138 PROC. ENT. SOC. WASH., VOL. 24, NO. 6, JUNE, 1922 



double ochraceous buff subterminal line outcurved from costa to near termen, 

 deeply inangled on vein 2, and again outcurved followed on veins 7 and 8 by 

 ochraceous buff streaks; a fuscous terminal line at apex, changing to minute 

 paired spots at veins 6-4, below vein 2 and 3 a single larger black spot; cilia 

 silvery tipped with fuscous. Hind wings white. 

 Expanse 18 mm. 



Habitat. Quirigua, Guatemala. 

 Type Cat. No. 25552, U. S. N. M. 

 Closely allied to H. squamulellus Zeller. 



y Haimbachia prestonella, new species. 



Male. Head and body white; palpi with a few gray brown hairs laterally 

 and near tip; abdomen dorsally ochraceous buff at base. Legs white, the tarsi 

 with brown rings. Fore wings white irrorated with coarse black scales to post- 

 medial line, with finer black scales on space beyond; postmedial line cinnamon 

 buff, outcurved around cell, vertical below vein 2, followed on costal margin 

 by a similar oblique line; subterminal line double, outcurved on costa where it 

 is cinnamon buff, from vein 8 to inner margin fine, black; terminal cinnamon 

 buff streaks on veins 6-8 finely edged with black; a terminal fine black line and 

 one on cilia. Hind wings white suffused with light grayish buff. Wings below 

 fuscous gray; a dark terminal line; cilia white tipped with black on fore wing; 

 inner margin of hind wings white. 



Expanse 12 mm. 



Habitat. Venadio, Sinaloa, Mexico. 

 Type Cat. No. 25553, U. S. N. M. 



y Diatraea guatemalella, new species. 



Mate. Head, palpi and body light ochraceous buff, the base of abdomen 

 dorsally cinnamon. Body below and legs light buff. Fore wings light buff; 

 warm buff streaks in cell and interspaces; the median, submedian and veins 

 from cell finely brown; a black point at end of cell; postmedial line deeply out- 

 curved around cell indicated by streaks on veins from costa to vein 6, then by 

 small clusters of scales, partly suffusing and inbent to inner margin near base, 

 below vein 2 expanding into a spot; a subterminal series of black points on veins, 

 outcurved and inbent to inner margin; terminal black points on interspaces. 

 Hind wings whitish buff with terminal black points. 



Expanse 25 mm. 



Habitat. Cayuga, Guatemala. 

 Type. Cat. No. 25554, U. S. N. M. 



Near D. tabernilla Dyar, but differs in genitalia and the 

 absence of tufts on hind tibiae. 



v Diatraea postlineella, new species. 



Male. Head light buff. Thorax and abdomen above wood brown, the base 

 of abdomen shaded with rufous; underneath white, legs light buff. Fore wings 

 light buff irrorated with wood brown; a minute cluster of black scales at end of 

 cell; a postmedial and subterminal series of similar clusters, deeply inbent from 



