Keywords: FMIB 38379 Pentagonia vittigera Walsh; adult.jpeg check categories 26 August 2015 1 Pentagonia vittigera Walsh; adult Adult mail of the quadripunctata form 15; Legs of one side 16; End of abdomen of male from beneath 17; End of abdomen of female from beneath 18 Subject Pentagenia Mayflies--Anatomy Tag Insects 1921 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 Platte LXXIII Creator James George Needham PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 38379 Images from the Freshwater and Marine Image Bank to check James George Needham |