228 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxm. 



is freely dusted with black and purple scales. Cilia 3^cllow, dusted 

 with black, Hindwings purplish gray, cilia with yellowish tinge. 

 Abdomen white with rust-red shadings; underside and legs white; 

 tarsi with black annulations. 



Venation. — Forewings: 12 veins, 7 and 8 stalked. Hindwings: 

 termen sinuate, apex produced, 8 veins, 3 and 4 connate, and 7 

 parallel. 



Alar expanse, 10 mm. 



Described from 4 specimens, issued March 8 to 10, from Iva Imhri- 

 cata, collected by Dr. Dyar at Palm Beach, Florida. 



ryy76^— No. 4934, U.S.N.M. 



The larv^a mines the thick, fleshy leaves, eating out irregular tracks 

 or blotches, and pupates outside the mine (in nature probably in rub- 

 bish on the ground) in a slight web. Larva is slender, cylindrical, 

 white with dark-brown head and light-brown thoracic plate. Length, 

 when full grown, about 10 mm. 



NEALYDA Dietz. 

 Nealyda Dietz, Entomol. News, Phila., XI, 1900, pp. 350, 851. 



Dr. Dietz erected this genus on a single species, hifidella Dietz, 

 collected in Colorado, an authentic specimen of which is before me. 

 He places it in the Elachistida?, near Scythris, but it belongs undoubt- 

 edly in the Gelechiidas. 



There are a few misconceptions in his characterization of the genus. 

 The posterior tibite are hair}^, not smooth, and Dr. Dietz's explana- 

 tion of the venation of the hindwing is in variance with his figure and 

 not <|uite correct. I would give it thus: Six veins, 5 and 6 absent, 

 cell open between 4 and 7, 7 to apex, 2 and 3 remote out of 4. What 

 Dr. Dietz takes to be veins 5 and 6 are not true veins, Ijut folds, and 

 it is not the costal, but the subcostal, (vein 7) which reaches nearl}^ to 

 the extreme apex. 



The genus is nearest Didactylota Walsingham (Plate 1, fig. 4), and 

 belongs to that group of Gelechiids in which the median vein system 

 of the nindwing is strongly developed at the expense of the middle 

 part of the wing.^ I suspect that Walsingham's Didactylota hicolor^ 

 from St. Vincent will be found to belong to this genus. 



* As will be seen by comparing the venation of Didactylota .vicUrnelbt "Walsingham 

 with that of the D. kinkcreUa Snellen type of thegenuH (Tijdschrift voor Entomology, 

 1876, pi. 1), it is really quite different from this and might well ])e separated gener- 

 ically. The long, very different lal)ial palpi of sneUcnella also sliows that it only tem- 

 porarily has found a place in that north Furopean genus. In fact, Nealyda seems 

 nearer the type of Didactylota than snellenella, but still I think the former genus is 

 well founded. 



2 Proc. Zool. Soc. London, 1891, p. 523. 



