File:ErythrommaNajas+Viridulum.jpg
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English: Comparison between male specimens of the closely related damselflies Erythromma najas (Red-eyed Damselfly; top) and Erythromma viridulum (Small Red-eyed Damselfly; bottom). Notice the petty different distribution in the blue markings. Location (the same habitat): North-eastern Lower Saxony, Germany.
Deutsch: Direkter Vergleich zweier Männchen der sehr ähnlichen Arten Großes Granatauge (Erythromma najas; oben) und Kleines Granatauge (Erythromma viridulum; unten). Beachte die unterschiedliche Verteilung der Blaufärbung am Hinterleibsende sowie am Ansatz des Abdomens. Beide Aufnahmen entstanden im Abstand von wenigen Minuten am selben Gewässer. Zu dem Zeitpunkt fand gerade ein Massenschlüpfen von Granataugen (vermutlich mehrheitlich von E. viridulum) auf treibenden Grünalgenwatten und anderer submerser bis flutender Vegetation (vor allem Armleuchteralgen, aber auch Kleinlaichkräuter und Raues Hornblatt) statt. Die abgebildeten Tiere sind aber bereits ausgefärbte Exemplare. |
| Date | |
| Source | Own work; collage of 2 pictures. |
| Author | Christian Fischer |
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Attribution: Christian Fischer
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:20, 5 July 2009 | | 2,136 × 2,484 (832 KB) | Fice (talk | contribs) | {{Information| |Description= '''''English:''''' Comparison between male specimens of the closely related damselflies '''''Erythromma najas''''' (top) and '''''Erythromma viridulum''''' (bottom). '''''Deutsch:''''' Direkter Vergleich zweier Männc |
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