Vol. 5, p. 223-231. January 12, 1927. 



Occasional Papers 



OF THE 



Boston Society of Natural History. 



THE CRANE-FLIES (TIPULIDAE) OF NEW ENGLAND: 

 SECOND SUPPLEMENTARY LIST. 



BY CHARLES P. ALEXANDER. 



Mr. Johnson's "Diptera of New England" (Occas. Papers 

 Boston Soc. Nat. Hist., vol. 7, no. 15, p. 1-326, 1925) furnished 

 the basic list of Tipulidae for the New England States with 264 

 species. My first supplement (Occas. Papers Boston Soc. Nat. 

 Hist., vol. 5, p. 169-174, 1925) added 13 species to this list. As a 

 result of further detailed collecting during 1926, it is now pos- 

 sible to add 13 more species to this list, bringing the known total to 

 290. In the present paper I wish to discuss these additions; 

 to briefly outline the late summer Tipulidae of Mount Desert 

 (New England Area 8) ; and to describe the two novelties that are 

 discussed in the list of additions. 



Additions to the Tipulidae or New England. 



278. Dicranomyia lacroixi Alex. (Ent. News, vol. 37, p. 46, 



1926). 

 Rochester, Plymouth Co., Mass., on cranberry bog, July 9, 

 1924 (D. S. Lacroix). 



279. D. cramptoni Alex. (Ent. News, vol. 37, p. 47, 1926). 

 Fish hatchery, near Sunderland, Franklin Co., Mass., altitude 



200 feet, October 15-16, 1924 (G. C. Crampton and C. P. Alex- 

 ander) , 



280. D. spinifera, sp. nov. 



Abundant specimens from New York and New England, as 

 indicated under the type description (p. 229). This species had 

 been confused with D. halterata 0. S., but a study of the types of 

 the latter shows the present species to be very distinct. 



The only authentic specimens of halterata from New England 

 seem to be those I recorded in the first supplementary list (Lake 

 May, Mass., June 12-30, 1925). 



