The only Ekdionurus [1] ( lat. Ecdyonurus solus ) is a species of mayflies from the family of seven-day Mayflies Heptageniidae . Bio indicators A rare species included in the Red Book of Ukraine and in the Red Book of Crimea [1] .
| Ekdionurus only | ||||||||||||||||||
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| Ecdyonurus solus Godunko, Kłonowska-Olejnik et Prokopov, 2007 |
 External Images | |
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 | Photo imago and larvae of Ecdyonurus solus |
Content
Distribution
Endemic of the mountain Crimea (the Black and Alma rivers). The northern slopes of the mountains at heights of 150-450 m [1] [2] .
Description
The body length of adult mayflies is up to 13 mm, larvae without cerci are up to 14 mm. The body is tan. The wings are transparent. The length of the front wings of males is 11 mm (the hind wings are 3.9 - 4.3 mm); length of forelegs of males 10.2 - 10.9 mm. Eggs are oval in shape, length 164-171 microns, width 108-116 microns. Larvae of phytodetritophages are found in fast-flowing rivers and streams with a rocky bottom. Adults on coastal vegetation; flying in June and July. They hibernate at the larval stage. Bio-indicators of water pollution [1] [2] .
The species was first described in 2007 by a group of entomologists from Krakow (Małgorzata Kłonowska-Olejnik), Simferopol (Grigory Prokopov) and Lvov (Roman Godunko) based on materials from the Crimea [2] .
Security
The species is included in the Red Book of Ukraine and in the Red Book of Crimea . It is protected in the Crimean nature reserve . The reason for the change in numbers is water pollution and a change in the hydrological regime [1] [3] [4] .
Notes
- ↑ 1 2 3 4 5 Red Book of the Republic of Crimea: Animals = Red book of the Republic of Crimea: Animals / resp. ed. S.P. Ivanov, A.V. Fateryga. - Simferopol: IT "ARIAL", 2015. - 440 p. - 197 copies. - ISBN 978-5-906813-88-6 .
- ↑ 1 2 3 Description of Ecdyonurus solus sp. nov., a new species of the Ecdyonurus venosus species-group (Ephemeroptera: Heptageniidae) from the Crimean Peninsula, Ukraine . // Małgorzata Kłonowska-Olejnik, Grigorii A. Prokopov & Roman J. Godunko. - Zootaxa 1620: 53-62 (2007)
- ↑ On the approval of the Lists (lists) of objects of flora and fauna, mushrooms, listed in the Red Book of the Republic of Crimea . Simferopol. Order of the Ministry of Economic Development and Trade of the Republic of Kazakhstan No. 452 dated 06/10/2015
- ↑ Chervona book of Ukraine. Tvarinny svit / Pid tanned. ed. І. A. Akіmova . - K .: Globalconsulting, 2009 .-- 624 p. (inaccessible link)
Literature
- Key to insects of the European part of the USSR. T. I. Lower, ancient winged, with incomplete transformation. / under the general ed. Corr. G. Ya. Bey-Bienko . - M. - L .: “Science”, 1964. - 936 p. - (Keys to the fauna of the USSR, published by the Zoological Institute of the Academy of Sciences of the USSR ; issue 84.). - 6300 copies.
- Bauernfeind, E. & Humpesch, UH (2001) Eintagsfliegen Zentraluropas (Insecta: Ephemeroptera): Bestimmung und Ökologie. Verlag des Naturhistorischen Museums Wien, Wien, 239 pp.