NO. 1463. REVIEW OF THE GENUS COSMOPTERYX—BVSCK. 711 



COSMOPTERYX CHALYB^LLA Walsingham. 



Cosmopteryx chalijhitila "Walsingham, Dyar, Gat. N. Am. Lep., 1903, No. 6061. 



I have examined the type in Lord Walsingham't^ collection, but ni}^ 

 notes on it are not so full as I would like. I know of no other specimens 

 of this species, which, according- to Lord Walsingham, has apex of 

 antennae white, " with two or more white rings preceded by a dark 

 band before it."" The species was described from Texas. 



COSMOPTERYX DELICATELLA Walsingham. 



Cosmopteryx delicatella Walsingham, Dyar, Cat. N. Am. Lep., 1903, No. 6063. 



The type of this species from North Carolina is in Lord Walsingham's 

 collection, where I have examined it. In the U. S. National Museum 

 is a specimen from Washington, District of Columbia (Busck). The 

 attennffi ornamentation is, according to the description, as follows: 

 "Brown, the apex broadly white with two narrow white rings separated 

 from apex by a still broader brown band." 



COSMOPTERYX MINUTELLA Beutenmiiller. 



Cosmojo<eri/a- min'.t^f //a Beutenmuller, Dyar, Cat. N. Am. Lep., 1903, No. 6069. 



The type (No. 497) of this species is in LT.S. National Museum; it is 

 minus antenna and not in very perfect condition otherwise, but is 

 easily distinguished from the preceding and from the following species 

 with which it has the black spot on the basal part of the fascia in com- 

 mon by the characters, given in the sj^noptic table. The description 

 gives no mention of the antennae and I know of no other specimen 

 besides the tj^pe. 



COSMOPTERYX FERNALDELLA Walsingham. 



Cosmopteryx fernaldella Walsingham, Dyar, Cat. N. Am. Lep., 1903, No. 6064. 



This species is, as mentioned by the writer,^ the same as described 

 by Beutenmiiller as Cosmopteryx Jloridanella'^ and by the writer as 

 C. nigrapimctella. In the U. S. National Museum are, besides the 

 types of both these species, other specimens from Hasting, Florida, 

 Washington, District of Columbia (Busck), and Hazleton, Pennsjd- 

 vania (Dietz). I have examined Lord Walsingham's types in Professor 

 Fernald\s collection and in England. The coloration of the antenna? 

 distinguishes this also otherwise very distinct species from the other 

 American forms; apical joint is black, the next 6 or 7 joints white, the 

 following 2 black, and the next 2 white. 



« Insect Life, I, 1889, p. 289. 



&Proc. TJ. S. Nat. Mus., XXVII, 1904, p. 769. - 



cDyar, Cat. N. Am. Lep., No. 6065. 



