THE CANADIAN ENTOMOLOGIST. 175 



Didasys Belae, ?i. s. 



Vertex, collar, base of the primaries and palpi orange ; terminal 

 palpal joints blackish. Antennae black ; legs blackish, streaked with 

 whitish and with whitish fore coxae. Abdomen above orange scarlet, 

 terminal segments with short lateral fluffy tuftlets, the terminal ones 

 touched with black. Thorax and patagia black, neatly lined with pale. 

 Abdomen beneath orange at base, the terminal portion whitish with 

 blackish incisures. Fore wings pellucid ; veins black marked. A wide 

 black terminal band enclosing a series of six interspaceal orange yellow 

 spots, arranged subterminally in a series following the shape of the 

 terminal margin. An orange yellow discal spot narrowly edged with 

 black. Internal margin blackish, narrowly streaked with yellow. Hind 

 wings pellucid, with black borders and the costal edge narrowly yellowish. 

 Beneath as above, the spots of a paler orange. The $ has a dorsal row 

 of abdominal black dots ; anal segments terminally brownish ; the dorsal 

 abdominal markings are very slightly shown by the $ on close inspection. 



J, Cedar Keys, June 4, expands 26 m. m.; the two terminal tufts are 

 3 m. m. in length. 



Dahana*, n. g. 



A form between the clear-winged Glaucopid genera and Ctenncha. 

 The narrow primaries are one-third longer than the entire body. Both 

 pair of wings are closely scaled, cyaneous black terminally, but mostly 

 dead black. Antennae long, plumosely pectinate in the male, serrate in 

 the female. Abdomen rounded terminally, without anal tufts in the male, 

 short in both sexes and plump. Ocelli near the margin of the narrowed 

 naked eyes. Palpi exceeding the front. 



Dahana atripen?iis, 11. s. 



Face mixed cyaneous and yellow ; orbits of the eyes, palpi at base, 

 sides of the thorax in front dark yellow ; terminally the palpi are black. 

 Thorax beneath cyaneous, brilliant ; above black with yellow edges to the 

 patagia at base and streaked with cyaneous. Abdomen brilliant blue 

 laterally at base, else orange above in the male, yellow in the female. 

 Fore wings dull black, slightly blue outwardly in male, with a yellow fleck 

 above internal angle. Hind wings cyaneous black above, with short pale 

 fringes. Beneath fore wings more blue at base, with the yellow streaky 



* Sanskrit : the Dawn. 



