MR. A. G. BUTLER ON THE SPHINGIDZ. 519 
3. HEMARIS PALPALIS. 
Hemaris palpalis, Grote, Bull. Buff. Soc. Nat. Sci. ii. p. 145 (1874). 
British Colombia (Crotch). 
Allied to H. tenuis. 
- 4, HEMARIS DIFFINIS. 
Macroglossa diffinis, Boisduval, Sp. Gén. Lép. pl. 15. fig. 2 (1836). 
Sesia diffinis, Harris, Cat. N. Am. Sph., Sill. Journ. vol. xxxvi. p. 308 (1839). 
Hemaris difinis, Grote, Bull. Buff. Soe. Nat. Sci. i. p. 5, pl. 1. fig. 8 (1873). 
Sphine fuciformis, Smith and Abbot (nee Linnzus), Lep. Ins. Georg. vol. i. p. 85, pl. 48 (1797). 
Canada West (Bush), United States (Doubleday), 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. HEMARIS TENUIS. 
Hemaris tenuis, Grote, Bull, Buff. Soc. Nat. Sci. i. p. 4, pl. 1. fig. 6 (1878). 
New York and Pennsylvania (Strecker). 
6. HEMARIS THETIS. 
Sesia thetis, Grote and Robinson, Trans. Am. Ent. Soe. vol. i. p. 3, pl. 6. fig. 36 (Jan. 1868). 
Macroglossa thetis, Boisduval, Comp. Zool. Réc. p. 326 (1868). 
Hemaris thetis, Grote, Bull. Buff. Soc. Nat. Sci. i. p. 5, pl. 1. fig. 7 (1873). 
California (Lorquin). 
Closely allied to S. diffinis. 
7. HEMARIS METATHETIS, N. sp. 
Sesia axillaris, Butler (nec Grote), Ann. & Mag. Nat. Hist. ser. 4, vol. xiv. p. 366 (1874). 
Texas (Belfrage). 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. HeMarRIS SIEBOLDI. 
Macroglossa sieboldi, Boisduval in De YOrza’s Lép. Japon. p. 35. no. 76 (1869). 
Sesia whitelyi, Butler, Ann. & Mag. Nat. Hist. ser. 4, vol. xiv. p. 367 (Noy. 1874). 
32, Hakodadi (Stephens); 3, Japan (Fortune). Type, B.M. 
VOL. 1x.—PART X. No. 2.—October, 1876. 4A 
