NO. 35S5 MICROLEPIDOPTERA, XII — DUCKWORTH 11 



transverse faint fuscous line at apical fourth; cilia brown. Hindwing 

 fuscous, cilia gray, 



Male genitalia (slide WDD 3G26, type): Uncus short, recurved; 

 gnathos with dorsal lobe producing teardrop shape to apex; harpe 

 broadest at midpoint; anellar lobes symmetrical, broad basall>, with 

 large hooklike process at apex; aedeagus sinuate, pointed at apex, 

 vesica without cornuti. 



Female genitalia: Unkno^^^l. 



Type: In the collection of the U.S. National Museum, no. 69085. 



Type-locality: El Valle, Code Prov., Panama. 



Distribution : Known only from the type-locality. 



Described from the male holotype; "Panama: El Valle, Code Prov., 

 22.IV.65 (S. S. and W. D. Duckworth)." 



The extraordinaiy development of the anellar lobes readily dis- 

 tinguishes this species. 



Lethata gypsolitlia (Meyrick), new combination 



Plate 1 (fig. 5); Figures 7, 8; Map 7 

 Stenoma gypsolitlia Meyrick, 1931, Exotic Microlepicloptera, vol. 4, p. 38. 



Alar expanse 23 mm. 



Antenna bro\^^lish. Head bro^viiish gray shaded with rose; second 

 segment of labial palpus brown, apical segment whitish. Legs 

 whitish. Thorax and tegula bro\^^lish ochreous. Forewing brownish 

 ochreous with fauitly rose costa; few to many scattered dark scales 

 irregularly scattered over entu-e wing; a faint, outwardly curved, 

 transverse Ime at apical fourth extendmg from costa to dorsum; at 

 end of cell a fuscous spot or a circle of fuscous scales enclosuig a gray- 

 whitish spot. Hindwing ochreous overcast with gray scales; cilia 

 ochreous. 



Male genitalia (slide WDD 3341, type) : Uncus truncate, slightly 

 recurved; gnathos bluntly rounded; harpe bluntly pointed at apex; 

 anellar lobes symmetrical, without processes, smoothly roimded at 

 apex; aedeagus with slightly recurved process at apex, vesica armed 

 with one long, slender cornutus. 



Female genitalia: Unknown. 



Type : In the Naturhistorisches Museum, Vienna, Austria. 



Type-locality: San Bernardino, Paraguay. 



Distribution: Paraguay; San Bernardino (no date). Argentina: 

 Territ des Missions (September). 



This species is kno^^^l only from the male type in the Naturhisto- 

 risches Museum, Vienna, and one male specimen from Argentina in 

 the collection of the United States National Museum. 



