DragonflyPix

Isotytönkorento (Erythromma najas)

• English name: Large Redeye
• German name: Grosses Granatauge
• French name: Naïade aux yeux rouges
• Dutch name: Grote roodoogjuffer
• Swedish name: Större rödögonflickslända
• Norwegian name: Rødøyevannymfe
• Finnish name: Isotytönkorento
• Danish name: Rødøjet vandnymfe
• Italian name: Occhirossi maggiore
• Czech name: šidélko rudoočko
• Slovenian name: Veliki rdečeokec
• Bulgarian name: Голямо стреличе

Isotytönkorento (Erythromma najas)

Distribution map Erythromma najas

Map data based on J.-P. Boudot & V. J. Kalkman (eds.),
Atlas of the European Dragonflies and Damselflies


General • a fairly large species with red eyes which occurs mainly in Central and Northern Europe
Classification • suborder: Zygoptera (damselflies); family: Coenagrionidae
Scientific name Erythromma najas (Hansemann, 1823)
Distribution • click or tap the Map button above
Notes • noticeably larger than E. viridulum
Habitat • well-vegetated ponds and lakes, especially with floating vegetation
Dimensions • typical body length: 30-36 mm; hindwing: 19-24 mm
MaleHead• the eyes are bright red
 Thorax• the antehumeral stripe is absent
 Abdomen• the top of the abdomen is all black except for S1, S9 and S10, which are sky blue
  ➤ the sky-blue tail-light on S9 and S10 is uninterrupted
  ➤ the side of S2 and S8 are black
  • S1-S7 may be covered by a light pruinescence
FemaleHead• the eyes are brown/green
 Thorax➤ the antehumeral stripe is heavily reduced
Photographs • most of our photos below were made in Austria, Finland and the Netherlands

Erythromma najas; abdomen, male
Note: By contrast, in E. viridulum the male's S8 is blue.

Erythromma najas; abdomen, male
Note: By contrast, in E. viridulum the male's S10 carries a black mark.

Click on a thumbnail to display the photograph (at 1200 x 800 pixels) in a new window.

Erythromma najas, thumbnail 1 / 20
Isotytönkorento (Erythromma najas) ♂

1 / 20; PhotoID: Da414 17/06/2011 11:06 Austria F8 1/80 180mm ISO200 Canon7D -Crop -Flash MF
Erythromma najas, thumbnail 2 / 20
Isotytönkorento (Erythromma najas) ♂

2 / 20; PhotoID: Da415 17/06/2011 11:44 Austria F8 1/125 180mm ISO200 Canon7D -Crop -Flash MF
Erythromma najas, thumbnail 3 / 20
Isotytönkorento (Erythromma najas) ♂

3 / 20; PhotoID: Da416 26/07/2012 10:35 Finland F8 1/30 180mm ISO200 Canon7D -Crop -Flash MF
Erythromma najas, thumbnail 4 / 20
Isotytönkorento (Erythromma najas) ♂

4 / 20; PhotoID: Da417 26/06/2014 17:34 Austria F9.5 1/45 180mm ISO400 Canon7D -Crop -Flash MF
Erythromma najas, thumbnail 5 / 20
Isotytönkorento (Erythromma najas) ♂

5 / 20; PhotoID: Da418 21/06/2009 10:29 Austria F5.6 1/50 180mm ISO200 Canon50D -Crop -Flash MF
Erythromma najas, thumbnail 6 / 20
Isotytönkorento (Erythromma najas) ♀

6 / 20; PhotoID: Da419 15/06/2018 11:06 Austria F8 1/250 180mm ISO200 Canon7D2 -Crop -Flash MF
Erythromma najas, thumbnail 7 / 20
Isotytönkorento (Erythromma najas) ♂

7 / 20; PhotoID: Da420 13/05/2009 14:00 Germany F8 1/125 180mm ISO200 Canon50D -Crop -Flash MF
Erythromma najas, thumbnail 8 / 20
Isotytönkorento (Erythromma najas) ♂

8 / 20; PhotoID: Da400 21/06/2009 10:45 Austria F5.6 1/80 180mm ISO200 Canon50D -Crop -Flash MF
Erythromma najas, thumbnail 9 / 20
Isotytönkorento (Erythromma najas) ⚤

9 / 20; PhotoID: Da469 05/05/2007 15:13 Netherlands F6.3 1/125 180mm ISO100 Canon10D -Crop -Flash MF
Erythromma najas, thumbnail 10 / 20
Isotytönkorento (Erythromma najas) ♀

10 / 20; PhotoID: Da514 17/06/2011 12:14 Austria F9 1/160 180mm ISO200 Canon7D -Crop -Flash MF
Erythromma najas, thumbnail 11 / 20
Isotytönkorento (Erythromma najas) ♀

11 / 20; PhotoID: Da515 20/06/2016 10:36 Sweden F8 1/1000 180mm ISO400 Canon7D2 -Crop -Flash MF
Erythromma najas, thumbnail 12 / 20
Isotytönkorento (Erythromma najas) ♀

12 / 20; PhotoID: Da516 25/06/2014 14:53 Austria F8 1/180 180mm ISO400 Canon7D -Crop -Flash MF
Erythromma najas, thumbnail 13 / 20
Isotytönkorento (Erythromma najas) ♀

13 / 20; PhotoID: Da517 05/07/2008 08:15 Finland F8 1/180 180mm ISO200 Canon40D -Crop -Flash MF
Erythromma najas, thumbnail 14 / 20
Isotytönkorento (Erythromma najas) ♂

14 / 20; PhotoID: Da528 13/06/2007 09:02 Austria F5.6 1/160 180mm ISO200 Canon30D -Crop -Flash MF
Erythromma najas, thumbnail 15 / 20
Isotytönkorento (Erythromma najas) ♀

15 / 20; PhotoID: Da529 15/05/2014 16:25 France F8 1/30 180mm ISO200 Canon7D -Crop -Flash MF
Erythromma najas, thumbnail 16 / 20
Isotytönkorento (Erythromma najas) ♂

16 / 20; PhotoID: Da530 13/06/2007 09:08 Austria F5.6 1/160 180mm ISO200 Canon30D -Crop -Flash MF
Erythromma najas, thumbnail 17 / 20
Isotytönkorento (Erythromma najas) ♂

17 / 20; PhotoID: Da531 26/06/2014 17:46 Austria F8 1/30 180mm ISO400 Canon7D -Crop -Flash MF
Erythromma najas, thumbnail 18 / 20
Isotytönkorento (Erythromma najas) ♂

18 / 20; PhotoID: Da532 28/04/2011 13:22 Netherlands F8 1/250 180mm ISO200 Canon7D -Crop -Flash MF
Erythromma najas, thumbnail 19 / 20
Isotytönkorento (Erythromma najas) ♂

19 / 20; PhotoID: Da533 17/06/2011 11:45 Austria F8 1/200 180mm ISO400 Canon7D -Crop -Flash MF
Erythromma najas, thumbnail 20 / 20
Isotytönkorento (Erythromma najas) ♀

20 / 20; PhotoID: Da534 15/06/2018 11:13 Austria F8 1/400 180mm ISO200 Canon7D2 -Crop -Flash MF