Catalogue of North American Sphinges. 313 



This destructive insect is not a native, but has been introdu- 

 ced from Europe with the cultivated currant-bush. 



8. ^. scitula. H. 



Purple-black ; wings transparent, with the margins golden yel- 

 low ; the first pair with a narrow purple-brown band beyond the 

 middle and a broad one at the tip ornamented with golden yel- 

 low lines ; fringes blackish ; front and orbits covered with silvery 

 white hairs ; antennas black ; palpi, collar, upper edges of the 

 shoulder-covers, a narrow band at the base of the abdomen, a dor- 

 sal spot behind it, a broad band around the middle, the lateral 

 edges of the fan-shaped tail, anterior coxje, sides of the breast, 

 tibiae and tarsi except at the joints, with the spurs golden yellow. 

 Expands about eight lines. 



This beautiful little species is easily distinguished by the prev- 

 alence of yellow on the under-side of the body and legs. 



9. Y*;. Pyri. H. (New-England Farmer.) 

 Purple-black ; wings transparent, with the margins, a narrow 



band beyond the middle of the first pair, and a broad one at tip 

 purple-black, the latter streaked with brassy yellow ; antennae 

 blackish ; palpi beneath, collar, edges of the shoulder-covers, a 

 broad band across the middle of the abdomen, a narrow one be- 

 fore it, an indistinct transverse line at base, the posterior half of 

 the abdomen beneath, the sides of the breast, anterior coxs, legs 

 except the joints of the tibiae, and the lateral edges of the wedge- 

 shaped tail golden yellow. Expands six lines and a half. Larva 

 lives under the bark of the pear-tree. 



For some further particulars respecting this species, see my 

 communication in the New-England Farmer, Vol. IX. p. 2, 1830. 



Mr. Edward Doublcday presented me with a new species of 

 Mgcria which he captured in Florida, and Dr. J. W. Randall has 

 still another which was taken in Massachusetts. To these gen- 

 tlemen belongs the right of first naming and describing these spe- 

 cies which they have discovered, and I do not feel myself author- 

 ized to anticipate them. 



Genus XII. Thyris. lUiger. 



T. macnlata. H. (Catalogue.) 

 Brownish black, sprinkled with rust-yellow dots; hind-mar- 

 gins of the wings deei)ly scalloped, with the edges of the inden- 

 tations white ; each of the wings with a transpai-ent white spot, 



Vol. xxxvi, No. 2.— April-July, 1831). 40 



