description Gomphus graslinii Overview
Gomphus graslinii is a clubtail dragonfly species endemic to southwestern France, where it inhabits slow-moving rivers and streams. First described by Belgian entomologist Edmond de Sélys Longchamps in 1842, the species was named after French entomologist Auguste de Graslin. The dragonfly reaches approximately 50-55 millimeters in length with a yellowish-green thorax featuring dark brown markings. Listed in Annexes II and IV of the European Union's Habitats Directive, the species has experienced population decline due to habitat loss and water pollution.
help Gomphus graslinii FAQ
Where is the Gomphus graslinii dragonfly located?
This clubtail dragonfly species is endemic to southwestern France. It specifically inhabits the slow-moving rivers and streams found in that geographic region. It is not naturally found anywhere else in the world.
Who discovered and named the Gomphus graslinii species?
The species was first described by the Belgian entomologist Edmond de Sélys Longchamps in 1842. He named the dragonfly in honor of his French colleague, entomologist Auguste de Graslin. Sélys Longchamps is widely considered the founding father of modern odonatology.
What type of water bodies does Gomphus graslinii prefer?
Unlike some dragonflies that prefer still ponds, this species requires slow-moving rivers and streams. These freshwater habitats are crucial for the nymphs to develop before emerging as adults. The water quality in these French waterways is essential to their survival.
What is the defining characteristic of the Gomphus graslinii dragonfly?
It is a clubtail dragonfly, which means the end of its abdomen is typically thicker and club-like in appearance. This physical trait is a common feature among dragonflies within the Gomphus genus. Their eyes are also widely separated, distinguishing them from other dragonfly families.
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