Certainly horsehair worms (Nematomorpha), having infected crickets, will control the host. The cricket "commits suicide" by drowning, enabling the parasitic worm to move on to the next stage in its life cycle.
It could be the wasp Ampulex compressa, which is able to control the movements of its prey, a cockroach, first by injecting neurotoxins in its brain and then by moving its antennae.
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Certainly horsehair worms (Nematomorpha), having infected crickets, will control the host. The cricket "commits suicide" by drowning, enabling the parasitic worm to move on to the next stage in its life cycle.
It could be the wasp Ampulex compressa, which is able to control the movements of its prey, a cockroach, first by injecting neurotoxins in its brain and then by moving its antennae.
There's a plethora of them though:
http://www.boxvalley.co.uk/nature/sns/wad71/w71-09...
Goa'uld