30 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 125 
genus, from which it may be separated by the lack of the spot of dark 
hair on the forewing and the longer apical and shorter lateral pro- 
cesses of the aedeagus. I take pleasure in naming this species for 
Mr. John D. Archbold, one of the sponsors of this survey. 
14 
Ficures 66-74.—Leptonema archboldi, new species: 66, male genitalia, lateral; 67, tip of 
aedeagus, dorsal; 68, tip of aedeagus, lateral; 69, larval coxa, dorsal; 70, female genitalia, 
lateral. L. albovirens (Walker): 71, male genitalia, lateral; 72, tip of aedeagus, lateral; 
73, female genitalia, lateral; 74, larval coxa, dorsal. 
Apvuut.—Length of forewing: male 12-13 mm, female 14-15 mm. 
Color pale green when alive, becoming brownish after death. Female 
with a yellow cellule on 1A of hindwing. Male genitalia: ninth segment 
narrow, slightly produced dorsomesally; tenth tergite broadly tri- 
angular, with a produced hirsute knob near ventral angle, and a 
setose patch dorsally; clasper long and slender, without basomesal 
process, basal segment with rows of spinelike setae apicomesally, 
