63 



the face, leaving a whitish patch between theni. Antennae 

 blackish with delicate-pale rings, base pale. Pronotum anteriorly 

 with three slender, black, curved striae in the disk on each side ; 

 also some irregular black spots and points behind. Elytra narrow, 

 apex rounded, pale-grey; radial vein narrow deep black at the 

 base, paler beyond the middle, with thinly-scattered brownish and 

 blackish speckles along the veins. Wings whitish, pellucid. 

 Abdomen above with pale lateral margin, segments with indis- 

 tinct dusky bands, and brownish, submarginal vittse. Legs with 

 the exterior margin narrowly brown. Ventral segments with 

 numerous minute asperous points, whitish; a marginal row of 

 minute black dots, and short, submarginal, deep brown streaks, 

 viz., two obliquely jDlaced to each other on each segment ; also 

 two small black spots near the median line on the penultimate 

 segment. Supra-anal lamina pale, pellucid, rather deeply emargin- 

 ate. Cerci slightly longer, testaceous. 



Female. — Pale ochraceous. Head with a piceous band at 

 A'ertex, one across the middle of the face and one across the 

 labrum, the two latter sometimes united in the middle, or out- 

 line indistinct. Antennae brownish or ferruginous. Dorsal 

 segments asperous or rugose, with numerous raised tubercles and 

 impressed dots, many of the former with recurved sharp points. 

 Pronotum nearly straight behind, with pale margins in front and 

 laterally ; disk with indistinct, dusky blotches ; hindmargin 

 with the typical raised vittae. Elytra lobiform, subacuminate. 

 Meso- and meta-notum, also abdominal segments, broadly but 

 faintly darker behind. Legs with the coxa3 marked with black 

 anteriorily. Abdomen with ventral segments bordered brownish 

 behind ; fine longitudinal, interrupted bands, formed by dark 

 blotches ; lateral margin broadly blackish, and submarginal band 

 of a round spot and an oblique streak. Supra-anal lamina 

 broad, emarginate, with two dusky, inverted semicircular lines. 

 Subgenital plate with four blackish spots, a medial and two 

 lateral blackish lines converging to apex. Cerci very short, pale. 



Larv-^ similar to female, much paler, and the longitudinal 

 markina's more distinct. 



Habitat. — Western Plains, The Peak, Angebuckina (Driffield)^ 

 Yorke's Peninsula, South Australia ; Eyre's Sandpatch near 

 Eucla, Western Australia. S.A. Museum. The species differs 

 from all others by the pale colour, and the asperous dorsal surface. 



