ME. A. G. BUTLEE ON THE SPHINGn)^. 519 



3. Hemaeis palpalis. 



Hemaris palpalis, Grote, Bull. Buif. Soc. Nat. Sci. ii. p. 145 (1874). 



British Colombia [Crotch). 

 Allied to H. tenuis. 



4. Hemaeis diffinis. 



Macroglossa diffinis, Boisduval, Sp. Gen. Lep. pi. 15. fig. 2 (1836). 



Sesia diffinis, Hams, Cat. N. Am. Sph., Sill. Journ. vol. xxxvi. p. 308 (1839). 



Hemaris diffinis, Grote, Bull. Buff. Soc. Nat. Sci. i. p. 5, pi. 1. fig. 8 (1873). 



Sphinx fuciformis, Smith and Abbot (nee Linnaeus), Lep. Ins. Georg. vol. i. p. 85, pi. 43 (1797). 



Canada West {Bush), United States {Bouhleday), East Florida, Vancouver's Island 

 {Lyall). B.M. 



Allied to H. fuciformis; the larva is described by Mead (Canad. Ent. ii. pp. 157, 158, 

 1870). 



5. Hemaeis tenuis. 



Hemaris tenuis, Grote, Bull, Buff. Soc. Nat. Sci. i. p. 4, pi. 1. fig. 6 (1873). 

 New York and Pennsylvania (Strecker). 



6. Hemaeis thetis. 



Sesia thetis, Grote and Robinson, Trans. Am. Ent. Soc. vol. i. p. 3, pi. 6. fig. 36 (Jan. 1868). 



Macroglossa thetis, Boisduval, Comp. Zool. Rec. p. 326 (1868) . 



Hemaris thetis, Grote,Bull. Buff. Soc. Nat. Sci. i. p. 5, pi. 1. fig. 7 (1873). 



California {Lorquin). 

 Closely allied to S. diffinis. 



7. Hemaris metathetis, n. sp. 



Sesia axillaris, Butler (nee Grote;, Ann. & Mag. Nat. Hist. ser. 4, vol. xiv. p. 366 (1874). 



Texas (Belfracje). Type, B.M. 



This species was sent by Belfrage, labelled " S. axillaris, Grote and Robinson," which 

 has led to my error ; it differs in its smaller size, narrower and not dentated border, 

 with other minor characters. 



8. Hemaeis sieboldi. 



Macroglossa sieboldi, Boisduval in De I'Orza's Lep. Japon. p. 35. no. 76 (1869). 

 Sesia whitelyi, Butler, Ann. & Mag. Nat. Hist. ser. 4, vol. xiv. p. 367 (Nov. 1874). 



6 2 , Hakodadi (Stephens) ; <i, J a,pa.n (Fortune). Type, B.M. 



VOL. IX. — PAET X. No. 2. — October, 1876. 4 a 



