Ran across this and made me think.. Maybe I should go into my garage and other areas more often, lol.
http://www.dailymail.co.uk/news/article-2735616/Talk-bed-bugs-Huge-wasp-nest-containing-5-000-insects-discovered-shocked-son-mother-s-spare-room.html
I found one in the loft a few years ago, it was massive but very intricate and almost beautiful. Pity I had to have it removed.
Well, I just found two small nests in my boat. Buggers. Going to have to buy bee killer spray now