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Leopard Moth (Zeusera 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 with particles of excrement dangling by silken threads; 9. Work of caterpillar a preceding season; 10. Work of caterpillar the present season; 11. Young twig eaten by larva, point of entrance at a. Maple borer (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; 17. Excrement of caterpillars; 18. Caterpillar in its burrow

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