Aquatic insects are important in many ways, providing food for fish and serving as monitors for water quality. This detailed text provides keys to all Wisconsin's aquatic insects (80 pages).
Outdoor Hazards in Wisconsin: A Guide to Insects, Plants, and Wildlife SKU: G3564 $3.80
Freezing Home-Prepared Foods SKU: B1306 Price: $1.00
Heating Water on Dairy Farms SKU: A3784-02 Price: $0.50
Tomatoes Tart and Tasty SKU: B2605 Price: $3.00
Plant Crafts Supplement SKU: 4H453 Price: $0.90
Make Your Own Sauerkraut SKU: B2087 Price: $1.00