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Dolania is a monotypic genus of mayfly in the family Behningiidae containing the single species Dolania americana, also known as the American sand-burrowing mayfly. [3] It is found in the southeastern United States, as far south as Florida, and is generally uncommon. [ 4 ]
Caenis amica is a species of mayfly in the genus Caenis. As with most mayflies, it has an average adult lifespan of only a few days and lives near rivers in the Americas. As with most mayflies, it has an average adult lifespan of only a few days and lives near rivers in the Americas.
As of 2012, over 3,000 species of mayfly in 42 families and over 400 genera are known worldwide, [50] [51] including about 630 species in North America. [52] Mayflies are an ancient group of winged (pterygote) insects.
The Heptageniidae (synonym: Ecdyonuridae) are a family of mayflies with over 500 described species mainly distributed in the Holarctic, Oriental, and Afrotropical regions, and also present in the Central American Tropics and extreme northern South America. [1]
Its abundance is unknown. The Tomah mayfly is the only species within the monotypic genus Siphlonisca. [2] The Tomah mayfly is a habitat specialist and an indicator species. [3] Adults only live for a few days as they deposit eggs into rivers and streams. [4] Nymphs hatch from eggs and migrate to the floodplains during springtime and following ...
Hexagenia bilineata is a species of mayfly in the family Ephemeridae. It is native to North America where it is found in the Upper Mississippi Valley. Sometimes adults of this mayfly are so abundant as to cause a nuisance because of their enormous numbers. The larvae are aquatic and burrow in mud and the adult insects have brief lives.
The eggs are laid by the female dipping her abdomen into the surface of the water. This mayfly usually has a two-year life cycle (one- and three-year cycles have also been recorded), [1] with the nymphal stage lasting for most of this period and the adult being on the wing briefly in summer.
Download as PDF; Printable version; In other projects ... There are 51 species of mayfly known to occur in the British Isles. ... Adult. Naiad. Ephemera vulgata ...