290 AUSTRALIAN PSYLLID^E, 



Thorax large, rounded in front, wing-covers long, narrow, rounded 

 at tips; legs short, stout. Abdomen very broad, swelling out 

 from base, rounded, and slightly crenulated on sides to a tuber- 

 culate anal process. 



Imago. — Length - 18, antennae 0055 inch. 

 General colour light olive-green; mesonotum, dorsulum (also 

 marked with parallel brown bars) and some of abdominal seg- 

 ments bright orange-red; all the segmental divisions marked with 

 brown, those upon abdomen forming black bands; antenna 3 and 

 legs light brown, apex of joints and tip of former clouded. 

 Wings delicate, transparent, nervure light brown. Head large, 

 wider than pronotum, deeply angulated in centre, with deep 

 median suture, and small fovea on either side, arcuate behind, 

 truncate behind antennae and eyes. Face lobes very large, long, 

 cylindrical, projecting in front of head, covered with fine hairs, 

 rounded at tips, with a deep cleft between them. Antenna? long, 

 slender; 1st joint short, broad, 2nd short, truncate, 3rd very long, 

 4th shorter, 5th-8th uniform in length, slightly shorter towards 

 the tip, 9th short, 10th very short, pointed. Eyes very large, 

 somewhat reniform, prominent : central ocellus very small, at 

 apex of median suture; lateral ocelli round, small, very close to 

 hindmargin of eyes. Thorax : pronotum angular in centre, 

 arcuate on sides of front margin, with a small circular fovea on 

 either side terminating at tips in a rounded knob, hindmargin 

 arcuate; dorsulum small, rounded in front, extreme tip on sides 

 truncate, hindmargins straight in centre, with sides sloping down 

 to apex; mesonotum broad, arcuate in front, rounded on sides 

 and behind, scutellum covering hindmargin; scutellum slightly 

 spined on sides, irregularly rounded behind, flattened on summit. 

 Legs long, stout. Wings nearly thrice as long as broad, long, 

 slender, with apex angulated ; primary stalk long, curving 

 upward; stalk of subcosta rather short, subcostal nervure curving 

 upward and running close along costal but forming no regular 

 subcostal cell or stigma; radius long, slender, running close to 

 ■costal and turning down below tip; stalk of cubitus very short, 

 upper branch curving round close to radius, upper fork long, 



