Leuctridae
The Leuctridae are a family of stoneflies. They are known commonly as rolled-winged stonefliesLeuctridae.
Integrated Taxonomic Information System (ITIS). 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

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Megaleuctra
''Megaleuctra'' is a genus of rolled-winged stoneflies in the family Leuctridae The Leuctridae are a family of stoneflies. They are known commonly as rolled-winged stoneflies

Moselia
''Moselia'' is a genus of rolled-winged stoneflies in the family Leuctridae The Leuctridae are a family of stoneflies. They are known commonly as rolled-winged stoneflies

Plecoptera
Plecoptera is an order of insects, commonly known as stoneflies. Some 3,500 species are described worldwide, with new species still being discovered. Stoneflies are found worldwide, except Antarctica. Stoneflies are believed to be one of the most primitive groups of Neoptera, with close relatives identified from the Carboniferous and Lower Permian geological periods, while true stoneflies are known from fossils only a bit younger. Their modern diversity, however, apparently is of Mesozoic origin. Plecoptera are found in both the Southern and Northern Hemispheres, and the populations are quite distinct, although the evolutionary evidence suggests species may have crossed the equator on a number of occasions before once again becoming geographically isolated. All species of Plecoptera are intolerant of water pollution, and their presence in a stream or still water is usually an indicator of good or excellent water quality. Description and ecology Stoneflies have a generaliz ...
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Paraleuctra
''Paraleuctra'' is a genus of rolled-winged stoneflies in the family Leuctridae The Leuctridae are a family of stoneflies. They are known commonly as rolled-winged stoneflies

Despaxia
''Despaxia'' is a genus of rolled-winged stoneflies in the family Leuctridae The Leuctridae are a family of stoneflies. They are known commonly as rolled-winged stoneflies

Baltic Amber
The Baltic region is home to the largest known deposit of amber, called Baltic amber or succinite. It was produced sometime during the Eocene epoch, but exactly when is controversial. It has been estimated that these forests created more than 100,000 tons of amber. Today, more than 90% of the world's amber comes from Kaliningrad Oblast of Russia. It is a major source of income for the region; the local Kaliningrad Amber Combine extracted 250 tonnes of it in 2014, 400 tonnes in 2015. "Baltic amber" was formerly thought to include amber from the Bitterfeld Lignite, brown coal mines in Saxony (Eastern Germany). Bitterfeld amber was previously believed to be only 20–22 million years old (Miocene), but a comparison of the animal inclusions in 2003 suggested that it was possibly Baltic amber that was redeposited in a Miocene deposit. Further study of insect taxa in the ambers has shown Bitterfeld amber to be from the same forest as the Baltic amber forest, but separately deposited f ...
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Eocene
The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', "dawn") and (''kainós'', "new") and refers to the "dawn" of modern ('new') fauna that appeared during the epoch. The Eocene spans the time from the end of the Paleocene Epoch to the beginning of the Oligocene Epoch. The start of the Eocene is marked by a brief period in which the concentration of the carbon isotope Carbon-13, 13C in the atmosphere was exceptionally low in comparison with the more common isotope Carbon-12, 12C. The end is set at a major extinction event called the ''Grande Coupure'' (the "Great Break" in continuity) or the Eocene–Oligocene extinction event, which may be related to the impact of one or more large bolides in Popigai impact structure, Siberia and in what is now ...
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Glushkovo Formation
Glushkovo (russian: Глушково) is the name of several inhabited localities in Russia. ;Urban localities *Glushkovo, Glushkovsky District, Kursk Oblast, a work settlement in Glushkovsky District of Kursk Oblast ;Rural localities * Glushkovo, Kaliningrad Oblast, a settlement in Kamensky Rural Okrug of Chernyakhovsky District of Kaliningrad Oblast * Glushkovo, Krasnoyarsk Krai, a village in Balakhtonsky Selsoviet of Kozulsky District of Krasnoyarsk Krai * Glushkovo, Kulbakinsky Selsoviet, Glushkovsky District, Kursk Oblast, a station settlement in Kulbakinsky Selsoviet of Glushkovsky District of Kursk Oblast * Glushkovo, Republic of Mordovia, a '' selo'' in Glushkovsky Selsoviet of Kadoshkinsky District of the Republic of Mordovia * Glushkovo, Nizhny Novgorod Oblast, a village in Bolsherudkinsky Selsoviet of Sharangsky District of Nizhny Novgorod Oblast * Glushkovo, Kholm-Zhirkovsky District, Smolensk Oblast, a village in Nakhimovskoye Rural Settlement of Kholm-Zhirkovsky D ...
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