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Insect Identification Key
Identify Insects in Michigan ... and beyond!

Your answer to the previous question was that your insect has at least two long, thin cerci.

Mayfly
Notice the huge, marble-like eyes on the head. This insect is a mayfly. Photo credit: Jim Conrad (public domain).

Does your insect have very large eyes that cover much of its head?

Take a close look at your insect’s head. Depending on the size of your insect, you may need a magnifying glass. See the photo for an example of an insect with very large eyes.

Click one of the following:

Yes, my insect has very large eyes that cover much of its head.

No, my insect does not have this characteristic.


I would like to return to the start of this key.



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Unless noted otherwise, photographs on this website are the property of the photographers and may not be reused without written permission from the photographers. To obtain permission, email the photographers here. High-resolution versions of the photographs are available.

Photos at the top of this website are (from left to right): potato beetle (Leptinotarsa decemlineata) — photo credit: Scott Bauer, U.S. Department of Agriculture; ebony jewelwing (Calopteryx maculata)— photo credit: U.S. Fish and Wildlife Service; sweat bee (Agapostemon splendens) — photo credit: Natalie Allen and Stephanie Kolski, U.S. Geological Survey; preying mantis, monarch butterfly (Danaus plexippus), hellgrammite (aka toe biter) larva and eyed click beetle (Alaus oculatus) — photo credit: Leslie Mertz, DailyGraceCards.com; Halloween pennant (Celithemis eponina) — photo credit: Kay Meng, U.S. Fish and Wildlife Service.

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