Source: Nick Upton's Royalty Free Photos |
In order to attract a mate, each male will try to set up their own territory. The perfect territory would consists of a plant surrounded by underwater weeds. The male damselfly then stands on the plant, hoping to impress passing females with the quality of underwater weeds which are vital for her to lay her eggs. However, since there isn't many territories up for grabs, they attract other males. The defender takes off, flashing his colourful wings (and they come in a range of different colours) at the intruder like flags to warn him off. If the intruder doesn't leave, they will wrestle in mid air, trying to push the other into the water and drowning is common.
However, when a female approaches, the defending male will fly around her, beating his wings up to 50 times a second, which is three times faster than usual. This is a display of his strength, which allows the female to determine whether he is a worthy mate. If she deems him worthy, she flutters her wings and they fly off into dense vegetation to mate.
Watch this video. It shows how the male damselfly attracts the female and then the method of mating.
When they mate, they form a heart shape (as seen below) as the male holds the back of the females head with claspers on his abdomen and the female bends the tip of her abdomen to pick up the sperm packet on the base of his body. However, before she is able to pick up the sperm, the male scrapes at her abdomen in order to remove any old sperm from previous matings. They may also be intruded by marauding males, who attack the male, ripping bits of his wings or legs off, in order to get him away from the female.
Source: Nick Upton's Royalty Free Photos |
And if you have made it to this point of the blog, CONGRATULATIONS! And sorry for the amount of writing but, I still found these damselflies quite interesting so I had to share. :)
All the information on this blog is from the book "Life: Extraordinary animals, extreme behaviour" which accompanies the BBC Life series. This book pretty much inspired me to start this blog and to share the amazing feats and behaviours of animals and plants alike. Nature truly amazes me and is my passion.
And to finish off, I will add a video with photos of cute baby animals. Enjoy!
3 comments:
Oh very interesting! Although I had to down my food for 5 mins when you talked about mating :S
Interesting read. Damselfies are awesome, Odonata (the order dragonflies and damselflies belong to) would have to be some of the prettiest animals. Demoiselles which is the common name for the family of your first photo only have one species in Australia. Coenagrionidae which I pretty sure is the name of the family the second photo belongs too are pretty common, we have heaps in our dam. I can't wait to I get my SLR and a few good lenses.
Thankyou :) Yes dragonflies and damselflies can be such beautiful animals. I recently saw a photo of a Coral-tailed Cloud Wing- dragonfly, you should look it up if you haven't heard of it. It has amazing colours and it's wings are coloured in a way I've never seen before on any other dragonfly. I have seen some Coenagrionidae damselflies around the lake near my house too.
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