THE CANADIAN KNTIIMOLOOIST. 2ii'.) 



one and one-half the length of the basal deflection of Cu, or from two- 

 fifths the length of cell M, to nearly twice as long as this cell. Very 

 consideralile variation occurs in the two wings of the same specimen. 

 Basal deflection of Cu,, under the middle of cell ist, M.,.. Cuj equal to, 

 or very little longer than, the basal deflection of Cu,. Cu, -l-^[;5 about 

 equal to basal deflection of ('u,. Cells R;,, R- and ist M,, usually in one 

 line. 



Length, ^, 5.9-6.3 mm.; 5, 6.5-7.3 mm.; wings, cJ , $,6.5 mm. 



Type. — S < Coy Glen, Ithaca, N. V., May 21, '11. 



Co-types.— 9 9 , Coy Glen, May 2 i, 'i i ; 9 , Six-Mile Creek, Iihaca, 

 N. Y., May 21, '11. (Thompson and Rutherford.) 



This species belongs to ihs/ra/ria group, and appears to be closest 

 to coitatit Coq. from New Mexico ; Uom /ratria and tostata it differs in 

 being much smaller and decidedly distinct in coloration. 



