256 AUSTRALIAN PSYLLIDjE, 



Imago. — Length 0*045, antennae 0"001 inch. 



General colour ochreous, tinged with reddish-brown ; head, 

 prothorax and outer margins of dorsulum black; tips of antennae 

 and tarsi fuscous; front of dorsulum, sides of metanotum, hind 

 portion of thorax and bands on upper portion, and apex of abdo- 

 men chestnut-brown; wings light brown, semiopaque, nervures 

 darker. Head very narrow, turned down and rounded in front, 

 deeply arcuate behind, with a slight median suture and shallow 

 fovea on either side. Face lobes hidden from above. Antennae 

 very short; lst-2nd joints very short; 3rd cylindrical, slender, 

 long, 4th-9th short, rounded, decreasing in length to apex, 10th 

 rounded. Eyes large, projecting, angular on inner margin : 

 central ocellus hidden from above; lateral ocelli very small, in 

 line with centre of eyes. Thorax : pronotum narrow, deeply 

 curved in front, slender towards tips, not quite reaching to outer 

 edge of eyes; dorsulum large, rounded on either side, toothed at 

 extremities; mesonotum large, arcuate in front, rounded on sides, 

 arcuate at junction with scutellum. Legs long ; tibiae long, 

 slender; tarsi and tarsal claws large. Wing thrice as long as 

 broad, curved at base, rounded at tip; costal nervure very stout; 

 primary stalk very long; stalk of subcosta shorter than stalk of 

 cubitus; subcosta running into costal nervure, forming a thickened 

 slender stigma; radius straight, running out above tip of wing; 

 stalk of cubitus long; upper branch of cubitus very long, upjDer 

 and lower forks short, forming a small angular cell, upper one 

 emerging in centre of wing, lower branch of cubitus short, upper 

 fork long, curving round, lower fork nearly straight; clavus short, 

 clavical suture slender. Abdomen small. Genitalia : {$) curved 

 over back, very hairy; lower genital plate large, rounded; forceps 

 slender, upper genital plate short, rounded in front : ($) abdomen 

 large, swollen, genital plates forming an elongated tip, very hairy. 



Hah. — Wagga, N.S.W. (on Kurrajong, Sterculia sp.; W. W. 

 Froggatt). 



This is a rare species; I have only found it in one place, on the 

 kurrajongs at the back of the Experiment Farm at Bomen. 



