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Around half of all mayfly species whose reproductive biology has been described are parthenogenetic (able to asexually reproduce), including both partially and exclusively parthenogenetic populations and species. [18] Many species breed in moving water, where there is a tendency for the eggs and nymphs to get washed downstream.
Siphluriscidae is a family of mayflies. It contains a single extant species, Siphluriscus chinensis, which is native to Vietnam and China. [1] [2] It is thought to be the most primitive living lineage of mayflies. [3] A fossil genus, Stackelbergisca is known from several species from the Jurassic and Early Cretaceous of Asia. [1]
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 ...
Mayflies. Wikimedia Commons has media related to Ephemeroptera. Articles relating to Mayflies (order Ephemeroptera), aquatic insects. This order is part of an ancient group of insects termed the Palaeoptera, which also contains dragonflies and damselflies. Over 3,000 species of mayfly are known worldwide, grouped into over 400 genera in 42 ...
Palingenia longicauda. Palingenia longicauda is an aquatic insect in the order Ephemeroptera. It is known as the Tisa or Tisza mayfly after the European Tisza river where it is found and also as the long-tailed mayfly and giant mayfly since it is the largest mayfly species in Europe, measuring 12 cm (4.7 in) from head to tail. [1][2] Unlike ...
Binomial name. 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.
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.
Caenidae. Ulmer, 1920. Synonyms. Brachycercidae, Coenidae [ 1] Caenidae, is a family of mayflies, sometimes called "small squaregill mayflies". Species are found throughout the world in lotic, depositional environments, and they are sprawlers. [ 2] Caenids occur in quiet and even stagnant water and are often overlooked because they are so small ...