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 antiopa (Linn.) (Vanessa 



butterfly) . 



2. Caterpillar of E&ivanessa antiopa. 



3. Chrysalis " " " 



4. Imago " 



5. Egg-cluster of Clisiocampa americana Harr. 



(tent caterpillar). 



6. Caterpillar of Clisiocampa americana. 



7. Cocoon " " " 



8. Male imago of " " 



9. Female imago of " " 



10. Caterpillar of Orgyia antiqua (Linn.). 



11. Male imago " " " 



1 2 . Egg-cluster of Orgyia definita Pack. 



13. Caterpillar " " " 



14. Male imago " " " 



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



(the white marked tussock moth). 



1 6. Caterpillar of Orgyia leucostigma. 



17. Male imago of " " 



1 8. Female imago of " *' 



