Caseworm or Caddisfly Larva

Subject:  found in water
Geographic location of the bug:  Minnesota
Date: 02/11/2018
Time: 01:55 AM EDT
Your letter to the bugman:  Found this bug came up my ice fishing hole looks like it is connected to a stick
How you want your letter signed:  any

Caseworm

Dear Any,
This is the aquatic larva of a Caddisfly, commonly called a Caseworm because the larva constructs a shelter from twigs, pebbles, shells or other materials as a means of protection.  Each species of Caddisfly constructs a different looking shelter.

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Location: Minnesota