BY R. J. TILLYARD. 



345 



line on dorsal ridge, edged on both sides by a broad metallic 

 black band; on each side a straight lateral band of pale yellowish 

 colour, enclosing tlie mesospiracle, bordered above by a shorter 

 and narrower band of metallic steely black; low down, two con- 

 spicuous oval yellowish spots; legs black, underside of profemora 

 partly yellowish; nottim brown with yellowish scutella; a con- 

 spicuous pale yellow spot at each wing-base. Abdomen: 1-2 

 enlarged, 3 pinched at base, then widening to 7, 8-10 slightly 

 narrower. Colour : 1, brown; 2, brown, with a slanting pale 

 yellow mark on each side, auricles pale straw-colour, genital 

 opening edged with yellow; rest of abdomen dark brown, marked 

 with pale yellow as follows — 3, a pair of semioval basal spots, a 

 pair of larger central spots i-ather pointed basally; 4-7, with the 

 basal spots smaller, the central spots oval in 4-5, almost round 

 in 6-7; 8 with two very large dorsal spots, oval, separated by a 

 fine dorsal line; 9 with two small round basal spots; 10 dark 

 brown with a small yellowish dorsal spine depressed anally. 

 Appendages: superior 2*8 mm., black, wavy, approaching one 

 another at tips, which are blunt; inferior 2 mm., broadly trun- 

 cate, upcurved, dark brown(Plate vii., figs.2a and h). 



<^. Similar to male but slightly larger, especially in expanse of 

 wing. Total length 42 mm., abdomen 31 mm., hindwing 30 mm., 

 pterostigma 2-8 mm. 



Head and thorax as in male. Abdomen thicker than in male, 

 almost cylindrical, tapering slightly from base to apex. Colour 

 dark brown spotted with pale yellow as follows — 2, a small basal 

 point low down on each side, a pair of round central spots; 3-7, 

 a pair of semioval basal spots, a pair of larger oval dorsal central 

 spots nearly touching; basal spots decreasing in .size from 3 to 7, 

 being mere specks on 7; 8-10 very short, 8 with a pair of small 

 oval basal spots, 9-10 with a transverse narrow band in sutures. 

 Ovipositor conspicuous, reaching to end of 9, dark brown, tip 

 fairly wide and blunt; ajypenJages 15 mm., straight, cylindrical, 

 with rounded tips, dark brown, separated by a rounded projec- 

 tion of 10 which carries a small tuft of hairs (see Plate vii., fig.20). 



Type-series: Coll. Tillyard, ^9 (St. Patrick's River, 

 Tasmania). 



