Look in the catalog under Subject for "Insects"  You may wish to use the "Set Limits" button to narrow your search.

You may also go to the shelf location 581;582;582.16;585.2 in adult, juvenile or reference collections.

Online Insect Identification
Leaf identification  Easy to follow key from 4-H project in VA. 
Common Trees of Pa From Pa Dept of Conservation and Natural Resources
Autumn leaves A scrapbook of some common leaves in their autumn colors
What tree is it?  Ohio Public Library Information Network.

                                                            11/11/05