Colony collapse disorder has killed millions of bees . Although worker bees in colony collapse disorder vanish , bees infected with IAPV die close to the hive , after developing shivering wings and paralysis . Scientists suspect a virus may combine with other factors to collapse colonies . Disorder first cropped up in each year , as bees were imported from U.S. . $ 15 billion in Australia crops 2004 dependent on bees for pollination .
Colony collapse disorder has killed millions of bees . Scientists suspect a virus may combine with other factors to collapse colonies . Disorder first cropped up in each year , as bees were imported from U.S. . $ 15 billion in Australia crops 2004 dependent on bees for pollination .