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Steinfliegen-Larven ////////////// Stonefly ...
~7 cm long aquatic invertebrate with double tail, segmented abdomen, large ...
Isoperla is a genus in the family Perlodidae, also known as the perlodid
2 toes, 2 tails, 3 cm, cricket- like. Pollution tolerance of 1.
2 toes, 2 tails, bright green, 1 cm long. Pollution tolerance of 2.
These invertebrates are found in uncontaminated streams. These insects need ...
Looks like a Perlidae although the abdomen is somewhat short for the Common ...
P. californica nymphs, or larvae, can grow ...
About 4 cm long these are the largest of the North American
Most caddisfly larvae are underwater ...