Suborders: 3 (2 illustrated). Infraorders: 4 (1 illustrated). Subperfamilies: 9 (2 illustrated). Families: 44 (2 illustrated). Subfamilies: 2 (0 illustrated). Tribes: 6 (0 illustrated). Genera: 447 (2 illustrated). Species.
If you know the species, please, click on the picture and write the species name in Comments section. Also, you can go to the gallery page with all photos of Ephemeroptera sp. (large size).
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