ODONATA
  Hemianax ephippiger (Burmeister, 1839)

 

Aeshnidae

Status. A rare species represented by a single population in the marginal part of its global range. According to IUCN criteria categorized as Endangered EN B1ab(iii)+2ab(iii).

Brief description. A large–sized dragonfly (the length of the body is 61–70 mm). The colouration is yellowish–brown purple which partly passes on the third segment. The segments of the abdomen have wide, dark brown, uneven stripes and narrow, dark coloured intersegmental annuli.

Distribution. Deserts of North Africa, Mediterranean countries eastwards to North India and CentralAsia, Great Caucasus, Georgia, Armenia.

Distribution in Armenia. Known from some sites of the Ararat Valley in the Armavir (Yeghegnavan, Margara, Arazap, Arax villages) and Ararat (environs of Ararat town) provinces.

Habitats. Warm and small, often ephemeral, water reservoirs and lakes in the semi–desert belt.

Biological traits. Individuals fly at twilight, sometimes towards the light. In Europe they are generally recorded from late March to October, in Armenia from July to August during the egg–laying period.

Population size and its trends. A rare and sporadically occurring species. Trends in changes of abundance are unknown.

Major threats. Agricultural land use, changes of hydrological regime caused by ameliorative works.

Conservation measures. Not applied.

Suggested conservation measures. Search for new habitats and their preservation in the Ararat Valley.

 

 
© David Vilasis  

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References

Akramovski 1948; Askew, 2004; Tailly et al., 2004

Compiler. V. Ananyan