Oak-Apple Gall

Interesting Oak Leaf Insect Galls

I came across a number of interesting oak leaf insect galls during hikes this week in several local parks. Oaks are prime gall-fodder providing support for over 800 different types of galls. It's why I find oaks so interesting. Three-quarters of the gall-makers belong to two families: the wasp family Cynipidae; and the "gall midge" family Cecidomyiidae (cecido means "gall").
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Authors
Joe Boggs