226 THE CANADIAN ENTOMOLOGIST. 



the stigma yellowish. Length, 6 to 7 mm. New Jersey, Florida 

 (Johnson). 



Psilocephala baccata, n. sp. — $ Wholly black, including the tibiae, 

 halteres and hypopygium ; posterior margin of the second and third abdo- 

 minal segments, both dorsally and ventrally, sometimes narrowly white. 

 Pollen of face grayish-white, that on the lower half of the front somewhat 

 brownish, on the upper half black ; pile of head white, a few on the front 

 and vertex black, bristles of occiput and of antennae black. First joint 

 of antennae nearly twice as long as broad, the third joint once and a-half 

 as broad as, but not quite as long as, the first, being scarcely longer than 

 broad. Thorax very lightly gray pollinose, not vittate, the pile and 

 bristles black, the surface sparsely covered with appressed light-yellow 

 tomentum. Pleura, abdomen and venter densely silvery-white pollinose 

 and white pilose, pile of abdomen appressed. Pile of femora and coxae 

 white, the bristles, as well as those of the tibiae and tarsi, black. Wings, 

 hyaline, stigma brown ; fourth posterior cell open. 



$ Same as the £ , with these exceptions : Pollen on upper three- 

 fourths of front brownish-gray, that on the lower fourth white and with a 

 round black spot next each eye at the junction of these two colours. 

 Abdomen and venter shining black, the posterior margin of the second, 

 third and fifth segments silvery-white pollinose, broadest on the fifth. 



Length, 5 to 7 mm. Los Angeles and San Bernardino Counties, 

 California. Twelve males and two females, in May. 



Psilocephala pavida, n. sp. — $ Differs from the above description of 

 baccata only as follows : Third joint of antennae twice as long as broad. 

 Pile in front of halteres largely black ; pollen of abdomen black, that on 

 posterior margin of the second and third segments light-gray ; pile of 

 abdomen black, that on the first segment and apices of the remaining 

 segments whitish. Pile of coxae and femora largely black. 



Length, 6 mm. Los Angeles County, California. A single specimen; 

 in April. 



Psilocephala montivaga, n. sp. — 9 Black, the knob of the halteres, 

 femora, tibiae, and base of the tarsi, yellow. Front brown pollinose, that 

 next the antennae yellow, a spot on each side next the eyes and a median 

 triangle, black pollinose ; face yellow pollinose ; pile and bristles of 

 antennae, pile of front and bristles of occiput, black, pile of occiput and 

 of mouth parts white. Antennae of nearly an equal width, the third joint 

 tapering slightly to the apex, first joint three-fourths as long as the third, 



