Behavioral Manipulation by a Parasite

I almost drank one of these things once (accidentally):

More like this

I'd stay away from the Washington Ave. bridge until I was sure... Fascinating and very creepy at the same time. I could see where this would really change the way we think about malaria vectors.

Daniel Dennett often uses a similar example in talks he gives; a parasite (can't remember the name right now) that causes ants to climb to the top of blades of grass or other plants that make them more likely to end up in the stomach of a sheep /cow or other ruminant where the parasite then reproduces.

By Christopher (not verified) on 28 Nov 2007 #permalink

finally! an airtight excuse that can explain away nearly any lapse in judgement that i might be called out on.

woah! that was a close one. i know of a parasite Microphalllus which controls the behavior of its snail host Potamopyrgus antipodarumand another, Blatillaria i guess which manipulates the behavior of another snail. articles are at http://scipdf.blogspot.com