LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 191 



Massachusetts. 



13. L. obscuricostella Clemens. Hade white; forewings pale golden, with a white 

 basal streak dark margined above; four, dark-margined, costal streaks, the first 

 very oblique; three dorsal streaks, the first very long, reaching apex of second 

 costal; second dorsal obliquely opposite third costal; apical spot black. 6-6.5 mm. 



Underside, slightly wrinkled mines between veins of leaves of hop hornbeam 

 ( Ostrya mrginiana ) . 



14. L. ostryaef oliella Clemens. Fore wings pale golden, with an unmargined, 

 median, basal streak, and a white streak along base of inner margin; four costal, and 

 three dorsal, white streaks, the first pair oblique with apices opposite. 0-6.5 mm. 



Large wrinkled mines on underside of leaves of hop hornbeam; dense cocoon 

 of trass and silk. 



15. L. olivaeformis Braun. Head and thorax white; fore wings pale- brownish 

 ccherous; a median, white, dark-margined, basal streak; base of dorsum narrowly 

 white; four costal and three dorsal streaks, first pair oblique with apices opposite; 

 margin of first dorsal bent backward on fold; small black spical spot. 0.5-7 mm. 



Ohio. 



An underside miner in leaves of hickory and pecan (Carya spp.) ; cocoon of 

 trass and silk. 



16. L. caryaealbella Chambers. Head, thorax, and base of fore wings, before the 

 costal and dorsal streaks, white, except for a wide, golden streak along costal 

 margin to first costal streak and a partial suffusion below fold with golden; four 

 costal, and three dorsal, white streaks, on a pale-golden ground color; black apical 

 spot. 6.5 mm. 



Kentucky ; Wisconsin. 



Tent mine on underside of hickory leaves; cocoon of frass and silk. 



17. L. rileyella Chambers. Wings golden; a white, unmargined, basal streak; 

 five costal white streaks, the first, before the middle, produced along the costa to 

 the base; three dorsal streaks, first large, with its apex opposite apex of second 

 costal; apical spot small. 7-8 mm. 



Missouri; Texas; Ohio. 



Tentiform mines on underside of oak; in Ohio, on Quercus imbricaria. 



18. L. kearfottella Braun. Head, thorax, and fore wings reddish saffron; a dark- 

 margined, white, basal streak; first costal at one- third, produced along costa to 

 basal fourth; first dorsal large; apical dot large. 7 mm. 



Elongate mines on lower side of leaves of chestnut. 



19. L. propinquinella Braun. Tuft dark brown; thorax and fore wings brownish 

 golden; fore wings darkened with brownish scales in the middle, from second pair 

 of streaks, to apex, and in dorsal half of wing; basal streak long, dark-margined 

 above and around its apex; a short, dorso-basal, white streak; four costal, and 

 three dorsal, white streaks, the first pair very oblique, the dorsal one of the pair 

 leginning much nearer the base than the costal. 8-9 mm. 



An underside miner on wild cherry, Prunus serotina. 



20. L. crataegella Clemens. Similar to the preceding in color and markings, 

 but differing in the smaller size and less oblique first pair of streaks, of which 

 the dorsal streak begins nearly opposite the costal. 6.5-7 mm. 



Small, underside mines on apple, Crataegus and Prunus. 



21. L. malimalif oliella Braun. Color as in L. crataegella, from which it differs 

 by the three, equally spaced, costal streaks. 5.5-6 mm. 



Underside miner on apple and quince; mine wrinkled, speckled above. 



22. L. scudderella Frey and Boll. Head, thorax, and fore wings pale yellowish 

 brown. Basal streak long, margined around apex only; four costal and three 

 dorsal white streaks, first pair very oblique, blackish internal margining often 

 indenting first dorsal on fold; when this accumulation of dark scales is absent, 

 the first dorsal streak appears less oblique. A streak of black scales in apex, 

 margined above and before with white. 7.5-9 mm. 



