LEPIDOPTERA OF NEW YORK AND NEIGHBORING STATES 193 



33. L. celtisella Chambers. Fore wing ocherous, with a long, white, basal streak, 

 dark-margined above; an angulated, median, white fascia; a straight fascia at 

 three-fourths, formed uy confluent streaks; both fasciae margined internally with 

 dense dusting; apex white, densely dusted with dark brown. 6-7 mm. 



Ohio; Kentucky. 



Mine on leaves of blackberry, Celtis accident alis ; at first linear on lower side, 

 then expanding to a blotch on upper side, made tentiform by a longitudinal ridge. 



34. L. basistrigella Clemens. Fore wings golden yellow; a long, narrow, median, 

 basal streak; a pair of very oblique, linear, costal and dorsal streaks of eqxial 

 width throughout and produced along the margins to the base; three posterior 

 costal, and one dorsal, white streak. 8 mm. 



An underside miner on leaves of oaks; mine scarcely wrinkled; cocoon flat, 

 outlined by a characteristic oval ring of frass. 



35. L. gemmea Frey and Boll. Fore wings reddish saffron; basal streak to 

 one-third, dark-margined above and below, near middle a nearly straight fascia; 

 two posterior costal, and two dorsal, white streaks; a large brown spot in apex. 

 7-7 . 5 mm. 



Massachusetts. 



An upperside miner on leaves of locust. 



36. L. diversella Braun. Thorax and base of wing sometimes deep, metallic 

 golden, wing elsewhere golden or reddish brown; markings silvery or white. A 

 very short basal streak; an almost straight fascia at one -third; two posterior 

 costal, and two dorsal, white spots; an irregular, dark-brown, apical spot, pre- 

 ceded by white scales. 5-7 mm. 



Ohio; Kentucky; 



Underside mines on huckleberry, Gaylussacia, and on sorrel tree, Oxydendrum 

 arbor eum. 



37. L. m'artiella Braun. Fore wing reddish saffron; a white basal streak to 

 one- third; a slightly curved, white fascia just before middle; three posterior 

 costal, and two dorsal, white streaks; a black apical spot. 7 mm. 



North Carolina; British Columbia. 



Narrow, tentiform mines on under side of leaves of birch, Betula spp. 



38. L. symphoricarpella Chambers. Fore wings brownish golden; a short, indis- 

 tinct, basal streak; a slightly curved fascia just before middle; at beginning of 

 cilia a second fascia, sometimes divided into opposite costal and dorsal streaks; 

 an indistinct costal streak preceding dusted apex. 5.5-6 mm. 



Ohio; Kentucky; Texas. 



Small, tentiform mines on underside of leaves of Symphoricarpos orbiculatus. 



39. L. lucetiella Clemens. Head, thorax, and basal half of fore wings white; 

 apical part suffused with golden; a golden costal streak from base, not reaching 

 middle. At about the middle, a white fascia, bordered with golden inwardly; 

 and a black spot on costa inwardly; at beginning of cilia a pair of white streaks, 

 black-margined inwardly; an unmargined white streak encircling apex. 6-7 mm. 



Rectangular transparent mines on underside of leaves of basswood, Tilia ameri- 

 cana; pupa contained in an oval cocoon. 



40. L. desmodiella Clemens. Tuft dark brown; thorax and base of fore wing 

 ruby -tinted; ferruginous brown beyond, with two silvery fasciae, dark-margined 

 on both sides; two posterior costal, and one dorsal white spot. 3-5 mm. 



Tentiform mines on underside of leaves of various leguminous plants, such as 

 Desmoditum, Lespedeza, and Phaseolus. Larvae often gregarious, in large, inflated 

 mines. 



41. L. ostensackenella Fitch. Head, thorax, and base of wing dark brown; 

 remainder of wing brilliant golden brown. Two silvery, almost straight fasciae, 

 at one-fourth and one-half, respectively, shading outwardly into the ground color. 

 Two posterior costal, and two dorsal streaks. 5.5-6 mm. ! 



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