216 Psyche [September 
Female. Length 6 mm., of wing 5.5 mm. Eyes short and sparsely 
pilose. Frons as figured, largely black and shiny, the pollinose areas 
dark brown. Subcallus yellow brown, wholly shiny and rather 
inflated. Frontoclypeus and genae wholly shiny black. Antennae and 
palpi as figured. Proboscis short, about equalling head height, the 
labella small and compact, at least partially sclerotized. 
Mesonotum black, thinly dark pollinose with scattered brassy hairs, 
the notopleural lobes globose, shiny, sparsely dark haired. Scutellum 
black and shiny, somewhat inflated. Pleura and sternum dark 
brown pollinose, sparsely black-haired. All legs, except white tarsi, 
black and black-haired. All tibiae strongly incrassate. Halteres brown 
with brown knob. Wing as figured, the costal cell and basal cells 
dark yellowish brown, rest of pattern blackish. 
Abdomen with first tergite velvety black with a small patch of 
yellow at extreme sides. Second tergite velvety black in middle third, 
lateral thirds shiny yellow. Third and fourth tergites largely velvety 
black, the lateral yellow decreasing posteriorly. Remaining tergites 
shiny black. The abdomen also bears scattered long yellow hairs, 
denser laterally and posteriorly. Beneath the abdomen is wholly shiny, 
yellow on first two or three segments, black on the remainder. 
Holotype female, Barbascal, Intendencia de Meta, Colombia, 23 
Sept. 1964, Vernon Lee coll. To be deposited in M.C.Z., Cambridge, 
Mass. 
Paratype female, same data. The paratype is slightly smaller and 
with considerably less yellow on abdomen. The species can be sepa- 
rated from related species by the characters given in the key. 
Key to species of Lepiselaga 
1. Basal plate of third antennal segment longer than first two an- 
tennal segments. Black wing pattern with about 9 small round 
clear spots. Frons about twice as high as wide, with a small 
round basal callus. No bare area at vertex. Whole dorsum, in- 
cluding frons, with greenish metalic scales 
(Lepiselaga) crassipes Fab. 
Basal plate shorter than first two antennal segments. Black wing 
pattern with no more than 3 round clear spots. Frons as wide 
as high or wider, the callus large and diffuse, the vertex exten- 
sively bare. Body without greenish scales. .... (Conoposelaga) 2. 
2. Tergites 2 to 4 of abdomen orange yellow, with broad transverse 
orange pollinose bands. Dark wing pattern brownish, with a spur 
reaching hind margin in fourth posterior cell (3rd M). 
aberrans Lutz. 
