EXPLANATION OF PLATE 39. 



Drawn in colors by Ella M. Palmer. 



It has seemed desirable to present colored figures of the following insects since 

 in some of their forms they are the ones most commonly mistaken for the gypsy 

 moth. 



1. Eggs of Euvanessa aniiopa (Linn.) (Vanessa 



butterfly) . 



2. Caterpillar of Euva7iessa aniiopa, 



3. Chrysalis " " " 



4. Imago " " " 



5. Egg-cluster of Clisiocatnpa americana Harr. 



(tent caterpillar). 



6. Caterpillar of Clisiocampa atnericana. 



7. Cocoon " " " 



8. Male imago of " " 



9. Female imago of " " 



10. Caterpillar of Orgyia antiqua (Linn.). 



11. Male imago " " " 



12. Egg-cluster of Orgyia definita Pack. 



13. Caterpillar " 



14. Male imago " " " 



15. Egg-cluster of Orgyia leuco stigma (S. and A.) 



(the white marked tussock moth). 



16. Caterpillar of Orgyia leucostigma. 



17. Male imago of u u 



18. Female imago of " " 



