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China releases 600 million wasps to combat moths

August 11, 2011 Comments off

physorg

Chinese forestry officials have released some 600 million parasitic insects into the north China city of Baoding to combat the spread of the American White Moth that has been (in their caterpillar stage) eating the leaves off of forest and domestic orchard trees, as well as some farm crops. This is the fifth year in a row that Chinese officials have released wasps hoping to reduce the damage caused by the moths.

The American White Moth, known in the U.S. as the Fall Webworm, (though some call them “forest locusts”) creates, during its larval stage, the familiar webbed nests seen on hardwood tree limbs all across the country. It is one of the few insects that have migrated from North America to other parts of the world. The Fall Webworm doesn’t generally harm the trees where it lives, though it does reduce the amount of leaves on them, which isn’t considered all that much of a problem until it moves to Read more…