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Sunday, August 1, 2010

Giraffe Weevil building nest/laying egg

This is how a female giraffe weevil/long-necked beetle (Paracycnotrachelus sp) builds a nest and lays egg on its host plant,  Bridelia tomentosa plant. The female giraffe weevil/long necked beetle spends about one hour to complete building her nest and lay egg inside the cradle.

All the images here were taken with a Nikon D80 and a Tamron SP90
The Bridelia tomentosa host plant is quite common in the urban area and wherever you find this plant, you'll most likely find the giraffe weevils/long necked beetles (Paracycnotrachelus sp) too.

1. first she inspects the leaves to find a good one
female giraffe weevil building nest and laying egg on host plant Bridelia tomentosa DSC_5944 web

2. she spends quite a while inspecting that white thingy :)
female giraffe weevil inspecting Bridelia tomentosa host plant before building nest and laying egg DSC_5945 web

3. a worm...surely not her baby. Will it harm her baby later?
female giraffe weevil building nest and laying egg DSC_5947 web

4. she went into the half rolled leaf and spend a long while in there, presumably to lay egg?
female giraffe weevil building nest and laying egg DSC_5950 web

5. she came out and started rolling the leaf again
female giraffe weevil building nest and laying egg DSC_5971 web

6. rolling....rolling...
female giraffe weevil building nest and laying egg DSC_5973 web

7. she keeps on rolling
female giraffe weevil building nest and laying egg DSC_5976 web

8. still rolling
female giraffe weevil building nest and laying egg DSC_5979 web

9. almost done!
female giraffe weevil building nest and laying egg DSC_5984 web

10. she now severes the center vein
female giraffe weevil building nest and laying egg DSC_5986 web

11. now the whole thing with her egg inside was like hanging by a thread!!!
female giraffe weevil building nest and laying egg DSC_5987 web

12. all done, now she can just sit back, relax, and munch on some delicious leaves
female giraffe weevil building nest and laying egg DSC_5988 web

As mentioned in #11, the whole nest was like hanging by a thread. I suspected that she was an inexperienced mother, at least that was what i thought at that time. My suspicion was confirmed the following day. The nest was gone. Must have dropped due to the heavy rain and wind.

I personally find that great books such as The Smaller Majority and great DVDs such as Life in the Undergrowth have benefited me tremendously.

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