DIACRISIA. 



319 



outwards agaiu ; cilia ochreous. Hind wing paler green; cilia 

 ochreous. 



Hah. Ecuador, Loja, 1 S type f in Cull. Dognin. Exp. 30 

 millim. 



SiXT. III. (Isia). Antenute of male ciliated. 



A. Fore wing with series of points isabella. 



B. Fore wiiiL,' witli two dir^coidal p(jint.s placida. 



C. Fore wing with dark niaciilate bands, the veins orange, deCned 



on term inal area by black st reaks intricata. 



1821. Diacrisia isabella. 



Phalana Isabella, Abbot & Smith, Lep. Georg. ii. pi. (if) (17!)7) : Kirtiy. 



Cat. Het. p. 244. 

 Pyrrliarctia californica, Pack. Proc. Ent. Soc. Philad. iii. p. 121 (I8t)4). 



(S . Erownish yellow-buff ; femora scarlet above ; tiljiie and tarsi 

 blackish above ; abdomen with dorsal, lateral, and sublateral series 

 of black spots. Fore wing with traces of anteracdial and medial 

 lines acutely angled on median nervure where on the former there is 

 a black point ; a black point in lower angle of cell and two beyond 



Fig. 144. — Diacrisia isabella, J . \. 



it ; traces of a postmedial line excurved between veins 5 and 3 ; 

 an oblique blackish streak from apex, and a subterminal series of 

 points on each side of veins 5 to 2. Hind wing semihyaline 

 yellowish, the termen slightly tinged with scarlet ; a blackish marJi 

 on discocellulars and point at lower angle of cell ; a subterminal 

 series of ob.scure black spots. 



2 . Hind wing orange-scarlet, the inner area more orange. 



Hah. U.S.A., :N. York, Trenton Falls, 2 J , 3 $ , Massachusetts, 

 3^,1 2 , Grote & Zeller Colls., California. Ex-p. 50-60 millim. ' 



E(/f/. Pack. Ann. N. Y. Ac. Sci. viii. p. TH. 



White, hemispherical, under a liigh power seen to be marked 

 with a network of fine irregularh- jjolygonal areas with slightly 

 thickened edges. 



Larva. Stage 1, Head dark chestiuit; pro! horacic shield irregular 

 uith a transverse furrow behind middle, four hairs in front and 

 two behind ; the 2nd and 3rd somites with transverse series of four 

 flattened, dark brown, conical tul)ercles, llie two inner larger aiul 

 hearing two hairs ; abdominal tubercles with single hair ; hairs 

 long, spinulate, some longer anteriorly and posteriorly. 



