phyllocnistis citrella

The citrus leafminer is a very small, light coloured moth that arrived in California from Mexico in 2000 and has now spread throughout most of California. I’ve never seen an adult, but the larval action is very evident in my yard, especially on the young lime trees. They only infest fresh growth, which of course is just about all a little tree has!

I’ve been removing the affected leaves, but today I read that it’s not a good idea, because it just creates even more fresh growth for the larvae to mine. Apparently the insects will die off over the cooler months; here’s hoping, too, that natural predators come along to help create balance.

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