OF NORTH AMERICA. 99 



l.-LEUCARCTIA ACRllA. (Pi. 4, figs, l, 3, ,5 ; 2, ? . PI. lo, fig. 6, larva.) 



?. Bomdyx acn'a, Drury, i, pi. 3. 

 $ . Bombyx capfotiJia, Drur}'. 

 Bombyx caproiina, Cram. Pap. Exot. Ill, p. 287. 

 Phalcena acria, Smith, Lep. Ins. Ga., p. 133, Tab. 67. (1797.) 

 Esligmeneacria, Hiibn., Samm. Exot. Schmet. Bd. 2, pi. 191. (1806.) 



Verz., p. 184. (1816.) 

 Arciia pseuderniinea, Harris, Mass. Ag. Rep., p. 332, pi. i. (1823.) 

 Arctia acria, Harris, Cat. Ins. Mass. (Hitch. Rt., p. 591.) (1833.) 



Rt. Ins. Mass., p. 251. (184 1.) 

 Spilosoma acrea, West. Ed. Drury I., pi. 3, figs. 2, 3. 

 Spilosoma acrea, Walk., Cat. Lep. B. M. III., p. 667. (1855.) 

 Spilosoma acrea., Duncan, Nat. Lib., vol. 32, p. 171, pi. 20, figs. 1,2,3. 



(1858.) 

 Spilosoma acrea, Clem., Proc. Acad. Nat. Sci. Phil., p. 531, (i860.) 

 Spilosoma acrea, Harris, 3d. Ed., pi. 6, fig. 9, 5 , 10, ? , fig. 169, 



larva. (1862.) 

 Spilosoma acrea, Morris, Syn. Lep. N. Am., Supp. p. 342. (1862.) 

 Leucarctiaacrcea, Pack., Proc. Ent. Soc. Phil., vol. 3, p. 124. (1864.) 



? .- — Head, patagia, thorax above and below, white. Palpi, eyes 

 and antenna black. Abdomen yellow ochre above, beneath white, 

 as are also the basal segment and tip ; a dorsal row of six black spots, 

 a lateral row of geminate black spots, a ventral, and two subventral 

 rows of the same color. Femora of all the legs more or less ochreous, 

 fringed beneath with white hairs, and tipped at the joints with black ; 

 tibiae and tarsi black, annulated with white. 



Wings : primaries white, marked with black dots, as follows : six 

 costal spots, and an outer marginal row of interspaceal black dots. 

 Two dots near the base, an oblique median row, parallel with the 

 outer margin, and two approximate submarginal rows, rnore or less 

 complete. The median band is sometimes connected by two spots 

 with the third costal spot from the base giving it an angulated appear- 

 ance. Fringes white. 



Secondaries white, marked with black, as follows : A discal spot, and 

 a submarginal band of 3-6 spots, generally largest near the anal angle. 



