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The nymphs are highly susceptible to pollution and can be useful in the biomonitoring of water bodies. [4] Once they have emerged, large numbers are preyed on by birds, bats and by other insects, such as Rhamphomyia longicauda. [5] Mayfly nymphs may serve as hosts for parasites such as nematodes and trematodes. Some of these affect the nymphs ...
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 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.
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.
Ephemera danica can reach an imago size of 15–20 mm (0.6–0.8 in) in males, while females are larger, reaching 16–25 mm (0.6–1.0 in). This mayfly, with its characteristic markings and three tails ( Cerci ), is the most commonly seen of British Ephemeridae. Imago wings are translucent with dark veining, while in subimago they are dull and ...
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. [2] It is found in the southeastern United States, as far south as Florida, and is generally uncommon. [3]
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.
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.