254 AUSTRALIAN PSYLLID.^, 



bristle. Abdomen small in proportion to head and thorax, seg- 

 mental divisions very distinct, dorsal surface covered with short 

 hairs, with a fringe of longer ones round the pointed tip of 

 abdomen. 



Fiipa bright yellow, but thickly covered with fuscous on the 

 dorsal surface. General form very short and broad. 



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



General colour dark brown mottled with ochreous; antennae 

 fuscous, except 2nd-4th joints which are yellow; legs marked with 

 yellow, tarsi black ; wings opaque, richly mottled with light brown, 

 forming a dotted pattern in centre but more blotched at edges; 

 segmental divisions of the abdomen white. Head as broad as 

 thorax, almost truncate in front, with a very slight median cleft 

 and suture, two small impressed foveee; somewhat angulated at 

 ])ase of antennae, convex on hind margin. Face lobes large, very 

 Ijroad at base, coming to a point at tip, covered with long hairs. 

 Antenn.^ short, hairy, springing from in front of eyes, 1st joint 

 short; 2nd short, slender; 3rd longest; 4th-8th slender, shorter 

 towards apex; 9th-10th forming a slight club rounded at apex. 

 Eyes very large, prominent, standing out on the sides of head, 

 angular on the inner margins : central ocellus at apex of median 

 suture; lateral ocelli small, close to hind margin of head. Thorax: 

 pronotum slender, of uniform width, curving round behind eyes; 

 dorsulum slightly convex in front, coming to a point at extremi- 

 ties, sloping down on hind margin to truncate base; mesonotum 

 deeply arcuate in front, swelling out on sides to a point at 

 extremities, broadly rounded to base. Legs short, stout. Wings 

 little more than twice as long as broad, narrower at base, broadly 

 rounded to apex; primary stalk moderately long, stalk of sub- 

 costa long; subcostal nervure running close to costal, forming a 

 slender stigma; radius curved upward, then turning downward, 

 but emerging above tip of wing; stalk of cubitus short, upper 

 branch of cubitus long, arching upward, upper and lower fork 

 nearly of equal length, upper slightly longer, emerging below tip 

 of wing; lower branch of cubitus short, upper fork long, curving 



