100 PROCEEDINGS OF THE NATIONAL MUSEUM vol. lie 



14. Inception of ductus seminalis near ostium bursae; ductus bursae with 



corrugated, pouchlike area just before ostium . L. maculata, new species 



Inception of ductus seminalis near corpus bursae; ductus bursae not as 



above 15 



15. Ductus bursae with corrugated, ribbon-like sclerotized area from ostium to 



inception of ductus seminalis L. invigilans (Meyrick) 



Ductus bursae with patch of small spines near inception of ductus seminalis. 



L. bovinella (Busck) 



Lethata trochalosticta (Walsingham), new combination 



Figures \h-d, 4a 



Stenoma trochalosticta Walsingham, 1913, in Godman and Salvin, Biologia 

 Centrali- Americana, vol. 42 (Lepidoptera-Heterocera, vol. 4), p. 177. 



Alar expanse 36 mm. 



Antenna brownish. Head brownish gray shaded with rose; second 

 segment of labial palpus rose on outer side, whitish on inner side, 

 apical segment whitish. Legs whitish shaded with rose. Thorax deep 

 ochreous with brownish-yellow tuft of white-tipped scales medially. 

 Forewing deep ochreous with costa rosy red to apical third; from 

 middle of base a reddish-brown shade blends outward and downward 

 with ground color; spot at end of cell composed of ring of reddish 

 brown enclosing spot of rosy red with fuscous spot in its center; cilia 

 dark gray basally, lighter beyond. Hindwing whitish ochreous slightly 

 overcast with gray scales; cilia rosy. 



Male genitalia (slide WDD 2100, type): Uncus bluntly pointed 

 apically, shghtly recurved; gnathos short, apex flattened dorsally; 

 harpe broad basally, sacculus produced into lobe that bears two long, 

 heavily sclerotized setae, apex rounded; anellar lobes symmetrical, 

 slightly recurved and bearing long setae apically; aedeagus with 

 ventral lip of apex extending beyond dorsal lip and acute at apex, 

 vesica armed with numerous spiculate cornuti. 



Female genitalia: Unknown. 



Type: In the United States National Museum. 



Type locality : Chiriqui, Panama. 



Distribution: Panama: Chiriqui. Costarica: Sixaola River. 



This species may be distinguished from other species of Lethata by 

 the conspicuous ocellate spot at the end of the cell in the forewing 

 and the saccular lobe bearing two long, heavily sclerotized setae on 

 the harpe of the male genitalia. 



Lethata aromatica (Meyrick), new combination 



Figures lk,l, 46 

 Stenoma aromatica Meyrick, 1915, Exotic Microlepidoptera, vol. 1, p 449. 

 Alar expanse 21-22 mm. 

 Antenna brown. Head brown; labial palpus whitish ochreous. 



