Invertebrates - Overview

Diversity and Abundance of Insects

Grasshoppers

The Changing Insect Fauna of AlbanyÕs Pine Barrens

Lepidoptera Inventories in the Continental United States

Fourth of July Butterfly Count

Species Richness and Trends of Western Butterflies and Moths

The Tall-grass Prairie Butterfly Community

The Biota of Illinois Caves and Springs

Freshwater Mussels: A Neglected and Declining Aquatic Resource

Freshwater Mussels in Lake Huron-Lake Erie Corridor

Aquatic Insects As Indicators of Environmental Quality

Biodiversity Degradation in Illinois Stoneflies