Family: Taeniopterygidae

Winter Stoneflies

These photos supplement pages 77-86 of the Guide to Aquatic Invertebrates of the Upper Midwest. Information on the biology of Taeniopterygidae can be found on page 86. Taeniopterygidae wing pads diverge greatly from the midline. Also, some genera have coxal gills, whereas others don’t.




Taeniopterygidae gills


Taeniopterygidae wings


Taeniopterygidae tarsi