Mammal survey Pol'ana - De Zoogdiervereniging
Mammal survey Pol'ana - De Zoogdiervereniging
Mammal survey Pol'ana - De Zoogdiervereniging
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Photo: Joost Verbeek<br />
5.4 DRAGON FLIES by: Kees Mostert<br />
Twenty-one species of dragon flies were seen during the workshop. Sweet surface water was limited to<br />
running brooks in the neighbourhood of the camp site, often mostly or entirely surrounded by trees and some<br />
puddles. Along the overshadowed brook streams on many places Beautiful demoiselles could be admired,<br />
off and on accompanied by Banded demoiselles,. On a single location a Green-eyed club-tail was seen.<br />
Above and along the reservoirs the Emperor dragonfly, Southern hawker, Black-tailed skimmer, Common<br />
blue damselfly and White-legged damselfly appeared regularly.<br />
Alongside the puddles with developed bank vegetations most sorts of dragon flies were observed. Here<br />
diverse species of Emerald damselflies and Azure damselfly were present and big quantities of Ruddy Darters.<br />
Once also the Southern migrant hawker was seen. In the damp banks some Yellow-winged Darters were<br />
seen. In Pol’ana itself only a few species of dragon flies were seen, such as the Southern hawker and the<br />
Migrant hawker.<br />
The following species have been recorded (the Dutch, English and Latin name are presented):<br />
Bosbeekjuffer Beautiful demoiselle Calopteryx virgo<br />
Weidebeekjuffer Banded demoiselle Calopteryx splendens<br />
Gewone pantserjuffer Emarld damselfly Lestes sponsa<br />
Tengere pantserjuffer Small damselfly Lestes virens<br />
Tangpantserjuffer Scarce damselfly Lestes dryas<br />
Zwervende pantserjuffer Shy damselfly Lestes barbarus<br />
Blauwe Breedscheenjuffer White-legged damselfly Platycnemis pennipes<br />
Watersnuffel Common blue damselfy Enallagma cyathigerum<br />
Azuurwaterjuffer Azure damselfly Coenagrion puella<br />
Lantaarntje Blue-tailed damselfy Ischnura elegans<br />
Paardenbijter Migrant hawker Aeshna mixta<br />
Blauwe glazenmaker Southern hawker Aeshna cyanea<br />
Bruine glazenmaker - Aeshna grandis<br />
Zuidelijke glazenmaker Southern migrant hawker Aeshna affinis<br />
Grote keizerlibel Emperor dragonfly Anax imperator<br />
Kleine tanglibel Green-eyed club-tail Onychogomphus forcipatus<br />
Gewone oeverlibel Black-tailed skimmer Orthetrum cancellatum<br />
Zuidelijke oeverlibel Southern skimmer Orthetrum brunneum<br />
Bloedrode heidelibel Ruddy Darter Sympetrum sanquineum<br />
Bruinrode heidelibel - Sympetrum striolatum<br />
Geelvlekheidelibel Yellow-winged Darter Sympetrum flaveolum<br />
Small streams are not only a suitable habitat for otters but also for various dragonflies.<br />
34 Dutch <strong>Mammal</strong> Society
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