A brown marmorated stink bug. The bug caused millions of dollars in damages to crops in the mid-Atlantic region in 2011. (Matt Rourke / Associated Press)
In April officials in Madagascar counted 100 swarms of locusts totaling 500 billion insects. (Bilal Tarabey / AFP/Getty Images)
A glassy-winged sharpshooter rests on a leaf at Buena Biosystems in Santa Paula. In 1999, over 300 acres of grapevines in Riverside County were infested with the insect and ultimately destroyed. (Stephen Osman / Los Angeles Times)