THE CANADIAN ENTOMOLOGIST. 143 



short, but nearly as long as those of the male. Legs short and stout, 

 anterior tibiae with a short stout spine at either side of tip ; middle and 

 posterior tibiae with minute terminal spurs only. The claws of tarsi are 

 toothed in both sexes. 



Primaries with 7 to lo from a stalk in the order 10, 7, 8, 9 ; 3 to 5 

 from end of median, 4 nearer to 5 than to 3. 



Secondaries 6 and 7 from same point at end of sub-costal ; 8 from sub- 

 costal half way to base ; 3 to 5 almost equidistant from end of median. 



Moeschler, in 1876, Stett. Ent. Zeit., XXXVII., 297, makes this 

 a synonym of Spilosoma. 



L. acrcea Drury. 



1770 — Drury, Exot., I., pi. III., f 2 ($) and 3 (^), Phalce7ia. 



1793 — Fabr., Ent. Syst., III., i, 451, Boitibyx acria. 



1797 — Sm. & Abb *, Ins. Ga., II., 133, pi. 67, Phalcena acria. 



18 16 — Hiib., Veizeichniss, 184, Estigmene. 



1820 — Hiib., Samml. Auss. Schmett, II., pi. 404, Estigmene acria. 



1823— Harris*", Mass. Agr. Repos. &: Journ., VII., 323, Arctia. 



1833 — Harris, Cat. Ins. Mass., 591, Arctia. 



1837 — Westw., ed Dru., I., 7, Spilosojua. 



1841 — Duncan*, Nat. Libr., XXXIL, 171, pi. 20, ff. 1-3, Spilosojna. 



i860 — Clem., Proc. Ac. Nat. Sci., Phil., XII., 53, Spilosoma. 



1862 — Morris*, Synopsis Supplt., 342, Spilosoma. 



1862 — Harris*, Inj. Ins., Flint, ed. 351, f. 169, pi. VI., ff. 9 ( ^ ) and 



10 ( ^ ), Spilosoma. 

 1864 — Pack., Proc. Ent. Soc, Phil, III., 125, Leucarctia. 

 1869 — Bdv., Lep. Calif (Ann. Soc. Ent., Belg., XII.), 78, Arctia acria. 

 1873 — Stretch*, Zyg. & Bomb., 99, pi. 4, ff. 1-3, and pi. 10, f. 6, 



Leucarctia. 

 1874 — Morrison, Psyche, I., 21, Leucarctia. 

 1875 — Edw.*, Proc. Cal. Ac. Sci., V., 368, Leucarctia. 

 1883 — Weed, Papilio, III., 84, Leucarctia. 

 18S3 — Grt., Papilio, III., 84, Leucarctia. 

 1883 — Stretch, Papilio, III., 141, Leucarctia. 

 1884 — -Bean*, Can. Ent., XVI., 66, Spilosoma. 

 1886 — Smith, Ent. Amer., II., 79, Leucarctia. 



