Keywords: FMIB 47829 Hexagenia bilineata Say; adult.jpeg check categories 22 August 2015 1 Hexagenia bilineata Say; adult Adult male segmentation of the tails omitted 1; Legs of one side fore middle and hind from left to right 2; end of the abdomen of the male from beneath showing forceps penes and base of tails; middle tail rudimentary Subject Hexagenia- Mayflies--Anatomy Nymphs Insects Tag Insects 1921 00 Cite book Burrowing Mayflies of Our Larger Lakes and Streams Needham James G Washington DC Government Printing Office 1921 Bulletin of the United States Bureau of Fisheries vol 36 1917-1918 Plate LXXI Creator James George Needham PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 47829 Images from the Freshwater and Marine Image Bank to check James George Needham |