180 
Psyche 
[June 
Medeterus emarginatus Van Duzee. 
Psyche, xxv, p. 439, 1914. 
Male: like the female in size and color. The hypopygium 
is large, black, with apical portion shining, the hairs on basal 
part and its apical appendages yellowish. Joints of posterior 
tarsi as 33-35-32-14-9. Last section of fifth vein 26 fiftieths of a 
millimeter long. There are three black bristles above each fore 
coxa, the anterior coxae have a row of long hairs on outer edge of 
the front surface, these hairs are also found in the females taken 
with this male. 
One male and three females were taken at Peru, Clinton 
County, New York. The male and two females are in the 
Cornell University collection. 
Medeterus minimus sp. nov. 
Male: Length 1.6 mm. Face moderately wide, black, 
lower part without pollen, upper portion and the front opaque 
with brown pollen. Palpi and proboscis brown. Antennae 
black. Lower part of occiput with a few pale hairs. 
Thorax opaque with brown pollen and with a darker median 
stripe, which nearly reaches the scutellum, the latter with one 
pair of marginal bristles. Abdomen blackish with green reflec- 
tions, dulled with brown pollen, its hairs pale. Hypopygium 
thick and obtuse at apex, shining black. 
Coxae black, extreme tip yellowish. Femora more or less 
blackened. Tibiae and tarsi yellow. The joints of hind tarsi are 
as 15-15-9-8-6. Calypters yellowish with white cilia. Knobs of 
halteres whitish. 
Wings grayish, venation typical of the genus, veins yellow- 
ish; last section of fifth vein 17, of cross- vein 8 fiftieths of a 
millimeter in length. 
Described from one male, taken at Felton, St. Cruz Mts., 
California, May 20, 1907, by J. C. Bradley. 
Type in the Cornell University collection. 
