310 PROCEEDINGS OF THE NATIONAL MUSEUM vol.84 



3. Hind basitarsus j^ellow, at most slightly iufuscate basally; wings 



dilutely infumate rufofemoratus Provancher 



Hind basitarsus largely or entirely black; wings, at least in 



female, rather deeply infumate 4 



4. Hind tarsus with only the basal joint black exploratus Davis 



Hind tarsus largely or entirely black, at most reddish or yellow- 

 ish apically niger Cresson 



EXETASTES NERVULUS var. NERVULUS (Say) 



Banchus nervulus Say, Boston Journ. Nat. Hist., vol. 1, p. 246, 1836; in LeConte, 

 The complete writings of Thomas Say on the entomology of North America, 

 vol. 2, p. 700, 1859. 



Distinguishable from the other varieties by the combination of 

 larger size, dark wings, black hind femur, and entirely yellow hind 

 tarsus. 



Type locality. — Indiana. 



Type. — Lost. 



Remarks. — This form is represented in the material before me by 

 the following specimens: One female, Wallingford, Conn., August 

 13, 1922, B. A. Porter; one male, Flushing, N. Y.; one male, White 

 Plains, N. Y., August 20, 1921 ; one female, Troy, N. Y., September 1, 

 1934, H. K. Townes (in collection of H. K. Townes); one female, 

 Garrett Rock, N. J., September 7, 1927, F. M. Schott; and one male, 

 Pineola, N. C, June 15, 1934, D. L. Ray. 



EXETASTES NERVULUS INTERMEDIUS, new variety 



Exeiastes nervulus (Say) Cushman and Gahax, Proc. Ent. Soc. Washington, 

 vol. 23, p. 159, 1921. 



Female and male. — Very similar to the typical variety but dis- 

 tinguishable by smaller size, paler wings and piceous rather than 

 black hind femur, the last sometimes approaching brownish red. 



Type locality. — Southwest Harbor, Mount Desert, Maine. 



T^/jg.— U.S.N.M. no. 51830. 



Paratypes. — Boston Society of Natural History, American Jvluseum 

 of Natural History, Cornell University, and the collection of the State 

 entomologist at New Haven, Conn. 



Remarks.— The following specimens: Two females and one male 

 from Mount Desert Island, Maine (Southwest Harbor, July 15, 1918 

 [type], Bar Harbor, July 3, 1922, and Eagle Lake, July 18, 1919, 

 C. W. Johnson); two males, Princeton, Maine, July 12, 1909, C. W. 

 Johnson; one female, Montreal, Quebec, July 1; one female, Graven- 

 horst, Muskoka District, Ontario, July 20, 1918 ; one female, Waubanic, 

 Ontario, July 2, 1915, H. S. Parish; one female, Laurel Lake, near 

 Jacksonville, Vt., July 13, 1934, Harry D. Pratt; one female. Savoy, 

 Mass., July 16, 1909, W. E. Britton; one female, one male, Great 

 Barrington, Mass., June IG, 1915, C. W. Johnson; one female, Bash- 

 bish Falls, Mass., June 28, 1912; one female, Canaan, Conn., June 



