https://news.nationalgeographic.com/content/dam/news/2018/02/08/wasp-venom/01-wasp-venom-NationalGeographic_2180865.adapt.1190.1.jpg
>The emerald cockroach wasp stings the cockroach in the brain in order to inject a specialized venom that takes control of the cockroach's decision making processes. 
...When looking for a host, one of these parasitic wasps will start by stinging the midsection of a roach, and their toxic venom will paralyze the animal's front legs for five minutes.   With a secondary strike, the wasp will go directly for the brain, where the sting will induce an intense 30-minute period of vigorous grooming. 

[NewsUrl: The Mind-controlling Molecules of Wasp Venom Could Help Future Parkinson's Research](https://news.nationalgeographic.com/2018/02/parasitic-wasps-parkinsons-future-research-spd/)