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 oy 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, Celt is occidentalis ; 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 equal 

 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 

 arboreum. 



37. L. martiella 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. 



Xarrow, tentifonn 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 

 Desmodvum, Lespedeza and PJiaseohts. Larva; 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. 



7 



