The state Department of Environmental Conservation is warning the public about a potential invasion of the elm zigzag sawfly. The insects are native to China and Japan and are named for the patterns they eat into the leaves of elm trees. tvjessi reports.
-- The state Department of Environmental Conservation is warning the public about a potential invasion of the elm zigzag sawfly.
NYC Parks said in a statement:"As requested by the New York State Department of Environmental Conservation, we are currently monitoring for the elm zigzag sawfly, and will be reporting any sightings to them." In the adult stage, the elm zigzag sawfly looks similar to a more familiar fly. The larvae feed on the leaves of elm trees, munching their namesake zigzag pattern across the jagged green surfaces. After the buffet, the larvae create cocoons before transforming and flying away.
Combined with the already present Dutch elm disease brought by beetles, the sawfly larvae's insatiable appetite for leaves can kill entire trees, destabilize forest areas and eliminate a food source for other insects, the effects of which Europe is already seeing.
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