OF NORTH AMERICA. 21 



is apparent a tergal piece, and a sternal pair of short clavate appendages." 

 Packard. Notes on Fam. Zygoenidag, Proc. Ess. Inst., 1864. 

 This genus is readily separated from Ctenucha, '' by the curved palpi 

 which are considerably shorter ; the thicker clavate pectinations of the 

 antennae, the marked differences in the neuration, and the slender hind 

 femora. The clypeus is much wider, and the mesial ridge is not so 

 prominent or so long as in Ctenucha, the clypeus of which narrows 

 much more rapidly towards the front edge." (Packard, loc. cit.) 



l.-SCEPIS FULVICOLLIS, (Plate l, fig. y). 



Glaucopis fulvicollis, Hiibn. 



Glaucopis semidiaphana, Harris, Cat. N. Am. Sphing. 38-4. (1839). 



Scepsis fulvicollis, Walk., C. B. M. Lep. 



Glaucopis semidiaphana^ Morris, Syn. Lep. N. Am., p. 136. (1862). 



Ctenucha fulvicollis, Clem. App. Syn. Lep. N. Am., p. 287. (1862). 



Scepsis Packardii, Grote, Proc. Ent. Soc. Phil., Vol. 4, p. 308. (1865). 



5. ?. — Head and antennse, black. Palpi, black, with a few saf- 

 fron colored hairs at the base. Prothorax, above and below, saffron 

 colored. Thorax and patagia, blackish. Abdomen and legs, blueish 

 black. 



Anterior wings, smoky black, with the costa very narrowly edged 

 with ochre, and the disc somewhat diaphanous. Posterior wings, 

 blueish black around the margins, the remainder, hyaline. 



Expanse 0/ ivittgs, 1.30 to 1.50 inches. Length of lody, o. 50 to 

 0.55 inch. 



Habiiai.—Czn^idTi West, (Coll. S. H. Scudder). California, (Coll. 

 Edwards, et als.). Illinois, Florida, [Doubleday in Harris' Ent. Corr. 

 p. 122]. Colorado Territory, (Grote, Proc. Ent. Soc. Phil., Vol. 4, p. 

 308). Texas, (Belfrage). 



This insect has a wide geographical range, as will be seen by the 

 localities quoted above. It was formerly abundant on the site of San 

 Francisco, but is no longer to be found in that locality. At Alameda, 

 on the opposite shore of the bay of San Francisco (California), my 

 friend, H. Edwards, found it in moderate abundance in August, 

 frequenting the flowers of a species of Solidago. Doubleday, in a 

 letter to Dr. Harris, (loc. cit., ) states that he took it in September, in 

 Illinois, frequenting flowers belonging to the same genus; and what 

 is remarkable, that it used to come to his lamps at night in Florida, 



