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[Image Number] 102 [Image (Click to Enlarge)] Dobsonfly eggcases These white crusty patches under the 100' Piney River Trail bridge are the eggcases of Dobsonflies. These are large aquatic insects that spend their larval stage in water. The larvae are called "hellgrammites." They have long, s... [Image Viewed] 1022 [Caption] 
Dobsonfly eggcases These white crusty patches under the 100' Piney River Trail bridge are the eggcases of Dobsonflies. These are large aquatic insects that spend their larval stage in water. The larvae are called "hellgrammites." They have long, sharp mandibles with which they can bite.
Insects IV - True Flies, Dragonflies and insects with "fly" in their name
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