168 Psyche [October 
Thorax black with black hairs. Abdomen velvety black; last segment and in- 
cisures dark gray; sides and back covered with fine, soft, black hairs. Legs fuscous 
or blackish; hind tarsal joints flattened, the basal segment broadest, the third seg- 
ment longest; halteres fuscous; knobs black. Wings hyaline, subcostal cell with 
a very faint yellowish tinge; veins brown; anterior branch of 4th vein rises at al- 
most a right angle from the fourth vein; posterior branch does not reach the margin 
of the wing; second posterior cell very short. The distance from the posterior 
cross vein to the tip of the 5th vein is about one-third the length of the posterior 
cross vein. 
Female: Eyes not contiguous or divided. Face grayish. The first, third, fourth, 
and fifth segments of abdomen grayish. 
These studies were made in the Entomological Laboratories at 
Stanford University where the types of the new species are de- 
posited. 
Fig. 1. Platypeza agarici sp. nov. 1, dorsal view of larva; 2, ventral view of 
larva; 3, dorsal view of pupa; 4, ventral view of pupa; 5, one of the spines of larva; 
6, wing; 7, hind leg, showing flattened tarsus. 
