386 PKOCEEDINGS OF THE NATIONAL MUSEUM vol.86 



1. AMALAFRIDA LEITHELLA (Dyar) 



PiATES 31, 42, 50 ; Figubes 29-29d, 68-68a, 12S-128c, 129 

 CactoUastis leithella Dyab, Proc. Ent. Soc. Washington, vol. 30, p. 135, 1928. 



Male. — Palpi whitish, peppered with pale fuscous. Head and 

 thorax ocherous-fuscous with a very faint rufous tint, some white 

 dusting on thorax and the thoracic hind margin shaded with black. 

 Fore wing with the areas between cell and costa, between vein lb and 

 inner margin for a short distance, and along costal half of termen 

 white with a scattering of black scales; ground color of remaining 

 areas ocherous-fuscous, very faintly shaded with rufous above inner 

 margin; transverse and discal markings black; antemedial line in- 

 complete, indicated by a thin, blackish, irregular line from inner 

 margin to cell and a broad black streak from costa to about middle 

 of the fold (in some specimens this fuses with a black streak, which 

 extends from middle of vein lb to end of cell) ; subterminal line 

 black, faint (obscured below vein 6 in some specimens), sinuate and 

 dentate, outwardly bordered by a whitish line and beyond this by a 

 second, very faint, parallel, pale-fuscous line; at end of cell a large, 

 irregular, black spot; a line of distinct black dots along termen be- 

 tween the vein ends. Hind wing white, semihyaline, with a narrow 

 pale-fuscous shade along costa and termen ; cilia white with a f uscou3 

 basal band. 



Alar expanse, 30-32 mm. 



Genitalia (figs. 29-29c) with characters as given for the genus. 



Female. — Similar to the male in color and markings except hind 

 wing dark smoky fuscous shading to white toward base. 



Alar expanse, 31-33 mm. 



Genitalia ,figs. 68-G8a) with bursa very large and irregularly 

 shaped, minutely scobinate. 



Type. — In United States National Museum. 



Type locality. — Curasao, Dutch West Indies. 



Food plant. — Opuntia {Platypimtia) sp. 



Distribution. — Dutch West Indies: Curasao (Jan.). Venezuela. 

 Caracas (Jan.). Colombia: Province of Colombia (Jan.). 



Nine specimens examined. 



Reinarkn. — Superficially leithella resembles C actohlastis cacforum 

 but is easily distinguished on structural characters of the male and 

 female genitalia and of the male antennae. 



16. Genus OZAMIA Ragonot 



Ozamia Ragonot, M6moires sur les L^pidoptdres, vol. 8, p. 34, 1901. (Genotype: 

 Trachonitis lucidalis Walker.) 



Antenna of male serrate (except in hemilutella and punicans, 

 where it is simple) and pubescent with a series of modified, papilla- 



