S PROCEEDINGS OF THE NATIONAL MUSEITM. vol.. (if,. 



STEGANA CONFORMIS Mailoch. 



Fenttilc. — Dillers from (i-fjinls in luivine' tlie Itibnmi tiiid upper pari 

 of face brownish, the mid and hind femora less broadly brownrd. 

 lower pleural vitta al)sent, and as slated in the key. 



The eye is distinctlv higher than long- and the inner cross-vein is 

 at middle of discal cell. 



JA'ngth, 2.5 nun. 



Type and paratype, lliouito, San Mateo, Costa Rica (P. Schild). 



7V/^,^._Fe]nale," Cat. No. 26673, U.S.N.M. 



STEGANA FLAVIMANA Mailoch. 



Male. — Head fnscons, bases of antennae, cheeks and lower half of 

 occiput yellow. Mesonotuni and abdomen fuscous brown: pleura 

 pale yellow, with the upper pleural vitta black and complete. Wings 

 brown, paler posteriorly. Halteres yellow. 



Frons at anterior margin less than half as wide as its median 

 length; eye one fourth higher than long; cheek linear. Apical 

 scutellar bristles nearly as long as basal pair. Inner cross-vein at 

 middle of discal cell. 



Length, 2 nun. 



Type, Higuito, San Mateo, Costa Rica (P. Schild). 



t)/ i>(.-~Ma\(\ Cat. No. 26672, XLS.X.]\r. 



STEGANA FUSCIBASIS Mailoch. 



3/rt/r'.— Similar to jlarimamt, ditfering as stated in the key. 

 The eye is a little longer and the frons a trifle wider than in 

 favimana. 



Length, 2.5 mm. 



Type, Lliguito, San Mateo, Costa Rica (P. Schild). 



7V//>(>.— Male, Cat. No. 26671, TLS.N.M. 



STEGANA CRISTIMANA, new species. 



Malf. — Shining yellowish bi'own, apical half of third antennal 

 segment, a vitta on upper half of pleura, and apical three segments 

 of fore tarsi black; ocellar spot, upper part of sternopleura, and tip 

 of abdomen darkened. Wings browned, more noticeably on anterior 

 half. Halteres yellow. 



Eyes higher than long, not oval but almost subquadrate, occupying 

 almost all of side of head; cheek almost linear; front glossy, an- 

 teriorly not over one-fourth of head width, at vertex about one-half 

 the head width; proclinate bristle opposite middle of frons; orbit's not 

 differentiated; carina on upper half of face low, rounded; antennae 

 extending to mouth-margin. Scutellum broader than long, rounded 

 in outline. ai>ical l)ristles not half as long as basal pair. Fore tarsi 



