BY W. W. FROGGATT. 345 



a circular ring, from which stands out a conical tapering thorn, 

 slightly constricted below the apex, which is truncate ; apical 

 orifice a transverse slit-like opening, with the side of the tip 

 curling downwards on either side like a small lip ; walls of gall 

 thin ; female coccid slightly attached to the floor of the chamber. 



5. Coccid dull pale yellow ; head and thoracic segments very 

 round with the abdominal ones narrow, small and tapering to 

 the anal extremity, covered with fine hairs thickly fringing the 

 margins of the segments ; underside flat; centre of head segment 

 containing two irregular rounded black patches, which are joined 

 on the inner edges to, each other; in the front of each a small black 

 tubercle like an aborted antenna, on the lower or apical portion 

 of central or head segment, and just above the legs, is a small 

 fold looking like a sketch of an anchor ; legs long and slender 

 femora generally black, tibiae short, tarsal joint slender, cylin- 

 drical, slightly tapered towards the tip, which is not truncate but 

 bluntly rounded ; abdominal segment closely covered with short 

 hairs. 



(J. Galls with the female galls on the upper side of the leaves, 

 the base forming a red wart about ^ a line in length on underside 

 of leaf, 1 line high, l-J lines in diameter at base, broadest at base, 

 tapering towards apex, apical orifice an elongate oval on upper 

 side of leaf. 



Bab. — Bendigo, on leaves of Eucalyptus sp. in September ; 

 Bathurst in February (Froggatt). 



Opisthoscelis maculata, n.sp. (PI. xvii. figs. 22-23). 



9. Galls brown, 3 lines high, 2 lines in diameter at the base, 

 J a line in diameter at the apex; pyriform, broad at base, tapering 

 very slightly about two-thirds of height, then constricted into a 

 conical point ; apical orifice narrow, slit-like, with the lip on 

 either side black, rugose and slightly turned back ; base of gall 

 thick ; walls of chamber brown, shining, of medium thickness : 

 upon the slender twigs and leaf-stalks sometimes singly but other 

 times close together in rows. 



