INSECTS INJURIOUS TO THE CHOKE CHERRY, ETC. 135 
20. Machimia tentoriferella Clem. (Imago unknown; the larva lives In 
a web on the under side of a leaf. Chambers, /. c.) 
Order DIPTERA. 
21. Cecidomyia serotine O. Sack. (Trans. Amer. Ent. Soe., ii, 346. 
New York. Osten Saeken.) 
Order COLEOPTERA. 
22. Dicerea divaricata Say. (Harris, etc.) 
CHOKE CHERRY (Prunus virginiana.) 
Order LEPIDOPTERA. 
1. Celodasys unicornis (Sm. Abb.). This interesting caterpillar feeds 
not only on the hazel, but also the choke cherry, according to Mr. 
Lintner. It also occurs on the apple and plum. It is to be found 
in August. 
2. Hyperchiria io (Fabr.). 
Order COLEOPTERA. 
3. Uroplata rosea Weber. (Harris.) 
Order HEMIPTERA. 
4. Aphis cerasifolie Fitch. (June, Sauk City, Wisconsin, Bundy., Thomas 
8th Rept., 93.) 
RED WILD PLUM (Prunus americana). 
Order LEPIDOPTERA. 
fn 
Lithocolletis crategella Clem. (Larva as in Prunus serotina; also om 
P. coronaria. Chambers, /. ¢.) 
2, Anarsia pruniella Clem. (Larva feeding in woody excrescenees - 
Chambers, J. ¢c.) 
3. Hvippe prunifoliella Chamb. (Larva feeds under the tip of the leaf 
turned down. Chambers, l. ¢.) 
4, Xylesthia pruniramiella Clem. (Larva feeds in woody excrescences. 
Chambers, l. c.) 
Order COLEOPTERA. 
ot 
Conotrachelus nenuphar (Herbst.). (Plum weevil, on wild plana, 
Canada. Saunders, Rept. Ontario Ent. Soc., 1880.) 
Order HEMIPTERA. 
6. Mytilaspis conchiformis (Gmelin). 
JUNE OR SERVICE BERRY (Amelanchier canadensis). 
Order LEPIDOPTERA. 
se 
Ornix quadripunctella Clem. (Larva ina tentiform mine in the leaves. 
Chambers, I. ¢.) 
