Lampona ampeinna, PLATNICK, 2000

PLATNICK, NORMAN I., 2000, A Relimitation And Revision Of The Australasian Ground Spider Family Lamponidae (Araneae: Gnaphosoidea), Bulletin of the American Museum of Natural History 2000 (245), pp. 1-328 : 91-93

Lampona ampeinna , new species

Figures 194–197 ; Map 20

TYPE: Female holotype taken in pitfall trap 10.2 km E Ampeinna Hills, 278059S, 1318149E, South Australia (Mar. 19 –23, 1995), deposited in SAM (N1996/448 ).

ETYMOLOGY: The specific name is a noun in apposition taken from the type locality.

DIAGNOSIS: This species seems to represent a northeastern vicar of L. quinqueplagiata and L. dwellingup ; males lack the pronounced protrusion on the palpal femur and have a recurved tip on the retrolateral tibial apophysis (fig. 195); females have an anteriorly widened epigynal midpiece and short­ er, more angular lateral epigynal margins (fig. 196).

MALE: Total length 5.7. Abdominal dorsum with only posterior spot pronounced, anterior and median stripes reduced to small, elongate ovals; coxae and anterior femora red, other leg segments orange, unmarked. Palpal femur relatively small, with only slight ventral expansion; retrolateral tibial apophysis triangular, with recurved tip (fig. 195); tegulum globose, extending to onethird length of tibia, embolar base short, wide, triangular, tegulum extending behind embolus and conductor (fig. 194).

FEMALE: Total length 9.5. Coloration as in male, with anterior and median abdominal stripes sometimes connected longitudinally. Epigynum with anteriorly widened, v­shaped midpiece, lateral margins short, angular (fig. 196); spermathecal bulbs round, situated on extremely long, medially situated, anteriorly expanded ducts (fig. 197).

OTHER MATERIAL EXAMINED: Northern Territory: Helen Springs Station, Barkly Tableland , 188269S, 1338529E, Mar. 1996, pitfall (A. Fisher, CSID A0444 ), 1 ?; Jabiru Residency , 128419S, 1328539E, May 28, 1992, head torch at night (M. Harvey, J. Waldock, WAM 95 /1074), 1 ?; Mudginberri , 128359S, 1328539E, Oct. 11, 1977 (R. Pengilley, NTM T025 ), 1 ?; Ormiston Gorge, 238379S, 1328439E, Oct. 1994 (T. Churchill, ex QMB 34288), 1?. Queensland: Quamby, 208229S, 1408179E (J. Williams, AMS KS17484 ), 1/. South Australia: 3.8 km SSE Cordillo Downs, 268449S, 1408389E, Nov. 5, 1994, pitfall (R. Brandle, SAM N1996 /450), 1?. Victoria: 4.8 km E Hattah­ Kulkyne National Park , 348389S, 1428209E, Feb. 6, 1970, Berlese, roadside mallee (R. Taylor, QMB), 1/. Western Australia: Boodarie Hill area , c. 15 km SW Port Hedland, 208249S, 1188319E, Oct. 11–17, 1994, dry pitfall (G. Harold, J. Dell, WAM 95 / 1070), 1 /; Canning Stock Route, Well 33, 228209S, 1248459E, Aug. 4, 1987 (A. De Jong, WAM 95 /1071), 1 /; Drysdale River Station , 158429S, 1268239E, Mar. 10, 1994, under airfield runway marker (A. Longbottom, WAM 95 /1073), 1 ?; Enderby Island , 208369S, 1168299E, Aug. 18, 1985 (R. Mc­ Millan, WAM 95 /1072), 1 /; 2.5 km S Great Northern Highway on Tanami Track , 188309S, 1278309E, May 10, 1994, under tire in gravel pit (A. Longbottom, WAM 96 /238), 1 /; Lake Cohen , 248279S, 1258029E, July 18, 1982 running on sparse mulga litter (B. Muir, WAM 95 /1069), 1 /; 39 km E Laverton , 288289S, 1228509E, Nov. 22–24, 1990, pitfall (E. Pianka, WAM 96 /239), 1 /; Woodstock Station , 218379S, 1188579E, Oct. 25, 1990, under spinifex (M. Harvey, WAM 95 /1068), 1 /; Woodstock Station , 218379S, 1188599E, Oct. 31, 1990, pitfall (M. Harvey, WAM 95 / 1067), 1 ?.

DISTRIBUTION: Widespread in western and central Australia (map 20).

Figures

Map 20. Records of Lampona dwellingup, new species (circles) and L. ampeinna, new species (squares).

Figs. 194–197. Lampona ampeinna, new species. 194. Left male palp, ventral view. 195. Same, retrolateral view. 196. Epigynum, ventral view. 197. Same, dorsal view.