86 BULLETIN UNITED STATES GEOLOGICAL SURVEY. 



probability is that qucrcicella Zell. {nee Clem.) is tbe same species that 

 I have referred to above, and which I formerly identified with fa ginella, 

 but which 1 now incline to consider distinct, and for which I suggest the 

 name of cressonella. I, however, do this with some hesitation ; for while, 

 with the materia] before me, I consider the species distinct, I recognize 

 the probability that, with fuller collections of bred specimens of all the 

 supposed species, it is not improbable that they will be deemed at most 

 only pbytophagic varieties of a single species. 



I am not sure but that the species described by me as Gelechia dubi- 

 tella is properly referable to this genus. 



C? OBSCUROMACULELLA, 11. Sp. 



The palpi in this species resemble those of dubitella above mentioned, 

 and are more robust than in qucrcicella, cryptolechiella, &c, mentioned 

 above. 



Pale ochreous,so densely dusted with fuscous as to obscure the ground- 

 color; on the fore wings the dusting is least dense along the fold and 

 about the base. The epots on the wings are small, indistinct, and easily 

 effaced; one of them is about the middle of the fold, and one near its 

 end, one above the fold before the middle, one a little larger farther 

 back, a small one at the end of the cell, and four or five indistinct ones 

 are placed farther back, within, but parallel to, the apical margin. The 

 basal half of the outer surface of the secoud joint of the palpi is brown ; 

 third joint ochreous ; legs blackish-brown. Alar expansion about half 

 an inch. Bosque County, Texas. 



GELECHIA. 



G. DISCONOTELLA, 11. sp. 



Palpi simple; second and third joints of equal length. Hind wings a 

 little narrower than the fore icings, and rather deeply excised beneath the tip. 

 Pale fuscous, or rather ochreous-yellow, irrorate with fuscous, with a 

 faint silky-roseate hue, and with a longitudinal-elliptical brown spot at 

 the end of the cell. Auteuuse white, annulate with brown. Palpi brown, 

 with the tip of the second joint white, and a wide band of the general 

 hue on the middle of the third joint; legs brown on their anterior sur- 

 faces. Hind wings paler than the fore wings. Alar expansion three- 

 eighths of an inch. Kentucky, in May. 



G. SYLViECOLELLA, W. Sp. 



Allied to bimaculella Cham., but smaller, and with more of a purplish- 

 bronze lustre. Palpi simple. Hind icings as wide as the fore wings, and 

 a little excised beneath the tip. Palpi ochreous, with the base of the third 

 joint, an annulus about its middle, and also an annulus about the mid- 

 dle of the second joint blackish. Antenna? blackish, faintly annulate 

 with ochreous. Head pale ochreous, dusted above the antennae with 

 blackish scales. Fore wings and thorax blackish, microscopically dusted 



