|Lestes macrostigma (Eversmann, 1836)|
Status. A rare species of limited distribution and fragmented range. According to IUCN criteria categorized as Vulnerable VU B1b+B2b.
Brief description. The small–sized dragonfly with slim body (the length of the body is 39–48 mm). The thorax, the base and the apex of the abdomen are blue with more or less well expressed metallic iridescence. The abdominal segments are green with copper iridescence. The pterostigma is rather large.
Distribution. Mediterranean countries, a range from South Europe to West Siberia, Middle Asia, Armenia.
Distribution in Armenia. Recorded in the Ararat (near the Yeraskh and Sis villages) and Syunik (Nerkin Hand village) provinces.
Habitats. Found near stagnant water bodies, also known from thesemi–desert and forest belts.
Biological traits. The species develops in shallow waters with dense swampy vegetation within the saline swamp formations and steppe lakes. The development cycle is annual. In Armenia the flight was observed from May to June.
Population size and its trends. An extremely rare species, only few individuals are known. Trends in changes of abundance are unknown.
Major threats. The key threat is change of hydrologic regime caused by ameliorative works and agricultural land use.
Conservation measures. Protected in Shikahogh Reserve.
Suggested conservation measures. Discovery and conservation of species habitats in the Ararat Valley.
|© Thorsten Stegmann|
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Akramovski 1948,1964; Askew, 2004
Compiler. V. Ananyan