73 



Habitat. Florida, Texas, Jamaica, South America. 

 Food plant and early stages unknown. All the types are 

 still in existence, except that of pusillalis Hub., but of this 

 we have a recognizable figure. The type lacteella is in the 

 Fabrician collection in Copenhagen, and the Zeller types 

 are in the British Museum. 



DIATR^A GUILDING. 







Face with a conical projection ; eyes large, sub-hemispher- 

 ical ; ocelli absent ; antennae about two-thirds as long as the 

 costa, ciliate in both sexes, more strongly in the male ; labial 

 palpi porrect, about three times as long as the head ; tongue 

 rudimentary ; thorax smooth ; abdomen in the male with a 

 moderate anal tuft ; legs stout, of medium length, outer 

 spurs about two-thirds as long as the inner. Fore wings, 

 about two and one-half times as long as wide in the male, a 

 little longer in the female, with twelve veins, 8 and 9 from 

 a stalk, 11 and 12 coalesce for a short distance in some of 

 the species ; cell closed. Hind wings one and one-half times 

 longer than wide, with eight veins, 4 and 5 from one point 

 or stalked ; cell closed. 



SYNOPSIS OF THE SPECIES. 



( Fore wings bluish gray, without marks or dots, . . idalis. 



\ Fore wings yellow or brown, 2. 



( Fore wings seal brown or yellowish brown, . male differ entialis. 



\ Fore wings pale ochre-yellow, 3. 



f Fore wings with a terminal dark line, .... alleni. 



\ Fore wings with terminal dots, 4. 



( Expanse more than one inch and a half, female differentialis. 



\ Expanse less than one inch and a half, . . . saccharalis. 



