326 AUSTKALIAN PSYLLIDJ:, 



short; upper fork long, lower fork curved in at tip; clavus stout, 

 long; clavical suture slender. Abdomen short. Genitalia in ^ 

 long, slender, sabre-shaped. 



Hah. — Summit of Mt. Wellington, Tasmania (on Eucalyptus 

 coccifera; A. M. Lea; three specimens, 9). 



PSYLLV ACACLE-DEALBAT.E, n.sp. 



Zrt?"i"asemitransparent; eyes reddish-brown; centre of abdomen 

 tinged with yellow. Head large, irregularly rounded in front; 

 antennae stout, standing out in front. Thorax long, quite as 

 broad as head. Legs short, stout. Abdomen swelling out behind 

 thorax, rounded, broad, and flattened at tip. 



Pupa pale green, shaded v/ith yellow; antennae fuscous; eyes^ 

 reddish-brown; two large fuscous patches on head, and ten spots 

 and four stripes of the same colour on thorax; legs ochreous, 

 shaded with fuscous; wing-covers dark brown, large, projecting; 

 basal portion of abdomen marked with three interrupted slender 

 brown lines and apical portion uniform brown. Thorax large, 

 swelling out behind head, broadly rounded on sides. Abdomen 

 irregularly rounded to tip, fringed with stout hairs. 



Imago. — Length 0'0375, antennae 0'0075 inch. General colour 

 of head, thorax, legs and base of antenna? dull yellow; abdomen 

 bright green ; wings semiopaque, horn-coloured, nervures pale 

 yellow. Head not quite as broad as thorax, somewhat flattened, 

 arcuate behind antennae, slightly lobed in front, a distinct median 

 suture and a small impressed fovea on either side. Face lobes 

 short, broad, angular, deeply cleft in front, somewhat hidden from 

 above. Antennae moderately long, slender; 1st joint stout, 2nd 

 short, 3rd long, the rest uniform, ending at tip in a distinct club. 

 Eyes large, projecting; central ocellus small, lateral ocelli in line 

 with middle of eyes. Thorax : pronotum ribbon-shaped, curved 

 in front, showing two dark fovea? on either side; dorsulum rounded 

 in front, coming to a point at extremities, truncate at hind mar- 

 gin; mesonotum very large, convex, broad in centre, narrower on 

 either side ; scutellum small, arcuate in front. Legs slender. 

 Wings semitransparent, broadly rounded at tips, more than twice 



