Explanation of Plate %. 



Leopard Aott) (Zeuzera pyrina Fabr.). 



1. Empty pupal case from which female moth has emerged. 



2. Female moth with wings folded. 



3. Male moth with wings expanded. 



4. Nearly full grown caterpillar, probably a female. 



5. Male pupa in its burrow. 



6. Exit hole covered by a loose piece of bark which the pupa will push off 



as it partly emerges. 6a. Another. 



7. Hole made for the pushing out of excrement and then closed by a 



silk web. 



8. Same as above, but in use and with particles of excrement dangling by 



silken threads. 



9. Work of caterpillar a preceding season. 



10. Work of caterpillar the present season. 



1 1. Young twig eaten by larva, point of entrance at a. 



i^aple I^orer (Sesia acerni Clem.). 



12. Hole from which pupal case has fallen. 



13. Bark nearly eaten through ready for the pupa to push out. 



14. Empty pupal skin. 



15. Two cocoons as spun. 



16. Moths expanded and at rest. 

 1 7. Excrement of caterpillars. 



18. Caterpillar in its burrow. 



3S2 



