Vol. XI] CURRAN— REVISION OF THE PIPIZA GROUP 375 



36. Pipiza distincta, new species 



Habitat: California! Mostly black pilose; legs en- 

 tirely slender; squama? with fringe of black hairs. 



Male: Length, 5 mm. Face and frons shining black; eyes luteous pilose, 

 elsewhere the pile of the head black. Antenna? black; third joint more brown- 

 ish, sub-rectangular, yellowish below; arista luteous, microscopically pilose 

 to tip. Face in profile slightly receding, a little rounded in the middle and 

 slightly concave above and below this. Thorax and scutellum shining black, 

 black pilose; disc of thorax with brownish red pile. Abdomen shining, the 

 usual areas sub-opaque; pile black, the anterior angles and the sides of the 

 third and fourth segments in the middle with reddish pile which is obscure 

 on the distal segments and does not noticeably reach the sides; pile on middle 

 of second segment reddish in some lights; last section of hypopygium broad, 

 rather short. Legs black; anterior four knees, tips of anterior tibiae and all 

 the tarsi, luteous, the posterior tarsi darker apically. Wings slightly clouded 

 with brownish, more marked on the antero-middle; stigma luteous; discal 

 cell very acute apically; squamae dark, fringed with black hairs. The pile 

 throughout dense, stout and rather long. 



Holotype, male, No. 871, Mus. Calif. Acad. Sci., 

 July 5, 1919, E. P. Van Duzee collector, 7000 feet 

 elevation. 



Type locality, Huntington Lake, Fresno Co., Calif. 



This species will at once be recognized by its small 

 size and the fringe of black hairs on the squamae. 



37. Pipiza vanduzeei, new species 

 Habitat: California! British Columbia! Squamae and 

 fringe of hairs whitish; thorax white pilose; pile of 

 abdomen not at all reddish; wings hyaline. 



Male: Length about 5 mm. Face and frons shining black, thinly whitish 

 pollinose, black pilose; face receding. Antennae short, black; third joint 

 reddish below, broader than long (arista missing). Eyes brownish pilose, 

 lighter below; vertical triangle white pilose behind; posterior orbits with 

 whitish pile and black occipital cilia. Thorax and scutellum shining black, 

 with obscure bronze reflection; pile on dorsum and pleurae whitish, on the mar- 

 gins of the dorsum black; scutellum with light pile and a fringe of isolated 

 long black hairs. Abdomen opaque black, with the usual areas shining coppery 

 or bronzed; pile white, posterior margins of segments two and three, anterior 

 margins of segments three and four and the hypopygium, with black pile. 

 Legs black; tips of femora, anterior tibiae except a piceous band on apical 

 half, broad base and tip of middle tibiae, immediate base of hind tibiae and all 

 the tarsi, yellowish; hind basitarsi basally, and apical three joints of all the 

 tarsi slightly brownish. Wings hyaline; stigma luteous; discal cell less acute 

 than in distincta. Halteres luteous, the knobs darker. Squamae whitish, 

 fringed with white hairs. 



Holotype, male, No. 872, Mus. Calif. Acad. Sci., 

 May 25, 1919, E. P. Van Duzee, collector. Paratypes, 

 two males, Cranbrook, B. C, 1918 (Garrett), in col- 

 lections of Mr. Garrett and of the author. 



Type locality, Fairfax, Marin Co., Calif. 



