36 " • THE CANADIAN ENTOMOLOGIST. 



1837 — Harris, Cat., Ins., Mass., 73, Arctia. 



1 841 — Harris, Rept. Ins. Mass., 245, Ai-ctia. 



1856— Wlk., C. B. Mas. Lep. Het., HI., 610, Arctia. 



1858— Wlk., C. B. Mus. Lep. Het, VII., 1780, Arctia. 



i860— Clem., Proc. Ac. N. Sci. Phil.,XH., z^z'i, Arctia. 



1862 — Clem., App. to Morr. Synops., 339, Arctia. 



1862 — Harris, Inj. Ins., Flint ed, 347, Arctia. 



1863 — Saund, Syn. Can. Arct, 11, Arctia. 



1876— Moeschl, Stett. Ent. Zeit., XXXVII., 296, Arctia. 



1883 — Hulst., Bull. Blkn. Ent. Soc, VI., 70, =nais. 



1887 — Smith, Ent. Amer., III., iii. an spec. dist. 



var. lugicbris Hulst. 

 1886 — Hulst., Ent. Amer., II., 1S2, Arctia. 



Habitat— Penn., N. Y., N. J., D. C, Can., Mass., Ills., Mo., Ga. 

 The distribution is wider — when the synonomy is once ascertained we 

 can complete the record of occurences. 



(To be continued.) 



DESCRIPTION OF THE LARVA OF TRIRHABDA 



TOMENTOSA, L. 



BY WM. BEUTENMULLER. 



Body elongated, subcylindrical, rounded above and flattened beneath ; 

 color above steel blue, with a series of transverse elevated ridges along the 

 dorsum, two on each segment, and along the sides are three rows of 

 tubercles, all steel blue. Body beneath, dirty brownish white ; cervical 

 shield also steel blue. 



Thoracic feet jet black, shiny ; abdominal and anal legs wanting. 



Head small, subglobose, depressed in front ; shiny jet black. 



Mandibles simple, short, stout, slightly excavate internally beneath 

 the apex. 



Maxillae robust, cylindrical ; lobe rounded at the apex with a few 

 bristles ; palpi three jointed ; first joint short, second joint somewhat 

 larger, cylindrical, third joint conical, extending a little beyond the lobe. 



Labium subtriangulate, palpi two-jointed, very short. 



Antennas very minute, hardly visible. 



Length, about .10 mm ; width, about .3 mm. 



Food-plants, various species of golden rods and asters. June ; single 

 brooded. 



