8 PROCEEDINGS OF THE NATIONAL MUSEUM vol. no 



A female from Santa Clara Valley, Costa Rica has been referred to 

 this species by Druce and by Hampson. It will be necessary to 

 examine the specimen to determine whether it is correctly placed. 

 It is possible that it should be referred to the following species, atriora. 



Remarks: Because I have this species only from localities in or 

 to the north of Guatemala, and because it was not found in the large 

 series of noctuids collected by Zetek and others on Barro Colorado 

 Island, Canal Zone, Panama, the type locality (Panama) cited by 

 Druce might be incorrect. Unless Druce misread the locality label 

 on the type, it does not seem likely that it could be proved that an 

 error might have occurred. On the other hand, the existence of 

 specimens from Costa Rica and/or Panama or the subsequent collec- 

 tion of the species from those coimtries would certainly eliminate any 

 doubt as to the correctness of the type locality. 



Method of determination: This species is easily recognized by the 

 excellent illustration of the female type accompanying the original 

 description. 



Eusceptis atriora, new species 



Figures 6, 23 



Head with proboscis well developed; labial palpi small, very slightly 

 curved dorsad, apical segment slightly exceeding ventral margin of 

 frons, third segment very short (0.3 mm.), second segment four times 

 as long, vestiture mainly of appressed, pale yellow scales except longer 

 and looser along ventral margin, especially first segment and base of 

 second segment, dorsum and dorsolateral area of second segment dark 

 brown or black; frons smooth, scarcely exceeding anterior margin of 

 eye, vestiture of appressed, down and incurved pale yellow scales; eyes, 

 large, hemispherical, naked, about equal to frons in width; ocellus 

 smaU (0.1 mm.), adnate to upper margin of eye immediately caudad of 

 base of antenna; antenna black, filiform, spiculate laterally and 

 ventraUy, the spicules of the male about twice as long (0.1 mm.) as 

 those of the female and more numerous. Vestiture of patagia, 

 tegulae, and thorax a mixture of pale yellow haii' and scales ; a slight 

 decumbent, metathoracic crest present. Abdomen orange dorsally 

 and laterally, pale yellow or white ventrally with terminal black scales 

 on segments 3 to 7 in the females, the males with much less black 

 scaling except on segment 7; dorsal tufts absent. Pectus clothed with 

 large, pale yellow or white scales and long, sparse, white hair; tympa- 

 num shielded dorsally by a very large alular fan of broad pale j^ellow 

 scales. Legs banded with dark brown and pale yellow or white scales, 

 the dark brown scales highly iridescent in certain lights; foreleg with 

 tibia and tarsus clothed with dark brown scales except some pure white 

 scales at base and apex of first tarsomere and at base of second tar- 



