[ 



BY W. W. FROGGATT. 343 



nervures broad well ipto the wing, with the latter turning upward 

 towards the tip ; abdomen with the first four segments stout, 

 cylindrical ; 5th-8th long, slender, tapering downwards ; 9th long, 

 slender, and truncate at the tip, from which springs out a tuft of 

 slender white filaments, forming a very handsome brush. 



Ilab. — Plentiful in several localities about Sydney ; common at 

 Flemington on E. siderophloia in September (W. W. Froggatt). 



Opisthoscelis pisiformis, n.sp. (PI. xvii. figs. 13-14). 



9. Galls green, tinged with reddish-brown ; soft globular 

 excrescences 2 lines in diameter covering the leaves ; basal orifice 

 on the underside of the leaf, keyhole-shaped, in the centre of a 

 raised brown button-like wart ; chamber spherical, walls thin, the 

 coccid lying across the roof lightly attached by the mouth to the 

 gall. 



Larva not difi'ering from previously described species, of which 

 0. Maskelli may be taken as the type. 



^. Coccid (first stage) pale yellow, almost a regular oval, 

 looking very mnch like a small seed; with round dorsal eyes; 

 underside short, conical ; antennae, fore and middle legs short, 

 rudimentary, semitransparent ; hind legs much more produced, 

 with the tarsal joint long and cylindrical. 



^. Coccid (second stage) salmon-pink; head and thorax rounded, 

 with the head lobe hanging forward, oval, with a small dark spot 

 above it, much wrinkled ; abdomen elongate, long and slender, 

 the last segment forming a small conical tail, on the upper side of 

 which are two short recurved reddish spines tipped with black ; 

 all covered on the upper side with long close hairs, forming a 

 fringe on outer margins and also fringing the segments of the 

 underside at the apical margins; legs long and slender, femora 

 short and stout, tibiae slender, of uniform thickness to the tip, the 

 tarsal joint very long, slender and filiform. 



(J. Galls conical, 2 lines high, brown ; growing upon the leaves 

 and young twigs, broadest at the base, tapering to the apex, which 

 is truncate, with an irregular oval aperture ; immature males in 

 these cells pale red, swathed in thick white felty sacs. 



