26 MISCELLANEOUS RESULTS OF WORK OF BUREAU IX. 



at Dallas, Tex., April 9, 1906, under conditions similar to those at 



Bluemont and Woodstock, Va. This water had been frozen during 



the winter. 



OTHER SPECIES OF CERATOPOGON. 



There are nearly one hundred known species of Ceratopogon repre- 

 sented in the U. S. National Museum collection, and several species 

 besides the one under discussion are known to bite, among them 



Fig. Q,.— Ceratopogon stellifer: Adult. Highly magnified (original). 



C. sanguisuga Coq., C. stellifer Coq., C. variipennis Coq., C. unicolor 

 Coq., and C. cinctus Goq. Many others will undoubtedly be found to 

 have similar habits. 



C. sanguisuga Coq. has been collected at the following localities: 

 Marlboro, Md., May 13 (H. S. Barber); Woodside, Md., October 12 

 (J. E. Benedict, jr.); Kaslo, British Columbia, June 29 (H. G. Dyar). 



C. stellifer Coq. (fig. 6) is a little smaller than C. guttipennis and is 

 a most notorious biter. Its distribution, as shown by specimens in 

 the U. S. National Museum, is as follows : District of Columbia, May 

 12, June 6, September 9 (H. S. Barber, collector) ; Fairfax County, Va., 

 August IS (J. E. Benedict, jr.); Corinth, Miss., August 19, and 

 Athens, Tenn., August 22 (H. S. Barber); Las Vegas Hot Springs, 

 N. Mex., August 7, 11, and 19, and Hot Springs, Ariz., June 27 (H. S. 

 Barber) . 



C. variipennis Coq. A female of this species was collected while 

 sucking blood by W. P. Cockerell at Las Vegas, N. Mex., May, 1902, 

 and has been collected at Westville, N. J., in June, by J. B. Smith 

 and on July 2 by C. W. Johnson; also at Richmond, Va., by Mrs. 

 A. T. Slosson, and at Mexico City, Mexico, by O. W. Barrett. 



0. unicolor Coq. has been taken at Eureka and Fieldbrook, Hum- 

 boldt County, Cal., by H. S. Barber in May and June. 



C. cinctus Coq. was found at Lake Worth and Biscayne Bay, Fla., 

 by Mrs. A. T. Slosson, who braved its biting in order to collect speci- 

 mens of it. 



