Water Scorpions - Missouri Department of Conservation
Water Scorpion Facts & Information (Nepidae) - Pond Informer
Water scorpion | Aquatic, Predator, Nymph | Britannica
Water scorpion - The Wildlife Trusts
Embarking on a Journey: The Life Cycle of Water Scorpions
Nepidae - Wikipedia
Ranatra - Entomology and Nematology Department
Canadian Biodiversity: Species: Insects: Water Scorpions
Water Scorpion Care and Habits - Aquatic Insects for Arachnid Fans