Nyssus robertsi, Raven, 2015

Nyssus robertsi View in CoL sp. nov.

( Fig. 89d, e View FIGURE 89 . Map 48)

Material. Queensland: holotype ♀, Shiptons Flat, 15°48'S, 145°15'E, rainforest, 1975, L. & C. Roberts, QM S39545 GoogleMaps .

Diagnosis. The female differs from those of N. paradoxus sp. nov. in that the diagonal septa in the epigyne strongly widen anteriorly and extends to the epigastric ridge. Male unknown.

Etymology. Named in honour of Lewis Roberts, a remarkable collector, naturalist and bushman in the Cooktown area.

Description Holotype Female QM S39545

Carapace 3.84 long, 3.04 wide. Abdomen 3.68 long, 2.24 wide, Total length 7.7.

Condition poor; abdomen contracted, hair rubbed from carapace and legs; legs faded orange brown. Chelicerae with ca. 6 thick curved setae on low fang shield. Femora III and IV with strong subdistal constriction. Three weak spines ventrally on palpal femur. Otherwise like N. paradoxus sp. nov. except abdomen ventrally pallid and contracts to darker flanks. Eyes, spines and discernible patterns similar. Tracheal spiracle papular. Epigyne: with wider diagonal septa than in N. paradoxus sp. nov.

Distribution and Habitat. Known only from rainforest at Shiptons Flat, northeastern Queensland.

MAPS 49–54. Records of Australian species of Nyssus Walckenaer,1805 and Ozcopa gen. nov.