Family: Polymitarcyidae

Pale Burrowing Mayflies

These photos supplement pages 49-62 of the Guide to Aquatic Invertebrates of the Upper Midwest. Information on the biology of Polymitarcyidae can be found on page 60. There are two other families of mayflies with mandibular tusks however Polymitarcyidae tusks are pointed downward. Click to compare with Ephemeridae and Potamanthidae.

 

Polymitarcyidae

 

Polymitarcyidae tusks

 

Polymitarcyidae