Leopard moth, Zeuzera pyrin a F"abr. 



1 Empty pupal case froni which female moth has emerged 



2 Female moth at rest on the bark 



3 Male moth with wings expanded 



4 Nearly full grown caterpillar, probalily a female 



5 Male pupa in its l)urrow 



6, 6a Exit holes covered by a loose piece of bark which the pupa will 

 push off as it partly emerges 



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



web 



8 Same as above, liut in use 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 <r 



Maple borer, S c s i a 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 



i6 Moths expanded and at rest 

 ly Excrement of caterpillars 

 i8 Caterpillar in its burrow 



