5-1: C. ri. TYLER TOWNSEND. 



70. Syritta pipieus Linn. 



Constaiitii)e, Mich., $ 9 • Hanover, N. H. (AVeed), one female, 

 Riley County, Kansas (F. Mavlatt), % 9. Mountain View, Cal. 

 (Ehrhorn), May to October, % 9 • Las Cruces, N. Mex., one female, 

 June 7. 



This species does not seem to spread into the tropical regions of 

 America. 



71. Spiloniyia lougicornis Loew. 



Constantine, Mich., August 31 to September 1, three females and 

 two males. Dixie Landing, Va. (near Washington, D. C), October 

 5, one male. Length 12-15 mm. They all agree very well with 

 the description ; the hypopygium is brown, almost shining black in 

 the Virginia specimen. The latter also has more brown on posterior 

 side of hind femora. 



In one female the yellow bands of alxlomen, except the anterior 

 fascia of second segment, is faded into a brownish color. 



72. Spiloiiiyia <|iia<lrifasciata Say. 



Constantine, Mich., x\ugust 21 to 31, one male and four females. 

 Length 11-14 mm. Frontal triangle in the one male pale brownish 

 next base of antennae. 



73. ITIilesia oriiata Fab. 



Washington, D. C, August 4. One male ; a normal specimen. 



74. Ceria abbreviata Loew. 



Fort Collins, Colorado (Gillette). One female ; the third antennal 

 joint is light reddish brown, the tip of second joint being concolor- 

 ous with it. The scutellum is widely (about two-thirds its width 

 antero-posteriorly), bordered with yellow. The posterior yellow bor- 

 der of second abdominal segment is distinctly, but not greatly wider 

 than those of third and fourth segments. Legs pale reddish, bases 

 of hind tibise broadly yellow, of middle and front tibi?e more nar- 

 rowly so ; possesses all the other characters in detail given in Willis- 

 ton's description. 



75. Ceria trirtens Loew. 



Las Cruces, N. Mex., April 8, one male; June 21, one female. 

 Length 9-9.5 mm. Facial stripe brownish yellow in female ; yellow 

 extending wholly across frontal triangle, with only a thread of light 

 brown ; yellow oval spots of vertex narrowly separated in fenuile l)y 



