54 N.C. AGR. EXP. STA. BUL. 239 

18i 

19 
FIGURES 18-20.—18, Trichogonia isabellula Breddin (from specimens from 
Ecuador): p, Forewing. 19, 7. bolivana Distant (from specimen from , 
Ecuador), forewing. 20, 7. duplicaria (Distant) (from specimen from 
Ecuador), forewing. 
8. UPEROGONALIA, NEw GENUS 
FiGuRE 21 
Type-species: Uperogonalia reducta, n. sp. 
Length of male 6.8 mm, of female 5.9-6.0 mm. 
Head moderately produced, with median length of crown from two-thirds to 
slightly more than seven-tenths interocular width and from slightly less than 
four-tenths to slightly more than four-tenths transocular width, anterior margin 
right-angled at apex, ocelli located behind a line between anterior eye angles, 
each closer to median line of crown than to adjacent anterior eye angle, disk with 
a median and two lateral concavities separated by the elevated ocelli (the median 
concavity rarely divided by a longitudinal carina), surface of median concavity 
irregularly rugose, lateral clypeal sutures extending onto crown and attaining 
ocelli; antennal ledges not protuberant in dorsal aspect, in lateral aspect with an- 
terior margins rectilinear and slightly oblique; face with clypeus convex, muscle 
impressions distinct, transclypeal suture obscure, profile of clypellus continuing 
contour of clypeus, with fine pubescence on genae, lora, and apex of clypellus. 
Thorax with pronotal width equal to (male) or less than (female) transocular 
width of head, lateral margins convergent (male) anteriorly or parallel, dorso- 
pleural carinae oblique and complete, posterior margin angularly concave, disk 
