Emperor dragonfly
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| Emperor dragonfly |
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| Scientific Classification |
| Binomial Name |
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Anax imperator |
| Image Description |
Contents |
Introduction
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Anatomy
In males the Emperor Dragonfly can be distinguished between the female is the green thorax with a black stripe on dorsal side over the bright blue abdomen. In females both the thorax and abdomen share the color green. (http://www.absoluteastronomy.com/topics/Emperor_(dragonfly)#encyclopedia) In warm weather only the females abdomen can change to a blue as well making it harder to differentiate male from female. Both males and females share either green or blue eyes and ranking in as the largest dragonfly in Britain. (http://www.dragonflysoc.org.uk/animp.html) Being one of the largest dragonflies the adult can grow up to three inches and the larvae two inches. Their wingspan growing up to four inches with a pair of two wings beats ten times slower than bees. (http://ladywildlife.com/animals/emperordragonfly.html)
Reproduction
Females have an organ called ovipositor where eggs are deposited. Larvae are usually lived underwater until matured into an adult. The mother, for protection, slits open pondweed as she places them in their so fish and other pond life can’t eat them. Dragonflies’ mating is usually spent in branches around their pond but can persist in the air. Males attract females by following her until he is capable of performing sexual intercourse. (http://ladywildlife.com/animals/emperordragonfly.html) For females during mating season they come to the pond to find a mate and if a male is successful it will introduce sperm and will impregnate the female. (http://www.allsands.com/Science/emperordragonfl_btk_gn.htm)
Ecology
Other
Gallery
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References
- Emperor dragonfly (Anax imperator) by ARKive
- reference title author, publisher, date.
- reference title author, publisher, date.
External links
- The Emperor Dragonfly by AllSands.
- The Emperor Dragonfly by Absolute Astronomy, 2009.
- The Emperor Dragonfly by BDS.
- The Emperor Dragonfly by Ladywildlife
- reference title author, publisher, date.
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