Pestilence.

http://www.news-gazette.com/news/u_of_i/2009/09/22/bothersome_soybean_aphids_here_to_stay_for_now

According to the local rag, clouds of soybean aphids are attacking people whenever they walk or bike outside. The first killing frost cannot come soon enough . . .

Problem pests and problem biological controls: Ain't industrial agriculture great!?