64 PROCEEDINGS OF THE NATIONAL MUSEUM vol. us 



Type: In the British Museum (Natural History). 



Type locaUty: Chiriqui, Panama. 



Abdomen with strong, median, eversible scale-tuft from first ster- 

 num of male. 



Male genitalia: Harpe broadest about middle, tapering abruptly to 

 a bluntly pointed cucullus; sacculus with short distal protuberance, 

 the latter with strong cluster of hairlike setae; from center of harpe a 

 stout clasper extends toward cucullus for about half the length of 

 harpe; clasper clothed with very strong setae for almost its whole 

 length. Anellus subquadrate, posteriorly divided into two long, digi- 

 tate processes, and with a long, slender, pointed process arising on 

 each side from about middle. Aedeagus stout, curved, with distal 

 end depressed, spatulate; vesica armed with strong cluster of cornuti. 

 Vinculum rounded, Gnathos terminating in a wide, curved plate 

 clothed with fine setae. Socii small, elongate lobes. Uncus ter- 

 minating in widely divergent curved processes. 



Female genitalia: Posterior third of ductus bursae sclerotized and 

 dilated before ostium; inception of ductus seminalis dorsal, at point 

 of constriction of ductus bursae before ostium. Signum an elongate 

 dentate plate. 



Slides examined: cfcf, AB 25.ii.1920; JFGC nos. 4232, 10122, 

 10123, 5096 (paratype in BM); 99, JFGC nos. 4233, 10125, 10126, 

 10127. 



Although recorded from several widespread localities by Walsingham 

 and from Venezuela by Amsel, melobaphes appears to be restricted to 

 Central America. The distribution, according to specimens in the 

 U.S. National Museum, is as follows: 



Costa Rica: Juan Viuas, 3 cf cf, 2 9 9; Sixola River, 399 (Wm. Schaus); 

 Panama: Cabima, 3 cfcf, 2 9 9 (May, 1911; August Busck). 



One of the specimens from the Sixola River is labeled "Gonionota 

 melobaphes Wlsm." in Walsingham's handwriting. 



Gonionota contrasta, new species 



Figures 2a-d; Plate 1 (Fig. 4), 2 (Fig. 2) 



Alar expanse 19-21 mm. 



Labial palpus buff yellow; second segment strongly overlaid with 

 reddish ocherous anteriorly and on outer side; third segment tinged 

 with reddish ocherous and with a cluster of black scales subapically. 

 Antennal scape silvery white ventrally, reddish ocherous dorsally; 

 remainder of antenna reddish ocherous basally shading to fuscous 

 apically. Proboscis silvery white. Head and thorax buff yeUow 

 heavil}^ overlaid with reddish ocherous; posterior thoracic tuft tipped 

 fuscous. Forewing ground color sayal brown blotched and suffused 

 with fuscous; from base of wing broad, elongate, obhque reddish 



