Early Stages
Caterpillars, larvae, eggs, cocoons, pupae, etc.
Quick Notes:
Butterfly Caterpillars
The essential guide to identifying butterfly larvae in thie part of the world is David Wagner’s Caterpillars of Eastern North America.
Moth Caterpillars
Moth caterpillars come in a variety of shapes and sizes. The quintessential book for identification is David Wagner’s Caterpillars of Eastern North America.
Sawfly Larvae
Sawflies are actually wasps. Although there are structural differences, they mostly require the observer to get rather personal with the insect. Once you find one and identify it, you will know the difference.