Papuaneon werrikimbe, Richardson, 2022

Richardson, Barry J., 2022, The jumping spider genus Papuaneon Maddison, 2016 (Araneae: Salticidae) in Australia, Zootaxa 5150 (1), pp. 129-147 : 143-146

Papuaneon werrikimbe n. sp.

Figs 53–64

Type material. Holotype: ♀, Werrikimbe N.P., New South Wales, 152.23°E, 31.25°S, R. Kitching, Jan. 1994 ( ANIC 42 002236) . Paratypes: New South Wales: 1♂ 2♀, Werrikimbe N.P., 152.23°E, 31.25°S, R . Kitching, Jan. 1994 ( ANIC 42 001387) ; 2♀, 1 imm., Werrikimbe N.P., 152.23°E, 31.25°S, R . Kitching, Dec. 1990 ( ANIC 42 001394) ; 4♀, Werrikimbe N.P., 152.23°E, 31.25°S, R . Kitching, Dec. 1990 ( ANIC, 42 001393) ; 1♀, Werrikimbe NP, new site, 152.17°E, 31.2°S, E. Tasker, Jan , 1998 ( AMS KS 121189) .

Other material examined: 1♀, Point Lookout , New England N.P., 152.42°E, 30.48S, I.D. Naumann, 12 Feb. 1984 ( ANIC 42 001455) .

Etymology: Refers to the name of the type locality, treated as a noun in apposition.

Diagnosis: Lateral receptacles of the spermathecae do not extend forwards beside the atria. Lateral spermathecal receptacles are much larger than the medial receptacles with a curved transverse cleft between them. Atria, including copulatory openings, are close together and directly anterior to the medial spermathecal receptacle, and are much larger than the medial receptacle. The guides are well developed and sclerotised. Abdomen has large lateral bulges. Clypeal fringe is white and sparse. Palps are white with covering of white hairs. The metatarsus is rounded and vaguely paddle-shaped with a spine-like projection on the proximal, posterior edge, but has no dark spines. The males have a short, thick and white clypeal fringe. The patella and tibia of L1 have a sparse ventral fringe. The palp is mid brown, grading to light brown distally, the cymbium is off-white. Tibial apophysis is short, pointed and pointing directly away from the tibia. Embolus arises from a triangular mound partially hidden behind a tegular shelf. It then passes in a transverse/distal direction parallel to the distal edge of the tegulum before curving gently away for a short distance.

Description. Female: Cephalothorax mid to dark brown. Surrounds of ALE, PME and PLE, darker. Pars thoracica without markings. Clypeus narrow, mid-brown, with a very thin fringe of gray hairs. Chelicerae short and broad, mid-brown. Two small, sharp promarginal tooth and one small, narrow, sharp, retromarginal tooth. Endites off-white, darker brown at base, labium dark brown. Sternum dirty brown. Dorsal abdomen heart-shaped, with large bulges on the sides, light brown with a pattern of darker stripes. Spinnerets mid brown. Ventral abdomen light brown. Palps white with covering of white hairs. The metatarsus is swollen and vaguely paddle-shaped with a short, spine-like projection on the proximal, posterior edge. Legs very light-brown with mid-brown tibia and metatarsus and darker transverse stripes. Medium sized spines, L1 stronger build than other legs, without fringes on patella or tibia but a longitudinal line of small setae on the ventral surface of the femur. Epigynum: The epigyne includes a pair of diagonally subdivided spermathecae. The lateral receptacle is much larger than the median receptacle but it does not project any further forward than the median receptacle. Small atria with strongly sclerotised guides are placed close to the anterior edge of the median receptacles. No gland was seen on the wall of the insemination. Each insemination duct includes a long loop extending forwards from the anteriomedial edge of the guides before moving laterally and posteriorly over the dorsal edge of the spermatheca before connecting close to the join between the lobes. The spermathecae are close to the epigastric fold. Fertilization ducts open onto centre of the dorsal surface of the spermatheca. Dimensions (Holotype): CL 1.35, EFL 0.7, AL 1.85, CW 1.2, AEW 1.15, AMEW 0.75, PEW 1.1, L1 2.55 (0.85+0.35+0.6+0.35+0.4), L2 2.15 (0.65+0.35+0.45+0.35+0.35), L3 1.75 (0.65+0.3+0.35+0.2+0.25), L4 2.9 (0.9+0.45+0.6+0.8+0.15).

Male: As for female except for a white short thick clypeal fringe and no small setae on the femur of L1. Palp: mid brown grading to light brown distally, cymbium off-white. Tibia with single short, block-like, tibial apophysis. Each embolus arises from a triangular mound place in the postero-lateral corner of the tegulum. It then passes parallel to the distal edge of the tegulum before curving away at about the mid-line. Dimensions (Paratype): CL 1.3, EFL 0.6, Al 1.3, CW 1.25, AEW 1.05, AMEW 0.6, PEW 1.05, L1 2.8 (1.15+0.25+0.75+0.4+0.225), L2 missing, L3 missing, L4 2.45 (0.8+0.35+0.55+0.5+0.35).

Distribution and Biology. Found in the canopy in nothofagus forest in north-eastern New South Wales. Known from a limited area of the high country in north-eastern New South Wales ( Fig. 64 ), may be at risk from climate change, present IUCN Red List Category DD.

Figures

FIGURES 53–59. Papuaneon werrikimbe n. sp. Female (42 001387A): 53 dorsal, 54 ventral, 55 lateral, 56 anterior views; epigyne (42 000997): 57 external view; semi-diagrammatic views of dissected and cleared specimen (58 dorsal, 59 ventral views). Scale: 0.2 mm.

FIGURES 60–64. Papuaneon werrikimbe n. sp. Male paratype (42 001387): 60 anterior; palp: 61 posterior, 62 ventral, 63 anterior views; 64 map showing the known distribution. Scale: 0.2 mm.