Controlling Leaf Miners
If you're growing chard, spinach or other leafy greens in Seattle this month, you may be seeing widening lines of twirling damage running through your crops. Fall and Spring seem to be the season for the leafminer to go crazy on our food crops. And, they’re tough to remedy.
Leaf miners are small maggot creatures that live in the mid-tissue layer of plant leaves. They "mine" out the nutrients in a rapidly-widening path that skeletonizes plant leaves. If you break open the remaining layers of the leaves, you may find a tiny maggot wiggling around in its speckled black poop. You may find that the worm has turned into a pupae or the pupae has hatched and flown away.
How to get rid of them?
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