Thread subject: Diptera.info :: Fly bubble blowing
Posted by Kahis on 27-11-2005 21:21
My take: it's a defensive move. At least grasshoppers and some sawfly larvae use regurgitated food as a weapon. They try to spread the sticky, noxious liquid over the attacker. Flies to often regurgitate when caught or disturbed, which makes me think they may be using a similar defensive strategy.
Edited by Kahis on 27-11-2005 21:21