276 AUSTRALIAN PSYLLID.K, 



margin of wing; stalk of cubitus longer than subcosta; upper 

 branch of cubitus short, upper and lower forks coming out on 

 either side of tip of wing, and forming a long slender cell; lower 

 branch of cubitus moderately long, upper fork long, curving 

 round, lower fork transverse, short; clavus stout and thickened, 

 clavical suture very distinct. Abdomen short, stout, wedge- 

 shaped. Genitalia (g) viewed from above forming a pair of 

 pincer-like projections. 



Hab. — Sydney (Botanical Gardens), Botany, and Tumut, 

 N.S.W. (in each case on E. robusta; W. W. Froggatt). 



Rhinocola viridis, n.sp. 

 (Plates xi., fig. 9; xiv\, fig. 17). 



Larvae forming a lerp-scale upon the foliage of E. robusta; a 

 rare species, the scales always single. 



Lerp 2J lines in length, about 2 in diameter at apex; glassy, 

 opaque, semitransparent, the structure indistinct but apparently 

 transversely striated; commencing at a finger-like hinge, from 

 which the lerp rapidly swells out into a rounded, somewhat fan- 

 shaped convex scale, not unlike the scale of the adult female of 

 several typical coccids of the genus Chionaspis. 



Larva pale yellow, with a broad red mark in centre and at tip 

 of abdomen. 



Pupa bright green, with legs, antennse, and wing-covers hyaline; 

 tips of antennse and spots upon the segmental divisions of abdo 

 men black. Head small, lobed in front, arcuate behind; antennae 

 long and slender, pointed at extremities; eyes large; pro thorax 

 narrow; wing-covers long, legs stout; abdomen large, swelling 

 out, broad and rounded to a peg-like tip. 



Imago. — Length 0-15, antenna? 0-075 inch. 



General colour pale green ; wings hyaline, with a tinge of 

 brown, nervures ochreous. Head narrow, turned down in front, 

 slightly cleft, with a slight median suture and fovea on either 

 side, truncate behind. Face lobes very large, broad, rounded, 

 and clothed with fine hairs. Antenna? long and slender, 1st joint 





