62 



6. Saddle-Back Caterpillar. 

 [Empretia stlmulea, Clemens.) 



1861. Clemens, B. — Empretia stlmulea. Proc. Acad, Nat. Sci. Phila., 



1860, p. 159, Original description of moth and larva. Spines 

 produce painful sensation. On a great variety of plants : 

 fruit-trees, rose, Indian corn. 



1862, Morris, J, G, — Idem, Synop, Lep, N. A,, p, 130, Descrip- 



tion of moth and larva. Spines of horns produce painful 

 sensation. On a great variety of plants : fruit-trees, the 

 rose, Indian corn, etc, 



1864, Packard, A. S,, Jr,— Idem, Proc. Ent. Soc. Phila, III,, 340, 

 (Synopsis of the Bombycidse of the United States,) Bibliog- 

 raphy, Conn, N, Y, 



1868, Walsh and Eiley, — Idem, Amer, Ent. I., 40, Stinging sen- 



sation produced by spines of larva. 

 Walsh and Eiley,— Idem, Amer. Ent, II,, 32, 59, P, c2, 

 derivation of name. P, 59, figured. 



1869. Packard, A. S., Jr. — Idem. Guide to the Study of Insects, p. 



289, pi. VII, fig. 1 ; la, larva. Brief description of moth 

 and larva. Moth appeared June 18. Larva feeds on rasp- 

 berry. 



1875, Snow, F, H,— Idem, Trans, Kan, Acad, Sci, IV., 39. Seen 

 only as a larva. Eare, Feeds upon the pear. 



1878, French, G, H,— Idem, 7th Eep. St. Ent, 111,, p. 187. De- 

 scription of moth and larva. Spines on its horns are poi- 

 sonous. Feeds on great variety of plants, including fruit-trees, 

 rose, and Indian corn. 



1881, Marten, John,— Idem. 10th Eep, St. Ent. 111., p. 117. 

 Specific description of larva. Food plants: fruit-trees, rose, 

 and Indian corn. 



7. The Io Moth. 



(Hyperchiria io, Fab.) 



1797, Smith, J, ^.—Phalena io. Nat. Hist. Lep. Ins, Ga,, p. 97» 

 tab, 49. 



1835, Harris, T, W, — Saturnia io. Cat, Ins, Mass. 



1842. Harris, T. W.— Idem. Eep, Ins, Mass,, p, 284. General de- 

 scription of moth, larva, and cocoon. Larva, June to Sep- 

 tember. Furnished with spines. Winters in chrysalis state. 

 Moths emerge during June and July. Feeds on leaves of 

 Indian corn, clover, sassafras, dogwood, elm, and balsam 

 poplar. 



1856, Fitch, Asa,— Idem. Third Eep. Nox. Ins. N. Y., p. 61. De- 

 scription of larva. Moths appear in June. Wild black cherry 

 and thorn. Eat leaves from end of limbs, 



1862, Harris, T, W. — Idem, Insects Injurious to Vegetation, pp. 

 393-397, 3d ed, figs, 18S, 191, 192, larva; 190, pupa; 189, 

 cocoon. (See under 1842,) 



