BY WALTER W. FliO(i(;ATT. 329 



10th small, sui'iiiouuted with two short white l)ristles. Eyes 

 large, hemispherical, standing out on sides of head ; central 

 -ocellus in line with base of antennee; lateral ocelli in centre of 

 hind margin of eyes. Thorax : pronotum narrow, not reaching 

 to outer edge of eyes; dorsulum broad, rounded in front, nearl}' 

 arcuate behind; mesonotnm large, pi-ojecting, but slightly depressed 

 4it summit; scutellum rounded. Legs moderately long, thighs 

 thickened in centre, tibi;e slender, swollen at apex and armed 

 with short black spines round the extremity, an additional short 

 spine on the apex of first tarsal joint. Wings short and broad, 

 twice as long as broad, rounded from tip to hind margin, costal 

 nervLire very stout: primary stalk stout, long; stalk of subcosta 

 long, subcosta running close to costa and forming a long slender 

 stigma, radius long, running close to costal and coming out above 

 tip of wing; stalk of cubitus very short; upper branch of cubitus 

 turning upward, upper and lower forks forming a narrow^ angular 

 -cell above tip of wing; lower branch of cubitus long, curving 

 upward, upper fork long, curving round, lower fork rather long, 

 curving outward at tip; clavus short, stout, clavical suture distinct. 

 Abdomen of 9 long, slender, coming to a point; of (J short, 

 wedge-shaped, clothed at tip with tine hairs. Genitalia : (9) 

 composed of two, short, pointed, black valves. 



Ilab. — Botanic Gardens, Sydney, N.S.W (on Acacia juni'perina; 

 •J. Jones). 



The larvje and pupie infest the tips of the foliage of the small 

 prickly wattle, causing the leaflets to become turned down into 

 little rosettes, just as if the};- had been attacked by aphids. 



Trioza tasmaniensis, n.sp. (Plate v., fig. 13). 



Larva black, eyes ochreous, central dorsal line and segmental 

 marks between Iread, thorax and abdomen well defined, pale yellow; 

 very concave, thickly covered with a white floury secretion, 

 ■outer margin fringed with white woolly flocculent filaments. 

 General form oval, but when crawling about the abdomen is 

 turned up behind. Tips of antenna3 and legs dark brown; under- 





