404 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxx. 



&panse oy wings. — 24 ram. 



Locality. — Jalapa, Mexico; 1 female. I have seen another female 

 from Huatuxco, Vera Cruz. Near Gathynla dilacerata Guenee. 

 Type.— Cat. No. 9151, U.S.N.M. 



GATHYNIA OCHRIPENNIS, new species. 



Forewing. — Ochreous, almost wholl}^ covered with brownish gray, 

 only the apex remaining narrowly dull ochreous; costa dotted light 

 and dark; at three-fourths a double gray crenulate line can be traced 

 from costa to cell, interrupted by the brown-gray shading below middle 

 and reaching inner margin as an oblique brown streak edged with 

 darker, but the edges not parallel as in ca^mia.^ followed by a grayish- 

 yellow short band; the anal region and extreme hind margin dusky 

 gray, with some irregular black spots before it; fringe gray, mottled 

 with ochreous. 



Hlndwing. — With the same markings as ca.ssata., but the pale 

 ground color yellowish ochreous, smeared with gray; a blotch between 

 veins 4 and 5 before hind margin; a small spot in cell below the cell 

 spot and a blotch on costa before apex are pure yellowish. 



Under side of forewing gray-brown, narrowl}" ochreous along costa 

 and again on inner margin; hindwing yellowish, with gray scales in 

 basal tuft on costa and toward apex. 



Head, thorax, and abdomen gray; the basal bl;ick belt of abdomen 

 very broad; face and foreleg dark brow^n. 



ExxKiiue of'wlngK. — 26 mm. 



Loeallty. — Orizaba, Mexico; 1 female. 



Much like G. cassata, but quite distinct. 



7y/?6.— Cat. No. 9152, U.S.N.M. 



Genus NEODETA, ne^A^ genus. 



Foreioing. — Elongate; costa straight; apex rounded; hind margin 

 obli([ue, without teeth; inner margin sinuate; a fovea in })oth sexes 

 between submedian and median veins at base. 



Trindioing. — Costa shouldered near base, insinuate in middle; apex 

 truncate to end of vein 7, where there is a blunt tooth; margin below 

 it straight, rounded before anal angle, prominent. 



Antenna' thick, lamellate; palpi short, porrect. 



Neuratlon. — Forewing, cell half as long as wing, broad; discocellular 

 vertical; veins 2 and 8 stalked; 5 from near middle of discocellular; 

 6, 7 stalked; 8, 9 stalked; 10, 11 from cell; hind wing with normal 

 neuratlon; in the male with median nervules hidden. 



Type.—Xeodeta ochr'ijdaya., new species. 



