Liberia declares emergency after hordes of ravenous caterpillars infest country . Tens of millions of the worm-like larvae have appeared in northern areas . `` This is indeed a crisis , '' the president said Monday . The insects are eating away at trees and crops, causing widespread damage to agriculture.
Liberia declares emergency after hordes of ravenous caterpillars infest country . Tens of millions of the worm-like larvae have appeared in northern areas . The insects are eating away at trees and crops, causing widespread damage to agriculture.