March .894] NeUM'T-GEN <S: DvaR. N. A. BOMRYCES. 15 



Thorax norfiial, or more often collar ininiaciilate. AI)cloniep. 

 ocher yellow with dorsal and lateral black bands widest centrally. 

 Fore wings black, a stripe near costa and longitudinal band present ; 

 transverse posterior line and terminal w-mark also present, the 

 former bent at right angles and usually its lower limb fused with 

 the line on median vein. It CH)es not extend below the longitudinal 

 stripe. Markings often become obsolete from without inwards, 

 the w-mark disappearing first. Secondaries pale ocher, rarely 

 partly pinkish with double marginal row and one discal spot. 

 Expanse, 25 — 50 mm. 



Habitat, Atlantic States westward. 



E. phalerata Harris. 



1841 — Aiitia phalerata Harris, Ins. Mass., p. 274. 



1881 — Arclia rhoda BuTi.r-;R, Ent. Mo. Mag., Vol. XYIII. p. n6, 



1881 — Arclia iiicomplela BuTi.KK, Ann. Mag. N. H. (5). Vol. \'III. p. 311. 



Thorax normal, abdomen red. rarely yellow, marked like nais. 

 Fore wings as in nais excc|it that the costal stripe reaches the 

 costa and the w-mark is only very rarely at all incomplete. 

 Secondaries pink in J^, especially along abdominal border, rarely 

 entirely ocherous ; red in 9 ; the I)lack marks as in nais, but some- 

 times very small or absent. 



Habitat, Atlantic States westward, 



E. vittata Fabricins. 



17S7 — Boinbyx vitlata Fabricius, Mant. Ins., Vol. II, p. 127. 



1S55 — Apantesis radians Walkkr, Cat. Brit. Miis., pt. HI, p. 632. 



\%b'}, — Arclia decorata Saundkrs, Proc. Ent. Soc. Phil., \a\. II, p. 60. 



1864 — Aloa colorala Walker, Cat. Brit. Mus.. pt. X.\.\I. p. yn. 



Marked like nais except that the costal band reaches the costa. 



The black abdominal bands are broad and fretiuently cover most 



of the abdomen. Hind wings ocher or red, the sjiots as in nais 



but often form a complete broad black border. Expanse, 30 — 



35 "i"i- 



Habitat, Atlantic States. 



Genus Kodiosoma Strctcli. 



1872 — Kodiosoir.a Stkktcm. Zyg. and Bomb. N. A., Vol. I, p. 67. 



Synopsis of species. 

 Secondaries black. 



Abdomen yellow at tip ........ nigra. 



Abdomen black throughout ....... eavesii. 



Secondaries red at base ......... tricolor. 



Secondaries yellow at base ........ fulva. 



