THE CANADIAN ENTOMOLOGIST. 205 



1873 — Edw., Proc. Cal. Ac. Sci., V., 187, Halisidota. 



var. alni Hy. Edw. 



1875 — Edw.*, Proc. Cal. Ac. Sci., VII., 129, Halisidota. 



Habitat — California. 



Food plant — Willow, Alder. 



H. ambigua Strk. 



1878— Strk., Proc. Dav. Ac. Sci., II., 272, pi. IX., f. 7, ^, Halisidota. 



bolteri Hy. Edw. 



1884 — Edw., Papilio, IV., 121, Seirarctia. 



1888 — Edw., Ent. Amer., III., 1Z2, pr. syn. 



Habitat — Colorado, New Mexico. 



H argentata Pack. 



1864 — Pack., Proc Ent. Soc, Phil., III., 129, Halisidota. 



1873— Stretch*, Zyg. & Bomb., 87, pi. 6, f. 12, 5, Halisidota. 



1873 — Edw., Proc. Cal. Ac. Sci., V., 187, 369, Halisidota. 



Habitat — California, Vancouver. 



Food plants — Pinus pondorosa and P. lambertiana. 

 H. cali/ornica Wlk. 



1865— VVlk., C. B. Mus., Lep. Het., XXXI., 311, Halisidota. 



1873 — Stretch, Zyg. & Bomb., 102, ^agassizii. 



aJigulifera Wlk. 



1866 — Wlk., Lords Trav. in Vane. App., 335, Halisidota. 



1873 — Stretch, Zyg. & Bomb., 102, =agassizii. 



salicis Bdv. 



1868— Bdv., Lep. Cal. (Ann. Soc. Ent, Belg., XII.), 81, Phcegoptera. 



1869— Grt. & Rob., Tr. Am. Ent. Soc, III., \lS,pr. syn. 



Habitat — British Columbia, Vancouver, Cahfornia. 

 Mr. Grote, in his list of 1882, does not follow Stretch in his reference 

 of this species to agassizii, but in a note, p. 63, suggests that cali/ornica, 

 agassizii and argentata may be the same species. 



H caryce Harr. 



1841 — Harris*, Rept., Ins. Mass., 258, LopJiocampa. 

 1855 — Fitch*, I St Rept, Ins. N. Y., 159, Halisidota. 

 i860 — Clem., Proc. Ac. Nat. Sci. Phil., XII., 533, Halisidota. 



