Golden-ringed dragonfly
| Golden-ringed dragonfly | |
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| File:Cordulegaster.boltonii.adult.jpg | |
| Cordulegaster boltonii, male | |
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C. boltonii
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| Binomial name | |
| Cordulegaster boltonii (Donovan, 1807)
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The golden-ringed dragonfly (Cordulegaster boltonii) is a large, striking dragonfly and the longest British species,[1] the only one of its genus to be found in the United Kingdom.[2]
Identification
They are easily identified by their distinctive black and yellow stripes, which no other dragonfly in the United Kingdom has.[3] A very large species, males average 74 mm and the larger females 84 mm. Wingspan is up to 101 mm.[4]
Larvae
The female lays the eggs in shallow water. The hairy larvae live at the bottom of the water and are well camouflaged amongst the silt.[5] They emerge after about 2–5 years, and usually under the cover of darkness.
Behaviour
They are often seen flying leisurely over mountain streams or a river; they also occasionally show up at a pond. They are also typically seen flying over heath land. Their bright yellow and black stripes make them easy to identify, even from a fair distance away. They feed mainly on insects ranging from small prey such as midges to flies, butterflies and even bumblebees. This strikingly-coloured insect is incredibly aerobatic and they sometimes fly very high up into the sky.[6]
See also
External links
Media related to Lua error in package.lua at line 80: module 'strict' not found. at Wikimedia Commons
Data related to Cordulegaster boltonii at Wikispecies
References
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- ↑ http://www.arkive.org/golden-ringed-dragonfly/cordulegaster-boltonii/
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