Dobsonflies, Fishflies, Hellgrammites
These photos supplement page 108 of the Guide to Aquatic Invertebrates of the Upper Midwest. Information on the biology of Corydalidae can be found on page 109.
These photos supplement page 108 of the Guide to Aquatic Invertebrates of the Upper Midwest. Information on the biology of Corydalidae can be found on page 109.