Agaristidae 



the same as those of Glover's Purslane Moth, though up to the 

 present time no one has described them. 



Genus TUERTA Walker 



Only one species of this genus, which is better represented in 

 Africa than in America, is found within our borders. 



(i) Tuerta sabulosa Boisduval. (The 

 Sand-dune Moth.) 



Syn. noctuiformis Mceschler. 



The moth has the primaries grayish-brown 

 marked with white at the insertion of the mk\ 

 wings. The secondaries are bright orange- 

 yellow, with a wide black marginal border, 



, . ., . -p, , , .. c , Fig. Si Tuerta sa- 



as represented in the cut. The habitat of the , , * , 



r bulosa, o . j-. 



insect is Arizona and Mexico. 



Genus ALYPIA Hiibner 



This genus is well represented within our territory. The 

 following synopsis of the species is adapted from Hampson: 



I. (Androloma.) Fore wing of male with a dilation of costa and 



a groove of ribbed membrane below it from base ex- 

 tending beyond middle mac-cullochi 



II. Fore wing of male with a postmedial dilation of costa and 



groove of ribbed membrane below it ; wing elongated. 



a. Fore wing with the markings yellow disparata 



b. Fore wing with the markings white brannani 



III. {Alypia.) Fore wing of male without dilation of costal area 



or grove. 



A. Fore and mid tibiae, orange; hind wings marked with 



white. 



a. Discal spot of fore wing longitudinal octomaculata 



b. Discal spot of fore wing transverse wittfeldi 



Hind wings marked with yellow. 



c. Hind wing with subbasal yellow spot dipsaci 



d. Hind wing without subbasal yellow spot langtoni 



B. Mid tibiae only orange. 



a. Wings with the spots not traversed by black veins . .mariposa 



b. Wings with the spots traversed by black veins . . . .ridingsi 



(i) Alypia mac-cullochi Kirby, Plate XVII, Fig. 13, &. 

 (MacCulloch's Forester. ) 



Syn. lorquini Grote & Robinson; similis Stretch; edwardsi Boisduval. 



The habitat of this species is Canada and the Rocky 

 Mountains northward to Alaska. 



143 



