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Site Help: Help ID this bug

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July 8, 2012
9:22 AM

Post #9197731

I love taking photos to the bugs. I found this little one, with an out of ordinary sexual behavior. He opens its abdomen and pulls out those white... horns(?). After the alluring of the female he pulls them back. Do they contain feromons? Is it the white that is appealing?
Who is he?
Thank you

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Churchill, Victoria
(Zone 10a)

July 8, 2012
3:01 PM

Post #9198034


That is fascinating and a great set of photos. I cannot identify your bug, except for saying it is a species of fly (Diptera). You can see in your photos that it only has one pair of wings a feature that is unique to the flies, the hind wings being modified to small balance organs known as halteres.

This forum is for questions relating to adding data to the BugFiles database.

We have a forum on Insect and Spider Identification here:
and if you post your question there, you may get some help,

If you have an image, you could attach it to the message you post for a better chance of getting an identification

BugFiles Administrator

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