278 AUSTRALIAN PSYLLID.E, 



Fight reddish-brown, central segments of antennae and base of 

 abdomen fuscous; eyes dark reddish-brown; tarsi black; wings 

 hyaline, iridescent, nervures ochreous. Head small, deeply cleft 

 in front, forming a rounded lobe on either side with deep impres- 

 sion in centre, arcuate at base of antennae, arcuate behind, swelling 

 out behind eyes. Face lobes short, rounded, hidden from above. 

 Antennae long, slender, springing from centre of head lobes in 

 front of eyes; lst-2nd joints very short; 3rd very long and slender; 

 4th-8th much shorter, slender, uniform in length; 9th- 10th very 

 short, the latter thickened, and truncate at tip. Eyes large, 

 rounded, prominent, slightl}^ angular on inner margin: central 

 ocellus at apex of cleft; lateral ocelli in line with angle of eyes. " 

 Thorax : pronotum very small, deeply convex in front, swelling 

 out at tips behind eyes; dorsulum short, nearly circular, convex, 

 produced into a spine at extremities ; mesonotum very large, 

 broad, arcuate in front, rounded to sides, where it is produced 

 into an angular point, truncate behind; scutellum small, arcuate 

 in front, rounded behind. Legs long, lightly clothed with long 

 hairs; femora short, thickened; tarsal claws large. Wings nearly 

 thrice as long as broad, rounded to tip; primary stalk very long, 

 straight; stalk of subcosta very short; radius short, curving 

 downward; upper branch of cubitus long, curving downward; 

 upper fork longest, emerging above tip of wing, lower fork 

 shortest; lower branch of cubitus very short, curving down, upper 

 fork long, curving round, lower fork running straight down; clavus 

 short, stout; clavical suture short: striae marking the cells on 

 hind margin of wing. Abdomen large, rounded to tip. Genitalia: 

 ((Jj short, very similar to former species : (9) more elongate, but 

 formed of two similar toothed valves contracted beneath the tip 

 of abdomen. 



ffab. — Mosman, near S^^lney, N.S.W. (on Eucalyjjtus Siehe- 

 riana; W. W. Froggatt). 



The larvae produce thick, solid, rounded galls, four lines in 

 diameter, flattened on the apex, sometimes scattered singly upon 

 the leaves, but frequently clustering together so that several 

 coalesce and grow into each other, forming an irregular mass; 



