Putting this post together made me itchy.
I've been thinking about wasps lately. It's just about time for them to make their annual assault on my backyard. The dog has been stung several times on his face. I'm not into spraying or killing bugs at all, and I could not figure out what they were attracted to in the yard. (We've got a lot of flowers, no fruit trees, but the flowers could do it.) I found a good solution to this problem in a fake paper wasps nest that I hang outside, on my porch, in the spring time. Apparently wasps are intensely territorial, so having something that looks like a nest in your yard will keep them away.
The more I learn and understand about social, colony-dwelling insects, the more I think they are great models for alien societies in speculative fiction. Their behaviour is single-minded yet complex. Their capacity for interacting with their environment and with other species is positively mind-blowing.
(The second video is super, super gross, by the way.)
ETA: More details on the virus that the wasp injects along with its larvae in this New Scientist article. It seems the wasps are hijacking two separate live forms - the caterpillar and the virus - in order to pull off this parasitic stunt that is so vital to their reproductive cycle. Amazing.