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Worm

Worm. Very skinny worms that wriggle around like a thread. Return to Main List. Leech. *When they stretch out they look like a tear-drop *Do not worry about them, they need time to attach. Return to Main List. Flatworm.

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Worm

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  1. Worm Very skinny worms that wriggle around like a thread Return to Main List

  2. Leech *When they stretch out they look like a tear-drop *Do not worry about them, they need time to attach. Return to Main List

  3. Flatworm *Look like a flat jelly worm that glides over the surface of the tray or a leaf. *Small, about ¼” Return to Main List

  4. Scuds *Very small, about 1/8” *Swim quickly from one end of tray to the other. *Swim like mini-torpedoes and very difficult to catch Return to Main List

  5. Watermites They look like dirt specks except they move against the current of the water in the tray. Too small to get a good picture of it. Return to Main List

  6. Copepods *Swim a little but they like to hang on the sides of the container. *Very small, about 1/8” Return to Main List

  7. Mosquito Larva *Small tube on abdomen is breathing tube. *Sticks tube out of water and looks like it is hanging upside down. *Swims by wriggling body *Small, about ¼” Return to Main List

  8. Water strider *Looks like a rotting stick. *Very slow moving, found on bottom amongst the leaf litter. Return to Main List

  9. Giant Waterbug *Not very common *Often confused with dragonfly nymph *Has a flat back and it is hard to tell the wings from the head end *Size: ½-1” long Return to Main List

  10. Diving Beetle *Very fast swimmers. *Swim in any direction in the water. *Look like apple seeds with a few threads for legs. *Size: ¼” Return to Main List

  11. Damselfly Nymph *Common and a poor swimmer *Resemble football heads on a stick *Can only wiggle body back and forth to move. *Size: ½” *Usually sits on algae or bottom Return to Main List

  12. Dragonfly Nymph *Largest insect in the water. *Very slow moving and does not swim well. *Always walks along the bottom. *Size: ¼” to 1” long Return to Main List

  13. Water spider *Any spider that walks across the water *Eats minnows and other aquatic insects. *Leave them alone but if you get one, release it *Completely harmless Return to Main List

  14. Snails *Usually found on leaves *Usually as small as tiny apple seed but can be as large as a cherry seed. *Often little bumpy things on leaves. Return to Main List

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