148 WILLIAM T. M. FORBES 



10. T. tinctoriella Chambers. Dull ochre, the margins noticeably dusted with 

 dark -brown, darker than badiiella. Fore wing of male gray-scaled below, except 

 at the apex and below the fold, (quercitella Clemens). 



Larva in a blotch-mine on the upper side of an oak leaf, the mine extending out 

 into lobes and marked with zigzag purple lines. 



Kentucky; Missouri. New York: Albany (New York State Museum). 



11. T. badiiella Chambers. Light straw yellow, with contrasting, dark-brown 

 vertex; apex of fore wing usually dusted with black (var. pruinosella Chambers) 

 typically with the two dots only; fore wing more or less tawny-shaded from anal 

 angle to apex. A small dark spot two -thirds way out on costa as well as the 

 one on the inner margin, (citrinipennella Walsingham, not Clemens; purinosella, 

 pruinosella Chambers). 



The larval mine is a crumpled blotch on oak like that of T. zelleriella. The moth 

 occurs in August and in March. 

 Quebec to Texas. 



12. T. citrinipennella Clemens. Yellow; head and thorax yellow -brown; costa 

 and apical third shaded with yellow -brown; fringes much paler and duller. Hind 

 wing whitish, becoming umber brown at base. Abdomen dusted with brownish 

 yellow below, but much paler than in T. castaneseella. 8 mm. (quercivorella 

 Chambers; fuscomarginella Walsingham, not Chambers.) 



Mine on oak; crumpled like that of T. badiiella. Moth in August. 

 Pennsylvania; Ohio; Missouri. New York: Crosby (Yates Co.), Ithaca. 



13. T. albostraminea Walsingham. Pale straw color, not shaded with ochre; 

 with blackish-dusted spots two-thirds way out on costa, five-sixths way out on 

 inner margin, and over the apex, the latter the strongest. Apical fringe deep 

 ochre. Underside pale with deep-ochre apical fringe. 5 mm. 



The larva forms a small blotch on white oak. The moth emerges in August. 

 It is our smallest species. 



District of Columbia; Kentucky. New York: (type). 



14. T. clemensella Chambers. Yellow, costal edge and some dusting toward apex 

 below browner. Basal half of fore wing, below, with yellow sex-scaling (bicolor 

 Frey and Boll). 



Texas. 



15. T. sulphurea Frey and Boll. Texas. This moth is unknown to me. 



1(5. T. zelleriella Clemens. Light ochre, with a deep yellow shade in fringe over 

 apex, costal fringe of hind wing brown, dorsal pale. Hind wing whitish in the 

 male, gray in the female. Under side of fore wing with long, stiff hair, extending 

 obliquely up from near inner margin, nearly across to costa, and from base three- 

 fifths length of wing; cell clothed with dense fine scales. 9 mm. (Coptotriche Wal- 

 singham; complanoides Frey and Boll; latipennella Chambers). 



The larva makes a trumpet-mine on oak, and is unique in Tischeria in leaving 

 its frass within the mine in a series of curved lines. The moth occurs generally in 

 March and April. 



Distribution general. 



New York. (Henry Edwards.) 



Family 12 LYONETIHXffi 



(Tineidae, in part) 



Vertex either hairy or scaled ; face smoothly scaled, strongly oblique ; 

 tongue weak and naked or obsolete ; maxillary palpi usually obsolete ; 

 more rarely quite short, straight, and drooping; labial palpi short and 

 scaled, drooping or obsolete, best developed in Phyllocnistis, which only 



