapeta from Australia and Papua New Guinea (Araneae: Stiphidiidae: Borralinae), Records of the Australian Museum 60 (1), pp. 13-44 : 31

Jamberoo actensis n.sp.

Figs 8a , 11a–e

Type material. Australian Capital Territory: HOLOTYPE:?, KS76978, 1 km SW of Gibraltar Falls on Corin Dam Rd , Tidbinbilla Ra, 35°28'S 148°57'E, 10 Dec. 1977, M.R. Gray, sheet web on log . PARATYPE:!, KS60770, data as for holotype.

Diagnosis. Like J. johnnoblei but differs as follows: distal cymbium short and coniform; palpal bulb broader; TL more retrobasally placed; and epigynal fossae broadest anteriorly.

Description

Male (holotype). BL 6.65, CL 3.18, CW 2.24, CapW 1.31, EGW 0.90, LL 0.45, LW 0.47, SL 1.49, SW 1.33. Legs: 1243 (I: 15.35; II: 12.65; III: 10.45; IV: 12.61); ratio tibia I length:CW = 1:0.57. Male palp ( Fig. 11a,b ). Cymbium apex short coniform. Bulb subcircular, about as wide as long. Conductor with a short prolateral limb, about half as long as retrolateral limb. TW long, prolateral to basal. TL retro-basal with prolateral margin rounded. Sclerotized MA process similar to J. johnnoblei .

Female (KS60770). BL 7.96, CL 3.35, CW 2.12, CapW 1.55, EGW 0.98, LL 0.57, LW 0.55, SL 1.61, SW 1.41. Legs: 1423 (I: 13.18; II: 11.18; III: 9.47; IV: 11.63); ratio tibia I length:CW = 1:0.64. Epigynum ( Fig. 11c–e ). Fossae relatively large and broadest anteriorly. Median septum short and wide, tapering and rising posteriorly as an ovoid protuberance, about as long as the anterior septum. Internal genitalia similar to J. johnnoblei .

Distribution. Known only from the type locality.

Etymology. The species name is taken from the acronym for the Australian Capital Territory (ACT).

Figures

Fig. 8. Distribution records: (a), Jamberoo spp.: J. johnnoblei, d; J. boydensis, h; J. actensis, p; J. australis, s. (b), Couranga spp.: C. kioloa, d; C. diehappy, h. (c), Karriella spp.: K. treenensis, N; K. walpolensis, s. (d), Elleguna spp.: E. major, n; E. minor, d. (e), Asmea spp.: A. akrikensis, p; A. hayllari, s; A. capella, h; A. mullerensis, N.

Fig. 11. Jamberoo actensis. (a,b), male palp (holotype): a, ventral; b, retrolateral. (c–e), epigynum (KS60770): c, ventral; d, lateral; e, dorsal—internal genitalia. Scale lines 0.5 mm: upper, a,b; lower, c–e.