256 ARCTIADJS. 



Genus DIACRISIA. 



Type. 



Diacrlsia, Hiibn. Verz. p. 169 (1827) sannio. 



Cycnia, Hiibn. Zutr. i. p. 7 (1827), non descr tenera: 



Cf/cnia, Hubn. Verz. p. 184(1827) sordida. 



Bhyparia, Hiibn. Verz. p. 183 (1827) purpurea. 



Euthemonia, Steph. 111. Brit. Ent., Haust. ii. p. G8 (1828) ... sannio. 



Spilosoma, Steph. 111. Brit. Ent., Haust. ii. p. 74 (1828) lubricipeda/. 



Diaphora, Steph. 111. Brit. Ent., Haust. ii. p. 77(1828) mendica. 



Arctinia, Eichw. Zool. Spec. ii. p. 195 (1831) casarea. 



AlphcBa, Wlk. iii. 683(1855) fiilvohirta.. 



Lacydes, Wlk. iii. 685 (1855) spectabilis. 



Alpenus, Wlk. iii. 686 (1855) onaculosa. 



^^a, Wlk. iii. 699 (1855) lineata. 



Andala, Wlk. iii. 774 (1855) unifascia. 



/sza, Wlk. vii. 1698 (1856) intricata. 



Smiura, WUgrn. (Efv. K. Akad. Forh. xv. p. 214 (1858) ... lineata. 



Thyrgorina, Wlk. xxxi. 317 (1867) indica. 



Binna, Wlk. xxxi. 319 (1864) lutescens. 



Pyrrharctia, Pack. Proc. Ent. Soc. Philad. iii. p. 120 (1864)... isahella. 



Echlida, Wlk. xxxii. 386 (1865) indica. 



Icambosida, Wlk. xxxii. 4(K) (1865) nigrifrons. 



Acymba, Ramb. Cat. Lep. And. ii. p. 235 (1869) spectabilis. 



Eyralpemis, Butl. Cist. Ent. ii. p. 35 (1875) testacea. 



Spilarctia, Butl. Cist. Ent. ii. p. 39 (1875) lutea. 



Leucaloa, Butl. Cist. Ent. ii. p. 44 (1875) eugraphica, 



Epitolmis, Butl. Trans. Ent. Soc. 1877, p. 348 cmiarea. 



Ehijparioides, Bu'^^1. A. M. N. H. (4) xx. p. 395 (1877) nebulosa. 



Thanatarctia, Butl. A. M. N. H. (4) xx. p. 395 (1877) infernalis. 



Ckalla, Moore, P. Z. S. 1879, p. 398 bimaculata. 



Gonerda, Moore, P. Z. S. 1879, p. 395 perornata. 



Hyarias, Swinh. Cat. Het. Mus. Oxon. p; 184 (1892) metarhoda. 



Etpis, Dyar, Ent. News, iv. p. 36 rubra. 



Proboscis aborted, minute ; palpi porrect, hardly or just reaching beyond the 

 frons ; head and thorax clothed with rough hair ; tibiae fringed with hair. 

 Fore wing with vein 3 from near angle of cell ; 5 from or from above angle ; 

 6 from or from below upper angle ; 7, 8, 9, 10 stalked ; 1 1 from cell. Hind 

 wing with vein 3 from near angle of cell ; 5 from or from above angle ; 6, 7 

 from upper angle or shortly stalked ; 8 from near middle of cell. 



Sect. I. {Diacrlsia). Antennae of male bipectinate. 



A. Fore wing with the ground-colour green. 



a. Abdomen green cBruginosa. 



b. Abdomen pink, with black dorsal bands lymphasea. 



B. Fore wing with the ground-colour pure white. 

 a. Hind wing white. 



a^. Wings sparsely clothed with hairy scales. 



a^. TegulaB wholly orange nigrifrons. 



b'^. Tegulse edged with orange phasma. 



c'^. Tegulge without orange. 



a^. Abdomen crimson or tinged with crim- 

 son above. 

 a*. Fore wing without spots on costa. 

 a^. Fore wing without oblique post- 

 medial line from vein 5 towards 



inner magin in<squa'is{2)' 



b^. Fore wing with oblique postmedial 

 line from vein 5 towards inner 

 margin rhodophila. 



