270 AUSTRALIAN PSYLLID^E, 



median suture, lateral ocelli close to hind margin of eye. Thorax : 

 pronotum narrow, marked with four black spots ; dorsulum 

 slender, rounded in front, broadest in centre, tapering to extremi- 

 ties; mesonotum large, convex, with a fine spine on either side; 

 scutellum slender, arcuate in front, spined on either side. Legs 

 slender. Wings thrice as long as broad, slender and rounded to 

 tips, delicately shagreened, a black spot at the apex of each 

 nervure, and three black spots near apex; primary stalk short; 

 stalk of subcosta short, subcostal nervure forming no stigma ; 

 radius straight, turning up, just above tip of wing; stalk of 

 cubitus very long, upper branch of cubitus long and straight, 

 upper and lower forks of about equal length, turning downward 

 at tips; lower branch of cubitus turning down, upper fork long, 

 curving round, lower fork short; clavus long, straight. Abdomen 

 short, broad. Genitalia : (^J) very large, turned up over the 

 back, lower genital plate rounded beneath; forceps slender, long, 

 curved inwards; penis small; upper genital plate very long, broad 

 at base, curved and tapering to tip : (9) formed of two slender 

 plates enclosing the ovipositor, nearly as long as the rest of 

 abdomen. 



Hah. — Termiel, N.S.W., (on Syncaiyia laurifolia ; W. W. 

 Froggatt). 



This is a rare species which I have only met with on one 

 occasion on the South Coast. Insects in all stages of growth 

 cluster upon the tips of the young shoots of the Turpentine Gum, 

 enveloped in a fine white flocculent down. , 



Genus Brachypsylla, n.g. 



Head narrow, deflexed in front, face long. Face lobes short, 

 broad, rounded at apex. Antennse very short, apical joints very 

 short. Eyes very large, reniform. Thorax : pronotum large. 

 Wings very broad and rounded at tips; stalk of subcosta very 

 long; subcostal nervure running directly into costal nervure, 

 forming no stigma or thickening of costa; radius curving upward 

 at tip; stalk of cubitus short, upper branch of cubitus long. 



