MASS. EXPERIMENT STATION BULLETIN 353 



Gypsy Moth 



1. Female moth. Wings spread. Actual size. 



2. Female moth. Wings folded, laying eggs on the bark of a tree. 



3. Male moth. Wings spread. Actual size. 



4. Male moth. Wings folded. Actual size. 



5. Mature caterpillar. Actual size. 



Figs. 1, 3, and 5, Courtesy, Conn. Agr. Expt. Station. 



Actual size. 



Following is a list of the common forest trees of New England classified ac- 

 cording to their preference by the gypsy moth caterpillars, with a discussion of 

 the likelihood of the various mixtures of trees being attacked, as given by Behre, 

 Cline, and Baker. 



(1) Species highly favored by larvae in all stages — 



oak (all species) basswood box elder 



alder willow hawthorn 



gray birch river birch apple 



poplar (all species) 



(2) Species favored in all larval stages, but distinctly less so than those under 1 — 



paper birch larch (all species) 



(3) Species edible in all larval stages, but not favored (usually ignored in the presence of species 



under 1 and 2) — 



maple (all species) elm black gum 



yellow birch sassafras hornbeam 



black birch hickory (all species) black cherry 



