OF WASHINGTON, VOLUME XVII, 1915 89 



Forewings white sparsely dusted with black scales towards apex and with 

 a small, deep r lack dot within the dorsal margin at apical third; cilia white. 

 Hindwings silvery fuscous with dusky white cilia. Abdomen whitish. 

 Legs white; posterior tibiae dark brown exteriorly. Alar expanse: 13-14 

 mm. 



Habitat: Aweme, Manitoba, N. Griddle, collector. 



Type: Cat, No. 19242, U. S. N. M. 



Cotype in the Ottawa Museum. 



The species was breu from cases found on grass. The case is 

 dark brown, made of silk with numerous small pieces of gravel 

 incorporated; it is cylindrical with the head opening cut off nearly 

 laterally to the case, without any neck; anal opening pressed 

 together from three sides. 



Marmara pomonella n. sp. 



Second joint of labial palpi blackish brown with apex white; terminal 

 joint white with an anterior black spot. Maxillary palpi whitish with 

 black tips. Face, head and thorax in the specimen before me are badly 

 rubbed, but apparently normally blackish brown. Forewings bluish black, 

 shiny, with a large silvery white costal spot on the middle wing, another 

 s'milar costal spot at apical third, and a silvery white fascia just before 

 a;/ex; cilia blackish with apical part silvery white. Hindwings dark fus- 

 cous with lighter fuscous cilia. Abdomen bluish black with silvery under- 

 side and anal tuft. Legs black with broad, silvery white annulations. 

 Alar expanse: 8 mm. 



Habitat: Corvallis, Oregon, H. F. Wilson, Coll. 



Type: Cat. No. 19243, U. N. S. M. 



Bred from larva mining just under skin of apple. The work 

 and the larva of this species have long been known and have 

 repeatedly been sent in for determination; the mine is figured in 

 Bull. 10, new series, Division of Entomology, U. S. Dept. of 

 Agriculture, 1898, page 88, fig. 19. 



Marmara serofinella n. sp. 



Labial palpi silvery white; second joint with a blackish brown apical 

 annulation. Maxillary palpi dark fuscous. Face and front parts of the 

 head silvery white; top of the head dark brown. Thorax blackish brown. 

 Forewings blackish brown with silvery white markings; broad, triangular, 

 white fascia at basal third is broadest on the dorsal edge and attenuated 

 on the costal edge; oblique white fascia beyond the middle of the wing is 

 thinner on the middle than at the edges of the wing; at apical fourth is a 

 small white costal spot and opposite a similar dorsal spot; beyond this is 

 a small white dash or a few white dots in the costal cilia; cilia dark fuscous. 

 Hindwings dark brownish fuscous. Abdomen backish brown above, under- 

 side and anal tuft silvery. Legs silvery white with dark brown annula- 

 tions. Alar expanse: 6 mm. 



