species 2,351 observations
Alder Erineum Mite
Acalitus brevitarsus
Field notes
Acalitus brevitarsus is an eriophyid mite which induces domed, blister like swellings, known as galls, on some species of alder (Alnus species).
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5
native plants
support it in the US
support it in the US
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided