98 WILLIAM T. M. FORBES 



Rubus spp., blackberry, raspberry : 



(1) A 7 , villosella; narrow, serpentine mine. 



(2) N. rubifoliflla; short, narrow, linear mine, expanding into a blotch. 

 Rosa spp., rose: 



(1) N. rosvefoliella; serpentine mine. 

 Prunus serotina, wild black cherry: 



(1) N. bifasciella; narrow, serpentine mine. 

 Prunus americana, wild plum: 



(1) A T . bifasciella; narrow, serpentine mine. 



(2) N. slingerlandella; narrow, linear mine, abruptly enlarging into an irreg- 



ular blotch (also on cultivated plums and prunes, and sweet cherry). 

 Ptelea trifoliata, hop tree: 



(1) N. pteliceella; very long, much contorted, narrow, serpentine mine. 

 Rhus toxicodendron, poison ivy: 



(1) N. rhoifoliella ; narrow, contorted, serpentine mine. 

 Hints spp., sumac: 



(1) N. intermedia; narrow, contorted, serpentine mine. 

 Acer saccharum, sugar maple: 



(1) Glaucolepis saccharella; very long, linear mine. 

 Acer rabrum, red maple: 



(1) Glaucolepis saccharella; very long, linear mine. 

 Rhamnus lanceolata, buckthorn: 



(1) N. rhamnicola; linear mine, expanding into an irregular blotch. 

 Tilia americana, basswood: 



(1) N. tilliella; serpentine mine. 



(2) N. argentifasciella; indistinct, linear mine, expanding into a blotch. 

 Nyssa sylvatica, sour gum or pepperidge : 



(1) A 7 , nysscefoliella; linear mine, abruptly expanding into a blotch. 

 Oxycoccus macrocarpus, cranberry: 



(1) N. paludioola; serpentine track, in part following the margin of the leaf. 



