268 AUSTRALIAN PSYLL1DJS, 



out on either side, slightly hairy, pointed at the tips; eyes small. 

 Thorax broad, rounded in front; wing-covers small, elongated, 

 covered with fine white hairs. Legs short and thick. Abdomen 

 broad, rounded, swelling out at the base, and rounded to the 

 apex. 



Imago. — Length 015, antennae 0-045 inch. 



General colour bright green, thorax mottled with reddish- 

 yellow, tarsi brown; wings semi-opaque, finely granulated, tinged 

 with pale dull yellow, darkest along hindmargin, the tips clouded 

 with fuscous and black running into the cells; nervures light 

 brown. Head not as broad as the thorax, deeply cleft in front, 

 with a slight median suture and shallow fovea on either side, 

 sloping down on either side behind the antennae; arcuate at 

 hindmargin; face lobes large, broad and rounded, thickly clothed 

 with hairs; antennae in front of eyes moderately long, basal 

 joints thickest, each clouded with fuscous at apex, 3rd and 4th 

 joints longest, 5th-6th shortest, 7th-8th long and slender, 9th 

 shorter and broadest at apex, 10th oval, short and broad. Eyes 

 very large, rounded, and contracted on inner edge : central 

 ocellus small, pink; lateral ocelli large, vitreous. Thorax with 

 pronotum very narrow, curving round; dorsulum very broad, 

 convex, round in front, the sides produced into slender points, 

 slightly arcuate on the sides to rounded apex; mesonotum large, 

 convex, arcuate in front, tuberculate on sides, rounded behind; 

 scutellum arcuate, rounded behind. Legs short, tarsi stout. 

 Wings very long and slender, more than four times as long as 

 broad, curved in the front margin, rounded at the tip, # and 

 hollow in the centre of the hindmargin; primary stalk short, 

 stout, and thickened ; stalk of subcosta short ; stigma not 

 reaching tip of wing, transverse nervure distinct; radius long, 

 curving upward, not quite reaching to tip of wing; stalk of 

 cubitus long, upper branch of cubitus long, curving upward, 

 upper and lower forks swelling out, almost of the same length, 

 forming an elongate cell; lower branch of cubitus moderately 

 long, upper fork long, turning upward, curving round and form- 

 ing a large cell with the lower fork, curving inward at apex; 



