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Caliaeschna microstigma Schneider, 1845 ♀

Caliaeschna microstigma-Akritochori1.JPG <b><i>Caliaeschna microstigma</b></i> Schneider, 1845 ♀||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/06/20171106184145-5cff67e5-th.jpg>Thumbnails<b><i>Pica pica</b></i> Linnaeus, 1758||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/06/20171106112007-6bb7ea77-th.jpg><b><i>Caliaeschna microstigma</b></i> Schneider, 1845 ♀||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/06/20171106184145-5cff67e5-th.jpg>Thumbnails<b><i>Pica pica</b></i> Linnaeus, 1758||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/06/20171106112007-6bb7ea77-th.jpg><b><i>Caliaeschna microstigma</b></i> Schneider, 1845 ♀||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/06/20171106184145-5cff67e5-th.jpg>Thumbnails<b><i>Pica pica</b></i> Linnaeus, 1758||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/06/20171106112007-6bb7ea77-th.jpg><b><i>Caliaeschna microstigma</b></i> Schneider, 1845 ♀||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/06/20171106184145-5cff67e5-th.jpg>Thumbnails<b><i>Pica pica</b></i> Linnaeus, 1758||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/06/20171106112007-6bb7ea77-th.jpg>

Caliaeschna microstigma Schneider, 1845 ♀
Common names: Eastern Spectre [En], Caliaeschne à petits stigmas [Fr], Schaduwlibel [Nl], Schattenlibelle [De]

IUCN Status: LC (Least Concern)

Akritochori, SERRES ● Greece

Description: It is the smallest Aeshnidae in Europe, with 50-60 mm length. The pterostigma is dark and short and cover only 2 cells. The mature male is dark brown with antehumeral bands in form of 7 and blue dorsal punctuations. Females are more brown, with yellow marks.

Biology: Adults patrol continuously over the river bed and rather few are seen together. However remains of exuviae on the banks show that most of the localities produce an important population.

Habitat: Caliaeschna microstigma is confined to stony brooks and small rivers which are at least partly shaded. The habitats are fast running with sections of stiller water where the larvae are present. The species is mostly found in hilly and mountainous regions from 0 to 1650 m a.s.l.

Distribution: East Mediterranean species extending from the Balkans to Asia Minor, the Levant and Iran. In Europe it ranges from the Adriatic coast of Croatia to the southern tips of Greece and Bulgaria. It is lacking in Crete, however, where it is replaced by Boyeria cretensis in similar habitats.

References:
Boudot, J.-P, 2014. Caliaeschna microstigma, The IUCN Red List of Threatened Species.
Dijkstra K.-D., 2010. Field Guide to the Dragonflies of Britain and Europe, British Wildlife Publishing.




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Tuesday 2 May 2017
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