BY WALTER W. FROGGATT. 263 



back to scutellum, truncate at apex; scutellum large, truncate in 

 front, rounded behind. Legs long, femora of forelegs very stout 

 and thickened; tarsi long. Wings large, very long, over thrice 

 as long as broad; costal nervure rounded at base, slightly hollow 

 in centre and curving round at tip to hind margin of wing, which 

 is nearly straight; primary stalk long and stout; stalk of subcosta 

 shorter than stalk of cubitus; costal nervure double at base, but 

 without any true subcostal cell or stigma; the costal cell long and 

 slender, tapering out into a tail between costal and subcostal 

 nervures; radius long, turning up at tip of wing; stalk of cubitus 

 longer than stalk of radius, upper branch short, bifurcated about 

 centre of wing, upper and lower forks of equal length, running- 

 out at tip of wing and forming a very elongate slender cell; lower 

 branch of cubitus shorter than upper, upper fork very long, 

 curving down before reaching tip of wing; lower fork transverse, 

 running out at a sharp point ; clavus very thick and short, 

 clavical suture running through centre of the long, slender, anal 

 cell. Abdomen stout and rounded to tip. Genitalia (£) short 

 and broad; lower genital plate short, angular; forceps oval; penis 

 hidden; upper genital plate long, slender : ($) upper and lower 

 genital plates short and pointed, clothed with fine hairs. 



Hob. — Melbourne (on E. melliodora; Mr. C. French, Junr.), 

 and Bendigo, Vic. (on E . pol yanthema; W. W. Froggatt); Hobart, 

 Tas., (lerp only, on E. sp.; Mr. A. M. Lea); Bathurst, and Tumut, 

 N.S.W. (on E. melliodora, and E. polyanthema; W. W. Froggatt); 

 Brisbane, Q., (lerp only, on E. sp.; Mr. H. Tryon). 



This is a very common species where the particular species of 

 Eucalypts enumerated grow, and has a very wide range over the 

 eastern portion of Australia. I have seen bushes about Bathurst 

 covered with the white lerp-scales in the early summer. I have 

 another form of the lerp collected on the foliage of a low scrub 

 Eucalypt growing on the river flats near Bourke, Daiding River, 

 that has puzzled me very much, for though I can see no specific- 

 differences in the pupa or perfect Psyllid, yet the lerp-scale, while 

 of the same colour and shape as the more common coastal species, is 



