Ileterocera from Costa Rica. 405 



larger towards last segment, and only separated by a black 

 subdorsal line on the two segments before the last. Pri- 

 maries shining lilacine brown, with the dark lines as in 

 P. inermis, but the outer portion of postmedial continues to 

 inner margin near tornus. Secondaries black, with a semi- 

 hyaline white space at base, below cell, and slightly in cell. 

 Wings below black, with only the semihyaline space on 

 secondaries. 



Expanse, $ , 50 mm. 



The female differs in having the abdomen orange dorsally, 

 except a black subdorsal space on two basal segments, ami 

 fine black transverse lines on the two following segments. 

 The secondaries underneath immediately distinguish this 

 species from the female of P. inermis. 



Expanse, ? , 52 mm. 



Hub. Juan Vinas. 



Pachydota nitens, ab. roseitincta, ab. nov. 



<^ . Similar to P. nitens, but with the dorsal black band 

 broader, leaving five lateral orange spots. Underneath, the 

 secondaries have the hyaline space broadly edged above and 

 below with roseate, which shows through on the upper 

 surface. 



Expanse 50 mm. 



Hob. Tuis; May. 



Opharus roseistriga, sp. n. 



Palpi dark brown, the second segment shaded with buff. 

 Frons dark brown. Vertex and patagia dorsally light buff. 

 Collar roseate, shaded with brown posteriorly. Patagise 

 outwardly dark brown. A roseate spot on thorax posteriorly. 

 Abdomen blackish brown ; a lateral roseate streak extending 

 dorsally on last segment ; anal hairs pale buff. Legs brown, 

 the tarsi tinged with buff. Primaries dark brown, with a 

 vague darker shade at end. of cell ; the costal margin brownish 

 buff. Secondaries dark brown, slightly hyaline in, below, 

 and beyond cell. 



Expanse 43 mm. 



Hab. Juan Vinas ; June. 



Allied to 0. Units, Schs. 



Agorcea inconspicua, sp. n. 



Head, collar, and anal segments orange; some brown on 

 frons. Palpi, thorax, and abdomen brown, the outer portion 



