Stream Macroinvertebrate Identification

TIC Dichotomous Key

dnr_bugsheet

guide-to-caddis

Macroinvertebrates.org

www.macroinvertebrates.org

Mayflies, stick caddis, stonefly, hellgrammite

Crane fly larvae

Stick caddis out of its case

Early stonefly

Rock caddis

Scud

Upper left: Stick cased caddis. Two mayflies, a stonefly, and a hellgrammite.

Nematode, Crane fly larvae, hellgrammite, rock cased caddis, and lots of tiny mayflies

Stonefly, Mayfly, nemotode, rock cased caddis, and net spinning caddis.

Crane fly larvae

Water Penny

Some different kinds of caddisflies:

Net spinning caddis

Rock cased caddis

Stick cased caddis and a rock cased caddis together

Cased caddis outside of its case

Crawfish and some mayflies