Search results
Results from the WOW.Com Content Network
Hexagenia limbata. (Serville, 1829) [1] 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.
The nymph is the dominant life history stage of the mayfly. Different insect species vary in their tolerance to water pollution, but in general, the larval stages of mayflies, stoneflies (Plecoptera) and caddis flies (Trichoptera) are susceptible to a number of pollutants including sewage , pesticides and industrial effluent .
Nymph. Male imago of Baetis tricaudatus. Baetis sahoensis. Baetis is a genus of mayflies of the family Baetidae, known as the blue-winged olive to anglers. There are at least 150 described species in Baetis. [1][2][3][4] They are distributed worldwide, with the most variety in North America and northern Europe. [5]
Baetidae is a family of mayflies with about 1000 described species in 110 genera distributed worldwide. [1] These are among the smallest of mayflies, adults rarely exceeding 10 mm in length excluding the two long slender tails and sometimes much smaller, and members of the family are often referred to as small mayflies or small minnow mayflies.
Stenonema. 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] The group is sometimes referred to as flat-headed mayflies or stream mayflies.
Tomah mayfly nymphs and sub-adults feed predaceously on other invertebrates in the floodplains, which is unusual as other species of mayflies feed on dead plant material. [4] Siphlonisca is a monotypic genus, meaning Siphlonisca aerodromia is the only species within this genus. [7] The species is univoltine, meaning one generation is produced ...
Ephemera. Species: E. vulgata. Binomial name. Ephemera vulgata. Linnaeus, 1758. E. vulgata nymph. Ephemera vulgata is a species of mayfly in the genus Ephemera. This mayfly breeds in stationary water in slow rivers and in ponds, the nymphs developing in the mud.
Binomial name. Leptophlebia marginata. (Linnaeus, 1767) Subimago of L. marginata. Leptophlebia marginata, the sepia dun, is a species of mayfly in the family Leptophlebiidae. It is native to Europe and North America where it is distributed widely near lakes, ponds and slow-moving streams. The larvae, which are known as nymphs, are aquatic.