TRIFID.E.. 5* 



of the wing; cilia long, olive-brown, broadly dashed or chequered 

 with white. Hind wings smoky-white with brown uervures, 

 and a broad smoky-brown band along the hind margin ; cilia 

 white. 



The larva feeds upon Linaria vulgaris, L. repcns, and L. 

 genistifolia, and is said to be pearly-white, or bluish-grey, 

 with yellow subdorsal and spiracular lines. 



Recorded as British by Stephens (Illust. 3, 94), who states 

 that specimens in his own collection and that of the British 

 Museum were captured at Woodside, near Epping, Essex, 

 in June 1817. The insect is correctly figured by Wood on the 

 same authority ; but no other case of the occurrence of the 

 species in these Islands is on record, and there is some cause 

 for doubt whether a mistake was not made in the original 

 statement. Certainly there is no reason to believe it to be 

 now resident here, though its absence is somewhat inexplic- 

 able. Abroad it has a wide distribution over Central Europe 

 and the warmer portions of Northern Europe, Northern Italy, 

 Dalmatia, Bulgaria, and Southern Russia.] 



Genus 84. CALOCAMPA. 



Antennse long, stout toward the base, faintly ciliated ; 

 palpi short and blunt ; eyes naked, front lashes long, back 

 lashes curled ; head extremely blunt in front ; thorax broad, 

 squared, and high-shouldered, with very small top and back 

 crests; abdomen broad, flatly rounded, not crested; fore 

 wings long, stout, with unusually straight costal and dorsal 

 margins, and crenulated waved hind margin ; hind wings 

 broad, cross-bar bent and hardly complete; vein 5 arising 

 from half way below the angle. Wings drawn closely 

 together, rolled and wrinkled when at rest. 



Larvae smooth, of unusually beautiful bright colouring, 

 mainly green. On low-growing plants. 



PuPjE subterranean, 



