LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 189 



FF. Fascia, if present, formed by the meeting of opposite streaks. 

 G. With three, long, dorsal streaks before the tornus. 



H. Five costal streaks 27. argentinotella. 



HH. Two costal streaks, first opposite second dorsal streak 



28. occitanica. 

 GG. With two dorsal streaks before the tornus. 



H. Basal streak unmargined or margined toward its apex only. 



I. Basal streak confluent with the upper edge of the first 



dorsal streak. 



J. Fore wings, pale, grayish 23. salicivorella. 



JJ. Fore wings not grayish 24. deceptusella. 



II. Basal streak not confluent with first dorsal streak. 



J. First pair of streaks very oblique and extended along the 



margins to base 34. basistrigella. 



JJ. First pair of streaks not extended to base . . 22. scudderella. 

 HH. Basal streak dark margined toward the costa. 



I. Costal margin white from base to near one-third. .25. populiella. 



II. Costal margin not white from base. 



J. Three costal streaks 21. malimalifoliella. 



JJ. Four costal streaks. 



K. First dorsal streak beginning much nearer the base 



than first costal; expanse 8-9 mm. .19. propinquinella. 

 KK. First dorsal streak beginning nearly opposite first 



costal; expanse 6.5-7 mm 20. cratcegella. 



DD. Usually two complete fasciae; if but one, median and nearly straight. 

 E. A median fascia; two posterior costal streaks. 



F. Basal portion of the wing shining white 39. lucetiella. 



FF. Basal portion of the wing golden 38. symphoricarpella. 



EE. Two complete fascise. 



F. Head and thorax pure white 46. tiliacella. 



FF. Head and thorax not white. 

 G. Two posterior costal streaks. 

 H. Fasciae nearly straight. 



I. Ground color ocherous 42. tritcenianella. 



II. Ground color of entire wing dark, reddish brown 



40. desmodiella 



III. Head and base of wings dark brown 41. osten&ackenella. 



HH. Fasciae distinctly bent outward near the middle.. 43. mariceella. 



GG. Three posterior costal streaks 45. fragilella. 



1. L. fitchella Clemens. Head and thorax white. Fore wings reddish saffron with 

 five, white, costal streaks, the first produced along costa to base; three dorsal 

 streaks, the first before the middle, very large; the second opposite the third costal 

 streak; a black apical dot. 7.5-8 mm. 



Tentiform mine on under side of leaves of oak, preferably Quercus macrocarpa 

 and Q. bicolor. 



2. L. bataviella Braun. White, marked with angulated fasciae composed of 

 gray-tipped, golden-fuscous scales; a fascia at basal fourth produced along margins 

 to the base; an angulated fascia at middle of wingr, followed by a Y-shaped mark, 

 with its arms on costa, and its outer margin emitting a line of scales connecting 

 with a curved fascia near apex. Apex dark dusted. 7-7.5 mm." 



Ohio, local. 



3. L. trinotella Braun. Head, thorax, and basal two-thirds of wing white; apical 



Larva on'oak (Murtfeldt, in Cornell collection) ]W. T. M. F. 



