THE INSECTS OF NEW JERSEY. 571 



P. platanoideiella Braun. Larva in blotch mine on upperside of oak 

 leaves. 



P. betulivora Wlsm. Larva in small, nearly circular mine on upperside 

 of birch leaf. 



P. bethunella Cham. Larva in ovate blotch mine on upper surface of 

 oak leaf. 



P. guttifinitella Clem. Larvae mine upperside of leaves of poison ivy 

 until frost kills them. 



P. obstrictella Clem. Larva mines upperside of oak leaf; common. 



P. corylisella Cham. Larva? make blotch mine on upperside of hazel 

 leaf. 



P. ostryarella Cham. Larvae form community mines on upperside of 

 leaves of ironwood and hornbeam. 



P. aceriella Clem. Larva makes a broad tract mine on upper side of 

 maple leaf; adults V and IX. 



P. hamamelis Bsk. Larva in a whitish blotch mine on upper surface of 

 witch-hazel leaf. 



P. tubiferella Clem. Larva makes a long sinuate band-like mine on up- 

 perside of oak leaves, mine gradually increasing in width and fre- 

 quently crossing, so that it cannot be mistaken for any other species. 



PORPHYROSELA Braun. 



P. desmodiella Clem. (Lithocolletis) Larva mines underside of leaves 

 of "Desmodium," "Lespedeza" and "Phaseolus." 



CREMASTOBOMBYCIA Braun. 



C. solidaginis F. & B. Larva? are abundant in late summer in wrinkled 



mines on under surface of leaves of goldenrod. 

 C. ambrosiella Cham. Larva? make small mines on underside of leaves 



of Ambrosia and allied plants. 

 C. ignota F. & B. Rather large mines on underside of leaves of "Com- 



posita?." . 



BEDELLIA Staint. 



B. somnulentella Zell. Larva makes blotch mine on morning-glory IX, 

 at times feeds externally; adult X, probably two-brooded. 



GRACILARIA Haw. 



The species are usually brilliant golden yellow, red and brown. Rest 

 on leaf in characteristic pose, fore part of body much raised, the posterior 

 end touching the leaf. Fly freely to light. Larvae are all leaf miners in 

 early stages, some leave mine when half grown and form cones by twist- 

 ing and rolling end of a leaf. 



G. aceriella Cham. Larvae make cones at ends of maple leaves. 

 G. blandella Clem. Larvae found in their cones on walnut leaves. 



