Dobsonfly larvae
Dobsonfly Alias: Hellgrammite |
How to make the ID: two large mandibles, filaments along the abdomen, a pair of short tail filaments used for grabbing things. It has six legs.
Its Color: brownish to black with a dark plate behind the base of the head.
How it reproduces: female attaches eggs on overhanging vegetation; when eggs hatch, the larvae fall into the water.
Metamorphosis: Complete
It is food for: larger game fish.
Its food: other aquatic macroinvertebrates.
Indicator: intolerant to pollution
Length: up to 3 inches.