MICROLEPIDOPTERA OF JUAN FERNANDEZ ISLANDS — CLARKE 



17 



ish; base of costa broadly fuscous shading to lighter at middle; on 

 middle of costa an ill-defined fuscous spot followed at three-fourths 

 by a similar one; from the latter a curved, transverse line of fuscous 

 spots terminates in a moderately large fuscous spot before tornus; 

 near middle of tornus a fuscous spot; at end of cell an oval patch of 

 cinereous scales narrowly edged with fuscous ; along termen a series 

 of seven fuscous spots; surface of wing overlaid with cinereous scales, 



Figures 10-11. — Fernandocrambus arcus, new species: 10, ventral view of male genitalia 

 with left harpe and aedeagus removed; 10a, aedeagus; 11, lateral aspect of female genitalia. 



particularly along dorsum and the outer part of fold; ciha gray with 

 a narrow, median, buff line. Hindwing gi-ayish buff narrowly edged 

 with fuscous; from base of wing a narrow, triangular patch of gray- 

 ish fuscous expanding toward outer edge; cilia grayish buff with a 

 subbasal grayish band. Legs grayish buff strongly overlaid with 

 fuscous. Abdomen grayish buff with scattered fuscous scales beneath. 

 Male genitalia (shde 10144): Sacculus greatly enlarged and with 

 a stout thorn at the distal end; costa short with acute point before 



755-910 — 65 2 



