BY WALTER W. FROGGATT. 285 



3rd much longer than 4th, 4th-Gth of uniform length, 7th-8th 

 longer, 9th shorter, 10th short and rounded at tip. Eyes large 

 and prominent: central ocellus small, lateral ocelli situated about 

 middle of hindmargins of eyes. Thorax: pronotum very narrow; 

 dorsulum large, rounded in front, arcuate on sides, truncate behind; 

 mesonotum convex, broad, rounded behind; scutellum arcuate in 

 front, rounded behind. Legs short and thick, with a row of fine 

 black spines at apex of tarsi of hind legs. Wings nearly thrice 

 as long as broad, rounded on front margin, somewhat pointed at 

 tip; primary stalk short; stalk of subcosta short, costal cell 

 separated from the slender stigma by a sloping cross-nervure; 

 radius short, running out above tip of wing; stalk of cubitus 

 very long, upper branch long, upper and lower fork long, of equal 

 length, forming an elongate cell in centre of wing; lower branch 

 of cubitus long, upper fork long, curving round; lower fork 

 curving outward ; clavus stout, clavical suture long, distinct. 

 Abdomen short and stout. Genitalia (^) large, upper genital 

 plate forming two conical processes, lower genital plate small; 

 forceps large, rounded to a conical point at tip. 



Hab. — Melbourne, Vic. (on E. rostrata, in Botanical Gardens; 

 C. French, Jr.); Ryde, near Sydney, Tumut, Yass, and Mittagong, 

 N.8.W. (in each case upon E. sp.; W. W. Froggatt). 



The little shell-like lerp is xery plentiful, but it is one of the 

 most difficult from which to obtain the perfect insects on account 

 of the many parasitic Chalcids which infest them; out of a great 

 number collected by Mr. French, only half-a-dozen specimens of 

 the perfect insects were bred. I had the same difficulty with my 

 own specimens; fully half of them when found we're punctured 

 with a small circular hole on the side by which a small wasp 

 had emerged. In Newman's Entomologist for 1841 (Vol. i. p. 88), 

 a woodcut of this lerp is reproduced, with the following note from 

 Mr. A. H. Davis, of Adelaide, S.A. : — "I have now by me the 

 leaf of a Eucalyptus, covered with little habitations, perfectly 

 like shells, the form even of the ribs being faithfully represented 

 as in the annexed drawing: there are a dozen on one leaf, and 

 they are scarcely half the size here depicted; the shell is of a 



