Lampona yanchep, 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 : 78-79

Lampona yanchep , new species

Figures 158–161 ; Map 16

TYPE: Male holotype taken in pitfall trap at Yanchep , 318339S, 1158419E, Western Australia (Feb. 2, 1978; S. Curry), deposited in WAM (95/1106) .

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

DIAGNOSIS: Males resemble those of L. taroom in having a subbasal knob protruding from the ventral surface of the palpal femur, but have a shorter retrolateral tibial apophysis (fig. 159); females also resemble those of L. taroom in having an anterior epigynal excavation, but have the excavation wider and less clearly demarcated posteriorly (fig. 160).

MALE: Total length 7.9. Coloration as in L. cylindrata except white markings on abdominal dorsum connected laterally. Palpal femur with subbasal knob protruding from ventral surface; retrolateral tibial apophysis relatively long, triangular (fig. 159); tegulum globose, extending to one­half length of tibia, embolar base long, gradually narrowed toward tip, prolateral lobe of conductor extending behind embolus (fig. 158).

FEMALE: Total length 6.1. Coloration as in male except posterior portion of abdominal dorsum also with white chevrons. Epigynal atrium almost conical, depressed anteriorly (fig. 160); spermathecae short, tripartite (fig. 161).

OTHER MATERIAL EXAMINED: Western Australia: Mount Cooke , 328259S, 1168189E, Feb. 17, 1991, along gully at base of mountain, under log (M. Harvey, WAM 95 /1108), 1 /; Wexcombe, W side Talbot Road , outside NE corner of reserve, 318529S, 1168039E, May 10–June 24, 1993, pitfall (M. Harvey, J. Waldock, WAM 95 /1107), 1 ?.

DISTRIBUTION: Southwestern Australia (map 16).

Figures

Map 16. Records of Lampona yanchep, new species (circles), L. taroom, new species (square), and L. allyn, new species (triangles).

Figs. 158–161. Lampona yanchep, new species. 158. Left male palp, ventral view. 159. Same, retrolateral view. 160. Epigynum, ventral view. 161. Same, dorsal view.