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Hexagenia nymphs
Nymph of H. bilineata Say, dorsal view. The hind feet are turned forward for comparison with the other feet, and the gills on the right are moved aside to show the markings on the abdomen. The 3-branched, rudimentary gills on the first abdominal segment are abnormal
Hexagenia nymphs<br>Nymph of H. bilineata Say, dorsal view. The hind feet are turned forward for comparison with the other feet, and the gills on the right are moved aside to show the markings on the abdomen. The 3-branched, rudimentary gills on the first abdominal segment are abnormal
CategoryInsects
CaptionHexagenia nymphs
Nymph of H. bilineata Say, dorsal view. The hind feet are turned forward for comparison with the other feet, and the gills on the right are moved aside to show the markings on the abdomen. The 3-branched, rudimentary gills on the first abdominal segment are abnormal
Image Date1921.00
SubjectHexagenia
Mayflies--Anatomy
Nymphs (Insects)
Image Source AuthorNeedham, James G.
Image Source TitleBurrowing Mayflies of Our Larger Lakes and Streams
Pub. Info.Washington, DC : Government Printing Office, 1921
Image Source SeriesBulletin of the United States Bureau of Fisheries, vol. 36, 1917-1918
Page No./Plate No.Plate LXXII-6
Digital collectionFreshwater and Marine Image Bank
RepositoryMost materials are located in the University of Washington Libraries. Images were scanned by staff of the UW Fisheries-Oceanography Library
CopyrightMaterials in the Freshwater and Marine Image Bank are in the public domain. No copyright permissions are needed. Acknowledgement of the Freshwater and Marine Image Bank as a source for borrowed images is requested.
Ordering InformationThe University of Washington Libraries does not provide reproductions of this image. This record contains a citation for this image. If you want to use the scanned image, acknowledgement of the Freshwater and Marine Image Bank as a source for borrowed images is requested.
TypeImage
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