142 NEW YORK STATE MUSEUM 



bb Abdomen yellowish basalty, dark brown apically; length 1.5 mm, the fifth 



antennal segment having stems with a length three and four and one-half 



times their diameters respectively. ...sylvestris n. sp. Cecid. 1746 



a a The distal enlargement of the fifth antennal segment of the male only slightly 



produced, with a length about one-fourth greater than its diameter, 



the terminal clasp segment tapering uniformly 



b Stems of the fifth antennal segment of the male distinctly unequal 



c Stems of the fifth antennal segment of the male with a length two 

 and one-half and three and one-half times their diameters, 

 respectively 



d Abdomen mostly yellowish brown, length 1.5 mm 



mo n tana Felt, C. 1366 



cc Stems of the fifth antennal segment of the male with a length three 



and four and one-half times their diameters, respectively 



d Abdomen yellowish brown, length 1.25 mm, the dorsal plate 



short, broad, triangularh' emarginate, the lobes broadly and 



roundly emarginate podophyllae Felt, C. 352 



dd Abdomen j-ellowish brown, length 1.2 mm, dorsal plate very 

 broadly and roundly emarginate, the lateral margins truncate 



t r i s t i s Felt, C. 1475 



ddd Abdomen fuscous, length 1.5 mm filicis Felt, C. 397 



bb Stems of the fifth antennal segment of the male nearly equal, each with 

 a length three and one-half times their diameter 



c Abdomen fuscous yellowish, apically pale orange, length i mm 



c a r i c i s Felt, C. 292 



Bremia podophyllae Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 126; separate, p. 29-30 



1908 — — N. Y. State Mus. Bui. 124, p. 395 



This species was taken June 21, 1906 sweeping Mayapple, 



Podophyllum p e 1 1 a t u m, at Albany, N. Y. 



Male. Length 1.25 mm. Antennae twice as long as the body, 

 thickly haired, dark brown, yellowish basally; 14 segments, the 

 fifth with stems three and three and one-half times their diameters. 

 Palpi; the first segment subquadrate, the second a little longer, 

 tapering, the third longer and more slender than the second, the 

 fourth one-fourth longer than the third, more slender. Face pale 

 yellowish. Mesonotum dark brown, submedian lines yellowish, 

 sparsely setose. Scutellum light yellow, sparsely setose, post- 

 scutellum light yellow. Abdomen yellowish brown, thickly setose, 

 the posterior margins of the segments and genitalia slightly fuscous. 

 Wings hyaline, costa dark brown. Halteres pale yellowish basally, 

 fuscous yellowish apically. Legs pale brown; claws long, slender. 

 Genitalia; dorsal plate broad, triangularly incised, the lobes sub- 

 truncate, the latero-distal border slightly emarginate. Type Cecid. 

 352. (See plate 9, fig. 3) 



Bremia filicis Felt 



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



1908 N. Y. State Mus. Bui. 124, p. 395 



