140 (INSECTS INJURIOUS TO FOREST AND SHADE TREES. 
10. 
1A. 
Nepticula ostryefoliella Clem. 
Nepticula virginiella Clem. (Imago of both species unknown. Larve 
make linear, crooked mines in upper surface of leaves. Cham- 
bers, J: ¢.) 
Gracilaria ostryeella Chamb. (Imago unknown. The larvee when 
very small makes a linear, whitish mine in the upper surface of 
the leaves. Chambers, l. ¢.) 
Coleophora ostrye Clem. (Imago unknown. The larva lives in a 
case and feeds on the under surface of the leaves. Chambers, l. ¢.) 
Order HEMIPTERA. 
. Psylla carpini Fitch. 
WATER BEECH, HORNBEAM (Carpinus americana). 
Order LEPIDOPTERA. 
1. Lithocolletis coryliella Chamb. 
Order DirptERA. 
2. Cecidomyia pudibunda O. Sacken. (On the leaves, District of Colum - 
bia. O.Sacken.) 
ALDER (Alnus serrulata, ete.). 
Order HYMENOPTERA. 
. Nematus sp. (A rather large, dirty yellowish false-caterpillar, in 
clusters on the leaves. Brunswick, Me., Packard.) 
Order LEPIDOPTERA. 
. Hacles imperialis Hiibner. (G. D. Hulst, Bull. Brooklyn Ent. Soe., 
ii, 77.) 
. Acronycta sp. (Common on the leaves in August and September, 
Maine, Packard.) 
. Acronycta acericola Guenée. (Feeds on birch and alder. Riley, Rt- 
ii, 121.) 
. Lithocolletis alnivorella Chamb. 
. Lithocolletis alnifoliella Hiibner. 
. Lithocolletis auronitens Frey and Boll. (Lhe larve of these three 
species live in tentiform mines in the under side of the leaves. 
Chambers, l. ¢.) 
Gracilaria alnicolella Chamb. 
Gracilaria alnivorella Chamb. (When very young the larve of these 
two species mine the leaves; when older, they roll them down- 
ward; alnicolella from the tip, alnivorella from the side. Cham- 
bers, l. ¢. ) 
. Lyonetia alniellaChamb. (The larva makes a large, brownish blotch 
mine in the leaves. Chambers, 1. ¢.) 
