Habronestes bicornis, Baehr, 2003

Baehr, Barbara, 2003, Revision of the Australian Spider Genus Habronestes (Araneae: Zodariidae). Species of New South Wales and the Australian Capital Territory, Records of the Australian Museum 55 (3), pp. 343-376 : 359-360

Habronestes bicornis n.sp.

Figs. 55 , 74, 75 , 142

Type material. HOLOTYPE 3: NSW, Wilganea Station 5.5 km NW of homestead 90 km N of Bourke, 29°21'16"S 146°16'59"E, 13.iii.1993, open woodland, Mulga, Bimblebox, Silverleafed Ironbark, 9–16 Mar 1993, L.

Gibson, AM KS83933 . PARATYPES , all same data as holotype: 533 AM KS45257 , 13 QM S60826 , 13 AM KS45258 , 13 AM KS45259 , 433 AM KS45264 .

Diagnosis. Eyes in circular group around AME, AME smallest, other eyes subequal. Abdomen with 3 pairs of white patches on anterior part and 3 or 4 patches in front of spinnerets. Palp, DTiA basally longer than tibia. LTA retrolaterally with 2 horns.

hunti n.sp.; (66) Habronestes piccolo n.sp.; (67) Habronestes pictus (Koch) . Scales 1 mm.

Description. Male (holotype). Total length 4.92; carapace 2.56 long, 2.00 wide; 1.08 high; cl/cw 1.28; sternum 1.20 long, 1.04 wide; sl/sw 1.15. Abdomen 2.36 long, 1.68 wide. Colour. Carapace sepia brown, iridescent; sternum sepia brown; chelicerae medium brown; maxillae and labium medium brown, distally white. Abdomen sepia brown with 3 pairs of white patches on anterior part and 3 or 4 patches in front of spinnerets; laterally with 2–3 long and broad white patches. Legs medium brown; clearly annulated; leg I, as legs II–IV but sepia brown femur; legs II–IV, white coxa, distally sepia brown, sepia brown trochanter, proxima1 1 3 –½ of femora white and distally sepia brown with darker brown lateral stripes on patella and tibia. Eyes. In circular group around AME.AME smallest, other eyes equal. Eye group width 0.68 of headwidth; AME 0.10;ALE 0.18; PME 0.18; PLE 0.18;AME–AME 0.04; AME–ALE 0.08; ALE–PLE 0.10; PME–PME 0.06; PME– PLE 0.10. MOQ: AME–PME 0.44; AME–AME 0.24; PME– PME 0.42. Clypeus & chilum. Clypeus 0.52 high; chilum undivided, long. Legs. Length formula 4123; femora I, II with 1 row, femora III, IV with 2 rows of long, thin setae ventrally. Male palp ( Figs. 74, 75 ). RCF deep, 2 3 cymbium length, cymbium with weak dorsal scopula and 4 strong spines apically; LTA with a thick, short vertical stalk, an irregular horizontal plate and 2 horns retrolaterally; DTA with a thin stalk; VTA broad, with sharp tip. Tibia short; DTiA large, basally longer than tibia, directed proximally with extremely deep concavity; VTiA ( Fig. 75 ).

Female. Unknown.

Distribution. Known only from type locality in northwestern New South Wales ( Fig. 142 ).

Etymology. Species name is chosen because of the two horns on the retrolateral part of the LTA in the male palp.

Figures

Figs. 54–58. Habronestes pictus species-group body, dorsal view: (54) Habronestes monocornis n.sp.; (55) Habronestes bicornis n.sp.; (56) Habronestes jocquei n.sp.; (57) Habronestes raveni n.sp.; (58) Habronestes giganteus n.sp. Scales 1 mm.

Figs.74–79. Habronestes pictusspecies-group malepalps,ventralview (above),lateralview (below).(74,75) Habronestes

Figs. 138–143. New South Wales, showing collection localities: (138) species of Habronestes australiensis species-group; (139) species of Habronestes macedonensis species-group; (140–143) species of Habronestes pictus species-group.