357 



alongside streams. I have seen a specimen which was taken on Plum- 

 mer's Island, IMd.. ]\Iay 8, 1914, by W. L. McAtee. 



Originally described from a female taken at Riverton. N. J. 



9. Probezzia smithi Cocj[uillett 



Ceratopogon smithli Coquillett, Proc. U. S. Nat. Mus., Vol. 23, 1901, p. 600. 

 Probessia smilhi (Coquillett) Malloch, Proc. Biol. Soe. Wash., Vol. 27, p. 138. 



Differs from clcgans in color as indicated in table. There are no 

 outstanding structural differences in the two species. 



Illinois locality, Monticello, June 28, 1914 (J- R. Malloch). 

 Taken by sweeping vegetation along the banks of the Sangamon River. 



The male is unknown. 



10. Probezzia otaca Loew 



Ceratopogon opacus Loe\v, Berl. Ent. Zeitschr., 1861, p. 312, sp. 9. 

 Probezzia opaca (Loew) Malloch, Proc. Biol. Soe. Wash., Vol. 27, p. 138. 



I have not seen this species. It is structurally close to inccrta, fitl- 

 vithorax, and ohscura. Described from Washington, D. C, and not 

 subsequently recorded. 



Mr. C. W. Johnson has kindly examined the type specimen in Cam- 

 bridge and reports that it is light brown, eyes apparently separated, 

 although the head is greatly shrunken. Antennas about as long as 

 thorax. Legs light yellow, very narrowly darkened at the tips of the 

 femora, tibise, and tarsal joints. Mr. Johnson's sketch of the wing 

 shows the first vein extending to less than one fifth the length of 

 third, but otherwise similar to fulvitJwrax. 



II. Probezzia bivittata Cocjuillett 



Ceratopogon hivittatus Coquillett, Jour. N. Y. Ent. Soe, Vol. 13, 1905, p. 60. 

 Probezzia bivittata (Coquillett) Malloch, Proc. Biol. Soe. Wash., Vol. 27, p. 138. 



I have not seen this species. It was originally described from Eu- 

 reka, Calif. The male is unknow^n. 



12. Probezzia gibber Coquillett 



Ceratopogon gibber Coquillett, Jour. N. Y. Ent. Soe, Vol. 13, 1905, p. 60. 

 Probezzia gibber (Coquillett) Malloch, Proc. Biol. Soe. Wash., A^ol. 27, p. 138. 



I have not seen this species. Originally described from Cayamas, 

 Cuba. The male is unknown. 



