Leuctridae

The Leuctridae are a family of stoneflies. They are known commonly as rolled-winged stoneflies and needleflies. This family contains at least 390 species.

Description

These small stoneflies can reach a length of, 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.

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

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
* Genus †Rasnitsyrina Sinitshenkova, 2011 Ulaan-Ereg Formation, Mongolia, Late Jurassic Khasurty locality, Russia, Early Cretaceous
* Genus †Palaeopsole Caruso and Wichard 2011 Baltic amber, Eocene