no. 1815. SOUTH AMERICAN TINEOID MOTHS— BUSCK. 211 



edge before the middle of the wing, and by a group of deep blackish 

 brown scales at apical third. Hindwings light yellowish fuscous. 

 Abdomen and legs ocherous. 



Alar expanse. — 16-18 mm. 



Habitat. — Castro, Parana, Brazil. Schaus collection. 



Type.— Cat. No. 13564, U.S.N.M. 



This species reminds one in form and ornamentation of the wings 

 somewhat of certain Cerostoma species. 



GONADA, new genus. 



Type. — Gonad, a falculinella, Busck. 



Labial palpi recurved, reaching vertex; second joint thickened with 

 appressed scales; terminal joint shorter than second, slim, smooth, 

 pointed. Antenna? f , finely serrated and ciliated ; basal joint without 

 pecten. Tongue short. Forewings two and one-half times longer 

 than broad, falcate; costa strongly arched; apex pointed, produced 

 over the deeply incised termen; anal angle strongly produced; dor- 

 sum sinuous. Twelve veins; 7 and 8 stalked, both to costa; 9 

 separate; 10 distant; lower corner of cell, bearing 2, 3, 4, and 5, 

 strongly produced; 3 and 4 connate. Hindwings as broad as fore- 

 wings; costa straight; termen and dorsum evenly rounded; 8 veins; 

 6 and 7 parallel; 5 cubital, parallel with 4; 3 and 4 short-stalked. 

 Posterior tibia? roughly haired above. 



Allied to Necedes Walsingham, differing in wing form and palpi and 

 in the connate veins 3 and 4 of the forewings. 



GONADA FALCULINELLA, new species. 

 Plato 8, fig. 5. 



Labial palpi light yellow, with a dark brown longitudinal streak on 

 the upper side of second joint from base to apex, continued on the 

 anterior side of terminal joint. Face whitish, ocherous brown along 

 the eyes. Head and thorax light ocherous. Antenna? light ocherous, 

 dotted with dark brown above. Forewings light purplish brown 

 with dorsal area below the fold from base to apical third of dorsum 

 light yellow. The entire wing is sparsely and irregularly sprinkled 

 with black atoms. Costal edge narrowly blackish brown. Cilia 

 light brown, with tips black at tornus. Hindwings light yellowish 

 fuscous; cilia light yellow. Abdomen light yellow. Legs whitish, 

 forelegs blackened exteriorly. Underside of forewings brown with 

 the dorsal yellow design of the upper side plainly discernable. 



Alar expanse. — 23 mm. 



Habitat. — St. Jean, Maroni River, French Guiana. Wm. Schaus, 

 collector. 



Type— Cat. No. 13565, U.S.N.M. 



This species has a close superficial resemblance to Falculina 

 ochricostata Zeller. 



