432 University of California PuhUcations [Entomology 



Squama blunt, the inner surfaces with long coppery ciliae ; uncus 

 about two-thirds the length of the squama, slender, acute, deflexed. 



5. Coloration differing from the male as follows : labrum and two 

 bars on the clypeus black, yellow spot on scape and segments 3 and 4 

 of the antenna ; humeral stripe broader, confluent with spot below ; 

 pleural spot much larger ; a spot on metapleura, two lines on mesono- 

 tum, apical half of scutellum, propodeum entirely except for posterior 

 V-shaped black band, yellow ; anterior coxa and trochanter and most 

 of middle trochanter black ; middle and posterior coxa yellow in front, 

 more of posterior femur yellow ; broad apical band on each dorsal 

 segment, that on first bearing two black spots; spot on first ventral, 

 most of second ventral, broad apical bands on following three segments, 

 and two large spots on sixth ventral segment, yellow. 



Front and clypeus granular. Humeri fitting closely behind the 

 head, marked by a distinct transverse ridge ; pronotum closely punc- 

 tate ; mesonotum densely punctate, posterior flattened part granular ; 

 scutellum slightly convex, finely granular ; propodeal angle ending in 

 a rather long spine. Abdomen opaque, densely, closely punctate. 



Types. — Lectotype, J*: American Entomological Society, no. 2096. 

 Allotype, 5 : American Entomological Society. 



Utah: Logan Canon, July 24, 1906, 1 ^^ (Dr. P. B. Homer), [Cor- 

 nell University]. 



Nevada: 3 (^, 6 2 [American Entomological Society]. 



California : Felton, Santa Cruz Mts., May 20-25, 1907, 2 J^, 3 $, 

 between 300 and 500 feet elevation (J. C. Bradley), [Cornell Univer- 

 sity] ; Claremont, 1 J', 3 5 (C. F. Baker), [Pomona College and Cornell 

 University] ; 3 J*, 3 5 [including types, American Entomological So- 

 ciety] ; Fallen Leaf Lake near Lake Tahoe, 2 J*, 2 5, June 29 and July 

 11 and 12, 1915 (E. C. Van Dyke), [California Academv of Sciences 

 and Cornell University] ; Carrville, Trinity Co., 2 $, June 6, 29, 1903 ■ 



(E. C. Van Dyke), [California Academy of Sciences]. I 



Washington: Cheney, June 30, 1908, and May, 1906, 2 $ [Cornell 

 University] . 



A number of specimens of this species were taken by the author 

 on different days within a very short area along an abandoned, over- 

 grown road leading south from the residence of Mr. Trotz at Felton, 

 California. They were flying leisurely over grass, close to the ground. 



