Leuctridae
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These small stoneflies can reach a length of 5–13 mm (0.20–0.51 in), but most of the species are less than 1 centimeter long. The wings are slender and cylindrical, usually dark brown in color. At rest, the wings appear to be wrapping their bodies. The adults develop in early spring, swarm, mate, and lay the eggs in the water. The slender, yellowish larvae are herbivorous, feeding on plants and organic waste.
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Distribution
The species of Leuctridae have a mainly Holarctic distribution.
Systematics
Subfamilies, tribes, and genera include:
- Subfamily Leuctrinae Klapálek 1905
- Calileuctra Shepard & Baumann, 1995
- Despaxia Ricker, 1943
- Leuctra (insect) Stephens, 1836
- Moselia Ricker, 1943
- Pachyleuctra Despax, 1929
- Paraleuctra Hanson, 1941
- Perlomyia Banks, 1906
- Pomoleuctra Stark & Kyzar, 2001
- Rhopalopsole Klapálek, 1912
- Tyrrhenoleuctra Consiglio, 1957
- Zealeuctra Ricker, 1952
- Subfamily Megaleuctrinae Zwick 1973 (monotypic)
- Megaleuctra Neave, 1934
- Extinct genera
- Genus †Baltileuctra Chen, 2018 Baltic amber, Eocene
- Genus †Euroleuctra Chen, 2018 Baltic amber, Eocene
- Genus †Lycoleuctra Sinitshenkova, 1987 Glushkovo Formation, Russia, Late Jurassic (Tithonian)
- Genus †Rasnitsyrina Sinitshenkova, 2011 Ulaan-Ereg Formation, Mongolia, Late Jurassic (Tithonian) Khasurty, Russia, Early Cretaceous (Aptian)
- Genus †Palaeopsole Caruso and Wichard 2011 Baltic amber, Eocene
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Monotypic taxonTaxonomic group with only one subordinate taxonSpecies descriptionFormal description of a discovered speciesParaphylyType of taxonomic groupIUCN Red ListInventory of the global conservation status of biological speciesSubtropicsGeographic and climate zoneCommon nameName generally used for a taxon, group of taxa or organism(s)