BY W. W. FROGGATT. 341 



tip. Abdominal segments small, distinct, rounded on the outer 

 margins and tapering towards the apex, anal tail short, rounded. 



9. Coccid (second stage) : mature coccid bluish-grey, covered 

 with whitish dust on the back ; 3 lines long, 2 lines in diameter; 

 oval, convex on the upper side, all the underside attached to the 

 floor of the gall, so closely that it is impossible to detach it with- 

 out injuring the coccid ; abdominal segments much reduced and 

 curved upwards ; legs black, distinct ; tibiae and tarsi short, the 

 tarsal joint slender, filiform, curling over the tip of the abdomen 

 and pointing upwai-d towards the apical orifice, the tail not visible. 

 At this stage the galls generally contain numbers of live larvse. 



^. Galls 2 lines high ; reddish-brown, broad at the base, taper- 

 ing towards the tip, tubular, the rim at the apex produced into 

 five little teeth surrounding the apical orifice, which is circular ; 

 growing upon the leaves singly, sometimes in immense numbers, 

 covering both sides of the leaves. 



(J. Coccid reddish-pink, dorsal eyes large, black, globular, 

 standing out, wide apart, just behind the antenna? ; the latter 

 short, about thrice the width of the head, consisting of nine 

 indistinct irregular joints, rather short, covered with scattered 

 white hairs ; thorax broad, rounded in front ; abdomen bright 

 red, the segments constricted at the base, tapering towards the 

 tip, terminating in a lance-like pointed style; legs long, slender, 

 covered with long white hairs, thighs short, tarsal joints simple ; 

 .wings large, hyaline. 



This is a very distinct and rather common gall in New South 

 Wales. I have taken it at Maitland, Cooma, Newcastle, and 

 from a dozen localities within a radius of twenty miles of Sydney. 

 A constant locality is Fleraington on Eucalyptus siderophloia, the 

 large-leaved ironbark ; full grown in September. 



I have great pleasure in dedicating this fine species to W. M. 

 Mask ell, Esq., of New Zealand. 



Opisthoscelis spinosa, n.sp. (PI. xvl figs. 10-12). 



9. Gall brown, 3 lines high, 3 lines in diameter at the base ; 

 broad and round at the base, coming to a sharp thorn-like tip, 



