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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 ]
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.
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.
Adult emergence is correlated to maximum air temperatures and persistence of standing water in the floodplain. [5] Tomah mayflies live in the adult stage for only 1–9 days, as they mate and lay eggs. They do not feed in the adult stage. [4] The Tomah Mayfly is a natural prey of Brook Trout (Salvelinus fontinalis). The Tomah Mayfly tends to ...
2021. Overall life expectancy: 76.4 Women: 79.3 Men: 73.5 On average in 2021, life expectancy for men fell quicker than women, widening a gap that had been growing over the past decade.
Hexagenia limbata, the giant mayfly, is a species of mayfly in the family Ephemeridae. It is native to North America where it is distributed widely near lakes and slow-moving rivers. [ 2 ] The larvae, known as nymphs, are aquatic and burrow in mud and the adult insects have brief lives.
Life expectancy in the U.S. is projected to increase from 78.3 years in 2022 to 79.9 years in 2035 and to 80.4 years in 2050 for all sexes combined, researchers said.