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Gomphus graslinii

• English name: Pronged Clubtail
• German name: Französische Keiljungfer
• French name: Gomphe de Graslin
• Dutch name: Gevorkte rombout
• Swedish name: N/A
• Norwegian name: N/A
• Finnish name: N/A
• Danish name: N/A
• Italian name: N/A
• Czech name: N/A
• Slovenian name: N/A
• Bulgarian name: N/A

Gomphus graslinii

Distribution map Gomphus graslinii

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


General ➤ a medium-sized black-and yellow species which occurs only in Iberia and the South-West of France
Classification • suborder: Anisoptera (dragonflies); family: Gomphidae
Scientific name Gomphus graslinii Rambur, 1842
Distribution • click or tap the Map button above
Notes • gomphids are 'sitters': they spend a lot of time perched on rocks and vegetation
Habitat • slow-flowing rivers and streams with a sandy bottom
Dimensions • typical body length: 47-50 mm; hindwing: 27-30 mm
Both sexesHead➤ like in all other gomphids, the eyes are widely separated
 Thorax• the black lines on the side of the thorax are fairly thick
  ➤ the antehumeral stripe is very narrow
 Legs• the legs are black with yellow lines on the femura
MaleAbdomen➤ the upper appendages bear a large tooth on the side
Photographs • nearly all of our photos below were made in Andalusia in 2010 and 2015

Line DrawingLineDrawing: the male's head, thorax and abdomen in lateral view.

Gomphus graslinii; thorax, male
Note: By contrast, the antehumeral stripe in G. simillimus is roughly as wide as the black stripes above and below it.

Pronged Clubtail (Gomphus graslinii)
Male head, thorax and abdomen in lateral view
Drawing by Ruth Ilka Nüß
© 2013 Lehmann & Nüß and DragonflyPix.com

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

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Gomphus graslinii

1 / 20; PhotoID: Dr830 06/06/2015 12:24 Spain F8 1/60 180mm ISO400 Canon7D2 -Crop -Flash MF
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Gomphus graslinii

2 / 20; PhotoID: Dr831 11/06/2015 16:05 Spain F8 1/640 180mm ISO400 Canon7D2 -Crop -Flash MF
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3 / 20; PhotoID: Dr832 03/06/2010 10:11 Spain F8 1/350 180mm ISO200 Canon7D -Crop -Flash MF
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4 / 20; PhotoID: Dr833 13/06/2015 11:26 Spain F8 1/640 180mm ISO400 Canon7D2 -Crop -Flash MF
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Gomphus graslinii

5 / 20; PhotoID: Dr834 03/06/2010 10:21 Spain F5.6 1/1000 180mm ISO400 Canon7D -Crop -Flash MF
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Gomphus graslinii

6 / 20; PhotoID: Dr835 03/06/2010 10:34 Spain F5.6 1/1500 180mm ISO200 Canon7D -Crop -Flash MF
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Gomphus graslinii

7 / 20; PhotoID: Dr836 04/07/2011 17:00 Spain F8 1/640 180mm ISO200 Canon7D -Crop -Flash MF
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Gomphus graslinii

8 / 20; PhotoID: Dr837 06/06/2015 12:25 Spain F8 1/50 180mm ISO400 Canon7D2 -Crop -Flash MF
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9 / 20; PhotoID: Dr838 03/06/2010 10:35 Spain F8 1/750 180mm ISO200 Canon7D -Crop -Flash MF
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12 / 20; PhotoID: Dr1351 04/07/2011 17:00 Spain F8 1/400 180mm ISO200 Canon7D -Crop -Flash MF
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20 / 20; PhotoID: Dr1371 11/06/2015 16:57 Spain F8 1/500 180mm ISO400 Canon7D2 -Crop -Flash MF