TRIFIDjE. 6 i 



L/ARViE cylindrical, firm, shining, usually handsomely 

 spotted or striped. On herbaceous plants, usually upon 

 the blossoms, feeding quite exposed. 



PuPiE rather slender, soft, thin-skinned, having a con- 

 siderable projection at the tips of the wing-covers, which 

 contains the end of the long curled tongue. 



Not an easy genus to tabulate ; an attempt may be useful : 



A. Costal and dorsal margins each occupied by a stripe of 



dark colour. 



B. These stripes broad, rich chocolate, ground colour 



reddish-drab, size near 2 inches. G. verlasci. 



B 2 . The stripes narrow, dark red-brown, ground colour 

 wainscot-brown ; wings smaller and narrower. 



C. lychnitis. 



B 3 . Very similar, but ground colour more dull brown, 

 stripes straighter and more parallel. 



C. scrophularice. 



B 4 . Dorsal stripe narrow, costal broad and diffuse, choco- 

 late ; ground colour silvery-grey. G. asteris. 



A 2 . The longitudinal stripes absent, fore wings grey 

 mottled with black or brown. 



C. The mottled colour purple-brown; upper stigmata 



distinct, three black streaks behind. C. gnaphalii. 



C 2 . The mottled colour black in transverse bands ; ground 

 rosy-grey ; twin black dots in upper stigmata. 



C. dbsynthii. 



C 3 . The mottled colour grey-black ; ground brownish-grey ; 

 brown clouds in the stigmata. G. cibrotani. 



A 3 . Without definite markings, except slender black longi- 

 tudinal lines. 



D. Fore wings narrow, brown-grey or dark grey clouded 



with black. C. chamomillce. 



D 2 . Fore wings rather broad; pale grey shaded with 



darker, and toward the costa faintly with light brown. 



0. umbratica. 



