PROCEEDINGS 



OF THE 



CALIFORNIA ACADEMY OF SCIENCES 



Fourth Series 



Vol. X, No. 7, pp. 51-52 August 6, 1920 



VII 

 TWO NEW SPECIES OF SYRPHID^ (DIPTERA) 



BY 



A. L. LOVETT 



1. Myiolepta carbicolor, new species 



Length 10 mm. Color black: face, legs and pile black, 

 thorax shining blue-black; third segment of antennae light 

 brown, arista black; wings dark smol<y, veins black, halteres 

 smoky brown. 



Male: Face projecting, shining black, except for tubercle covered with 

 dense whitish pollen ; along eye margins and on greyish cheeks with sparse 

 moderately elongate white pile ; frontal triangle shining black, bare ; ver- 

 tical triangle black with elongate black bristle-like pile, the pile extending 

 outward along occiput. Antennas brown, black at base, the third segment 

 light brown, circular ; the arista moderately elongate, black. 



Thorax and scutellum shining metallic blue-black with moderately dense, 

 elongate black pile. Abdomen sub-opaque black with translucent brown 

 and blue reflections arranged as pseudo-crossbands on anterior margins 

 of segments. Pile on disc inconspicuous, short, black, on lateral margins 

 and on fourth segment longer, white. 



Legs black throughout, pile mostly white ; on hind femur short, coarse, 

 black; on hind tarsi, golden. Wings dark smoky, veins black; calipter 

 with fringe of white pile ; halteres smoky brown. 



Type, male (No. 734), in Museum of California Academy 

 of Sciences. From Longmire Springs (Mt. Rainier 2500 ft.), 

 Washington, July 18, 1919; C. L. Fox, collector. 



