REPORT OF THE STATE ENTOMOLOGIST I918 213 



bb 23 antennal segments, length 8 mm. Abdomen deep salmon; antennal 

 segments with 2 circumfila, the fifth cylindric, with a length two and 

 one-half times its diameter and with but a slight constriction at the 



basal third; lobes narrowly oval 



maxima n. sp. C. 1371 



bbb 20 antennal segments or more. Abdomen yellowish brown; antennal 



segments with 2 circumfila, the fifth cylindric, with a length three times 



its diameter m o n t a n a n. sp. C. 1071 



bbbb 18 antennal segments. Abdomen reddish brown; 3 circumfila, fifth 

 antennal segment with a stem one-fourth the length of the cylindric 



basal enlargement, which latter has a length twice its diameter 



p u d i c a Felt, C. 1465 



bbbbb 18 antennal segments. Abdomen dark brown; antennal segments with 



3 circumfila, the fifth cylindric, with a length two and one-half times 



its diameter atlantica Felt, C. 815 



bbbbbb 14 antennal segments 



c Length 4 mm. Flagellate antennal segments with 3 circumfila 



d Abdomen yellowish orange, the fifth antennal segment with a 

 length four times its diameter. Reared from a bud gall on 



sedge caudata Felt, C. a27i8 



dd Abdomen dark brown, the fifth antennal segment distinctly 



binodose coloradensis Ckll., C. aigig 



aa Small species, length 3.5 mm or less 



b Flagellate antennal segments, binodose, with 3 circumfila, abdomen golden 

 yellow a 1 e X a n d e r i n. sp. j C. 1353 



Hormomyia americana Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 125; separate, p. 28-29 



1908 N. Y. State Mus. Bui. 124, p. 387 



This striking form was first taken in a trap lantern at Nassau, 

 N. Y., May 31, 1906 and again May 28, 1908. 



Male. Length 5 mm. Antennae as long as the body, sparsely 

 fine haired, fuscous yellowish, distal segments tinged with carmine; 

 twenty-five segments, the fifth (fig. 40a) with stems one and one-half 

 and one and one-fourth times their length, respectively; terminal 

 segment (fig. 40b) reduced. Palpi one much produced segment, 

 the basal fifth greatly enlarged and tapering suddenly to the 



Fig. 42 Hormomvia americana., halter of maie (enlarged original) 



