260 AUSTRALIAN PSYLLIDjE, 



antenna? short, thick, pointed at apex, curving round sides of 

 head. Wing-covers reaching beyond base of abdomen; the latter 

 short, rounded, anal segment with a stout conical tubercle on 

 either side. 



Imago. — Length 0-135, antennae 0-06 inch. 



General colour ochreous-yellow; apex of basal, the whole of the 

 apical joints of antennae, outer margins of head, thorax, and 

 abdominal segments clouded with fuscous, thorax also shaded 

 with orange; eyes red; ocelli orange. Wings hyaline, nervures 

 ochreous. Head very broad, twice as wide as long, deeply 

 cleft and angulate between base of antennae, rounded on sides, 

 arcuate behind. Face lobes wanting. Antennae springing from 

 either angle of head, long, slender ; 1st joint very stout; 2nd 

 narrow at base; 3rd very long, cylindrical, narrow at base; 4th- 

 7th of uniform girth, but decreasing in length to tip; 8th much 

 shorter, swollen at tip; 9th shorter, swollen; iOth very short, 

 swollen, truncate at tip. Eyes very large, occupying the whole 

 side of the head, rounded on outer margin: central ocellus placed 

 at base of median cleft; lateral ocelli close to hind margin of eye. 

 Thorax : pronotum not as broad as head, curved, slender; dorsulum 

 very convex, rounded in front, sloping down on sides, rugose on 

 edges, rounded behind; me«onotum broad, arcuate on front and 

 sides, hind margin truncate; scutellum convex, slightly arcuate 

 in front. Legs long, stout, lightly clothed with hairs. Wings 

 thrice as long as broad, rounded to a point at apex; primary stalk 

 long, curved down in centre, clouded with fuscous along upper 

 edge; stalk of subcosta long, curving inward, straight above; 

 subcostal nervure long, close to costal, forming a distinct stigma; 

 radius very short, turning up beyond tip of stigma; stalk of 

 cubitus very short, upper branch of cubitus long, nearly straight, 

 upper fork turning upward above tip of wing, lower fork turning 

 down below tip of wing, thrice the length of upper fork; lower 

 branch of cubitus turning downward, upper fork long, curving 

 round; lower fork shorter, curving inwards to base of wing; 

 clavus stout, curved; olavical suture slender, running through 

 lower portion of cell. Abdomen long, slender, constricted at base, 



