( 158 ) 



XXXIX. llOl'lilOCNKMA f;en. iiov.— Typus : melanoU-uai . 



(??. Difters from />olfi/nnj>,s/s (S) us follows: body slenderer; aiitfiina little 

 less tliaii lialf the Ien<:;th of the forevving, of even width from near base to near 

 end, hook scarcely indicated ; ])ilifer with brush of hri>itlex and a very few scalen; 

 legs roughly scaled ; foretibia with some spines at end, besides the apical thorn ; 

 niidtibia spinose ; S( '- and H' of hindwing stalk(Ml, 11- from before centre of cell, 

 D' twice as long as I)'. 



S Tenth tergite divided at end, narrow ; sternite elongate, simple. 



?. Antenna andromorphic, the segments imjjressed laterally, with the basal 

 and apical ciliae not so long as in 6. 



Karly stages not known. 



Jlab. West Australia. 



One species. 



12(i. Hopliocnema melanoleuca spec, nov (PI. XII. f. 0, S). 



S ? . Body dark smoky grey ; head and thorax unicolorons ; abdomen with 

 a series of transverse white spots on each side, underside somewhat paler than 

 upperside ; scaling of antenna white. Here and there a shade of pink, especially 

 in the ?. 



Wings above. Forewing like thorax, with two pairs of transverse black lines, 



the jiroximal pair in basal half, the other on the disc : first line strongly curved 

 costad, forming nearly a right angle in cell, second at right angles to costa, forming 

 an obtuse angle just behind cell, third and fourth slightly convex in middle and 

 concave behind ; stigma greyish white, encircled with black ; fringe with greyish 



white ill-defined spots. Hindwing dirty white, with or without a trace of a discal 



line, fringe a little darker than wing, with minute black nerve-dots. 



r/ir/erside. Forewing densely shaded with greyish white scaling ; two discal 



lines vestigial. Hindwing as above, but with two vestigial brown lines, best 



marked at costal margin, which is more or less brown : the first line at or just 

 beyond end of cell, the second a little nearer outer margin at II' than cell ; here 

 and there some brown scales, which are more numerous in ? . 



c?. Tenth abdominal tergite rather flat, convex at end, narrow, the apex 

 divided into two triangular lobes which are turned downward ; sternite flat, narrowed 

 to end, which is rounded (PL XXVII. f. 8). Clasper sole-shaped ; harpe with 

 a simple, concave, slightly spoon-shaped and a little curved, obtuse process 

 (PI. XXXV. f. 22). Penis-sheath ending in a short, oblifjuely truncate, pointed 

 process (PI. XXIX. f. 2U;. 



? . Vaginal plate without sjiecial armature, postvaginal part membranaceous, 

 except a narrow transverse belt of chitin ; antevaginal part more strongly chitinised, 

 with a proximal transverse fold ; anterior edge of vaginal cavity slightly raised, 

 semicircular. 



Larva and chrysalis not known. 



Length of forewing : c? ?, 17 to 19 mm. 



Jlab. West Australia. 



In the Tring Museum 3 c?c?, 1 ? from: Roebourne {ti/pe, c?) ; Sherlock li. 

 (Dr. Clements). 



