276 AUSTRALIAN PSVLLTD.fJ, 



Imago. — Length 0'1175, antenna3 O'OS inch. 



General colour reddish-yellow, dark ochreous marks on head 

 and thorax, abdomen yellow tinged with green and barred with 

 brown to blackish bands; tips of antennae black; eyes reddish- 

 brown ; wings hyaline, nervures reddish-brown Head small, 

 deeply cleft in centre, and wrinkled on either side of median 

 suture; arcuate in front, rounded on sides, deeply arcuate behind. 

 Face lobes large, rounded at tips, clothed with long hairs. 

 Antennie long, slender; 1st joint broad, short; 2nd short, bead- 

 shaped; 3rd slender, very long; 4tii-8th uniform, about half the 

 length of 3rd; 9th shorter; 10th short, thickened, and rounded 

 at tip. Eyes very large, projecting, angulated on inner margins : 

 central ocellus large at base of central cleft; lateral ocelli vitreous 

 at angle of inner margin of eyes. Thorax : pronotum very 

 narrow, deeply curved round in front, arcuate behind; dorsulum 

 convex, almost round; with a slight spine on either side; meso- 

 notum large, deeply arcuate in front, curving round dorsulum, 

 rounded behind; scutelium truncate in front, rounded behind; 

 legs long, slender. Wings more than twice as long as broad, 

 narrow at base, broadest and rounded to tip; primary stalk long, 

 straight: stalk of subcosta short; radius short, marginal cell long, 

 nearly reaching to tip of wing; upper branch of cubitus turning 

 downward, long, upper and lower forks short, the former emerging 

 above tip of wing; lower branch of cubitus short, turning sharply 

 down, upper fork long, curving round; lower fork rather long, 

 transverse, curving in at extreme tip; clavus short, curved; 

 clavical suture slender : centre of cells on hind margin with fine 

 stride. Abdomen stout, tapering to apex. Genitalia : (g) very 

 short, lower genital plate short; forceps short, peg-shaped; upper 

 genital plate broad, curving over forceps : (9) fitting into tip of 

 abdomen, hidden from above, formed of two slender serrate 

 valves. 



Hab. — Hydnej, Mittagong, &c., N.S.W. (on Eucalyptus sp. ; 

 W. W. Froggatt); New Norfolk, Tasmania (on E. ohliqua; A. 



M.'Xiea;^.. 



