500 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 95 
a sinuate apical margin, and in the shape of the vertex, which is not 
produced anteriorly. 
Genotype: Huhyloptera corticalis, new species. 
EUHYLOPTERA CORTICALIS, new species 
PLATE 16, Figures 479-486 
Male: Length, 4.7 mm.; tegmen, 4.8mm. Female: Length, 5.0 mm.; 
tegmen, 5.1 mm. Frons broader than long (1.2:1). 
Testaceous or pale fuscous; genae and antennae pale yellow, mes- 
onotum sometimes reddish brown, genitalia fuscous; tegmina brown, 
costal membrane, a line along Sc, R, M and Cu, about level of fork, 
a short band near apex of clavus, and membrane distad of node 
fuscous; veins pale testaceous; wings fuscous, veins dark. Insect 
in life powdered dull brown. 
Pygofer of male with anal angles of each side produced into a 
blunt lobe, lateral margins straight. Genital styles broad, dorsal 
margin straight, excavated subapically, ventral margin strongly con- 
vex, apical process broad, truncate distally, with a minute point di- 
rected obliquely downward and backward. Aedeagus tubular, curved 
upward distally, periandrium tubular, a serrate ridge on each side 
dorsolaterally at base, posterior dorsal margin pointed, posterior 
ventral margin broadly rounded; a long spinose process arising on 
each side near apex, curved ventrally and anteriorly, angularly bent 
at middle, and giving off at this point a slender filament directed 
posteriorly; penis broadly tubular, cleft at apex, with a short spine | 
directed anteriorly and outward on each side of apex. 
Keg 0.8 mm. long, 0.4 mm. wide, bluntly ovoid, not operculate. 
Described from 9 males and 18 females taken by the writer at 
Santa Margarita, Trinidad, B. W. I., on various dates between May 
and December 1942 feeding on Lantana camara, Cordia sp., and low 
bushes. Holotype male and allotype, U.S. N. M. No. 56709; paratype 
in B. M. N. H. 
116. Tegmina not steeply tectiform, nearly horizontal or gradually tectiform. 
Subfamily FLATOIDINAE 
Genus FLATOIDINUS Melichar 
Fiatoidinus MELICHAR, Genera insectorum, fase. 182, p. 117, 1928. (Genotype, 
Poeciloptera convivus Stal, Svenska Vet.-Akad. Handl., vol. 3, No. 6, p. 13, 
1862. ) | 
Head with eyes narrower than the pronotum; vertex broader than 
long; frons rather longer than broad. Pronotum about as long as 
vertex; mesonotum broader than long. Tegmina with costal margin 
