Cryptoerithus halli, Platnick & Baehr, 2006

Platnick, N. I. & Baehr, B., 2006, A Revision Of The Australasian Ground Spiders Of The Family Prodidomidae (Araneae: Gnaphosoidea), Bulletin of the American Museum of Natural History 2006 (298), pp. 1-287 : 252-253

Cryptoerithus halli , new species Figures 600–604; Map 42

TYPE: Male holotype taken in dry pitfall trap at Woodleigh Station , 26 ° 139S, 114 ° 359E, Western Australia (Oct. 9–14, 1994; M. Harvey), deposited in WAM (T44904) .

ETYMOLOGY: The specific name honors Mr. N. Hall, an avid collector of spiders for the Western Australian Museum.

DIAGNOSIS: Males resemble those of C. nonaut but have a trifid tip on the retrolateral tibial apophysis (fig. 602); females have an angular epigynal hood (fig. 603).

MALE: Total length 4.06. Carapace 1.62 long, 1.42 wide, 0.58 high, length/width 1.14; sternum 1.10 long, 0.90 wide, length/width 1.22; abdomen 2.44 long, 1.34 wide; coxa I 0.60 long; relative length of coxae I–IV 1:0.93:0.83:1.23. Carapace, sternum, mouthparts, legs pale; abdomen pale, dorsally with weak orange brown scutum, dark horizontal bands. Eye group width 0.71 of head width; AME 0.14; ALE 0.14; PME 0.18; PLE 0.10; AME–AME 0.04; AME–ALE 0.04; PME– PME 0.01; PME–PLE 0.04; ALE–PLE 0.06; eye group AME–PME 0.34; AME–AME 0.32; PME–PME 0.34. Clypeus 0.10 high. Abdomen with plumose setae, ventrally with two longitudinal rows of stiff, erect setae; ALS 0.30 of abdominal length, about their diameter apart. Metatarsi, tarsi I, II with scopula. Palp (figs. 600–602): cymbium with dorsoapical scopula; conductor originating prodistally, short, straight, with sharp tip; median apophysis cane-shaped, about twice as long as wide; terminal apophysis short, conical, prolaterally situated; sperm duct weakly s-shaped; embolus thin, semicircular, with embolar denticle, originating prolaterally; retrolateral tibial apophysis long, straight, with trifid tip, dorsobasal apophysis; femur with ventral process.

FEMALE: Total length 3.78. Carapace 1.54 long, 1.32 wide, 0.60 high, length/width 1.16; sternum 1.14 long, length/width 1.26; abdomen 2.24 long, 1.04 wide; coxa I 0.58 long; relative length of coxae I–IV 1:0.89: 0.86:1.21. Coloration as in male. Eye group width 0.66 of head width; AME 0.11; ALE 0.10; PME 0.16; PME–PME 0.00; eye group AME–PME 0.32; AME–AME 0.26; PME– PME 0.26. Clypeus 0.04 high. ALS 0.31 of abdominal length. Epigynum (figs. 603, 604) with angular epigynal hood, lateral plates widely separated, laterally directed; spermathecae not contiguous, oval, twisted.

OTHER MATERIAL EXAMINED: Western Australia: Bush Bay , 25 ° 059S, 113 ° 439E, Jan. 16– May 23, 1995, pitfall (P. West, WAM T44900), 1 Oi ; Bush Bay , 25 ° 079S, 113 ° 489E, May 23–Aug. 23, 1995, pitfall (N. Hall, WAM T44899), 1 Oi ; Cunderdin Road , NE Mukinbudin, 30 ° 389S, 118 ° 299E, Sept. 15, 1998 – Oct. 25, 1999, pitfall (P. Van Heurck, WAM T49530), 1 Oi ; Kennedy Range National Park , 24 ° 319S, 114 ° 589E, May 29–Aug. 28, 1995, pitfall (N. Hall, WAM T44901), 1 Oi ; Lake Goorly , 29 ° 509S, 116 ° 579E, Sept. 15, 1998 – Oct. 25, 1999, pitfall (L. King, WAM T51178), 1 Oi ; Nanga Station , 26 ° 319S, 114 ° 009E, Aug. 23– Oct. 16, 1994, pitfall (P. West, WAM T44902), 1 Oi ; Nerren Nerren Station , 27 ° 009S, 114 ° 329E, May 11–Aug. 18, 1995, pitfall (N. Hall, WAM 99 /666), 1♀ ; Nerren Nerren Station , 27 ° 039S, 114 ° 359E, Aug. 25–Oct. 16, 1994, pitfall (J. Waldock, WAM T44990), 1♀, May 11–Aug. 18, 1995, pitfall (N. Hall, WAM T44903), 1 Oi ; Woodleigh Station , 26 ° 129S, 114 ° 259E, Aug. 22–Oct. 10, 1994, pitfall (M. Harvey, WAM T44905), 1 Oi ; Zuytdorp , 27 ° 169S, 114 ° 019E, Aug. 26–Oct. 15, 1994, pitfall (A. Sampey, WAM T44991), 1♀ .

DISTRIBUTION: Known only from Western Australia (map 42).