Wild Wonders of Europe / Maitland / Club-tailed dragonfly (Gomphus vulgatissimus) silhouetted on grass seeds, Lagadin region, Lake Ohrid, Galicica National Park, Macedonia, June 2009

Wild Wonders of Europe / Möllers / Male Yellow clubtail dragonfly (Gomphus simillimus) resting on stone, Allier river, Pont-du-Chateau, Auvergne, France, August 2010

John Abbott / Gulf Coast clubtail dragonfly (Gomphus modestus) male resting with tail in the air, Louisiana, USA, June

John Abbott / Ashy clubtail dragonfly (Gomphus lividus) pair mating, Angelina National Forest, Jasper, Texas, USA, March

John Abbott / Gulf Coast clubtail dragonfly (Gomphus modestus) male resting with tail in the air, Louisiana, USA, June

John Abbott / Banner club tailed dragonfly (Gomphus apomyius) male resting, Indian Creek, Jasper County, Texas, USA, April

John Abbott / Oklahoma Clubtail dragonfly (Gomphus oklahomensis) male at rest, Sam Houston National Forest, Texas, USA, April

Robert Thompson / Club-tailed dragonfly (Gomphus vulgatissimus) male, on plant stem, Gloucestershire, UK

Robert Thompson / Club-tailed dragonfly (Gomphus vulgatissimus) male, on unfurling fern frond, Gloucestershire, UK

Philippe Clement / Common club-tail / Club-tailed dragonfly (Gomphus vulgatissimus) feeding on dragonfly prey, La Brenne, France

David Welling / Female Sulphur-tipped Clubtail (Gomphus militaris) perched on plant, Southeast Metropolitan Park, Travis County, Texas, USA

Hans Christoph Kappel / Club tailed dragonfly (Gomphus vulgatissimus) female on grasses, Germany

Hans Christoph Kappel / Yellow legged club tailed dragonfly {Gomphus flavipes} male resting on blade of grass, Germany

Hans Christoph Kappel / Club tailed dragonfly {Gomphus vulgatissimus} Germany

Hans Christoph Kappel / Yellow legged club tailed dragonfly {Gomphus flvipes} mating, Germany

Thomas Marent / Club-tailed Dragonfly (Gomphus vulgatissimus), Switzerland

Hans Christoph Kappel / Yellow club tailed dragonfly, male (Gomphus simillimus) France

Hans Christoph Kappel / Club tailed dragonfly, female (Gomphus vulgatissimus) Germany

Hans Christoph Kappel / Yellow legged club tailed dragonfly (Gomphus flavipes) Germany

Hans Christoph Kappel / Yellow legged club tailed dragonflies mating (Gomphus flavipes) Germany

Michael Durham / Pacific Clubtail (Gomphus kurilis) dragonfly, photographed with a high-speed camera, coastal mountains, Oregon

Steve Knell / Club tailed dragonfly, male basking {Gomphus vulgatissimus} UK

Hans Christoph Kappel / Yellow club tailed dragonfly (Gomphus simillimus), male. France, Europe

Philippe Clement / Club tailed dragonfly {Gomphus pulchellus} Belgium