108 Journal New York Entomological Society. [Vol. xiv. 



Immyrla nigrovittella, new species. 



Uniform dark gray, the median space a shade lighter ; scale ridge narrow, deep 

 black, slightly oblique and not quite attaining costa ; inner line just beyond, faint, 

 parallel to scale ridge, scarcely waved ; discal dots confluent in a bar, dark gray ; 

 outer dark shading crosses the outer line, which is pale, faintly dark-edged, gently 

 bowed in the middle. Expanse, 20 mm. 



One $, Pittsburgh, Pa., May 29, 1905 (Henry Engel). 

 Type no. 9786, U. S. National Museum. 



Genus EURYTHMIA Ragonot. 



Eurythmia yavapaella, new species. 



Dark gray, the abdomen ocherous, tinted at tip. Fore wing gray, a little darker 

 along costa and in outer field ; lines pale, rather broad, weakly defined by dark 

 scales, slightly flexuous ; discal dots black, separate, distinct in one specimen, partly 

 absent in the other. Hind wing subpellucid whitish, gray shaded on costa and apex. 



Expanse, 16 mm. 



Two $, Yavapai Co., Arizona (through Mr. W. D. Kearfott). 

 Apparently near coloradella Hulst, but larger and more distinctly 

 marked. 



Type no. 9858, U. S. National Museum. 



Family TORTRICIIXE. 



Genus EUCOSMA Hiibner. 



Eucosma picicolana, new species. 



Head and front of collar rusty ocherous ; thorax and abdomen light gray. Fore 

 wing light gray, mottled-strigose in darker; base and anterior line, broken mesial 

 line, outer band from costa toward tornus darker gray, angularly edged, indistinct ; a 

 neat round patch before tornus on inner margin of brownish black, nearly solid ; a 

 similarly colored band from apex, curving again to outer margin below middle, these 

 marks distinct. Fringe dark, as also extreme margin, white at angle. Hind wing 

 dark gray, indistinctly darker strigose ; fringe white. Below, fore wings dark gray 

 with costa whitish ; hind wings whitish, with sparse strigose blotches, thicker at 

 margin. Expanse, 3} mm. 



One 9 > bred from a mass of pitch on the trunk of Abies lasiocarpa 

 at Paradise Valley, Mt. Rainier, Washington, by Mr. H. E. Burke, of 

 the Bureau of Entomology, Department of Agriculture. 



Type no. 9801, U. S. National Museum. 



In the absence of a $, the species may not be correctly referred 

 generically. 



