Eriophyid

Felt-like eriophyid mite erineum patches are now very obvious on American beech (Fagus grandifolia) in southwest Ohio. I've long identified the culprit behind the patches as Acalitus fagerinea (family Eriophyidae). However, I'm now convinced there may be two species of eriophyids that produce erineum patches on American beech.

Tufted flower parts that rise rosette-like from coneflower cones are produced by the Coneflower Rosette Mite.   The mite is an eriophyid (family Eriophyidae) that has yet to be taxonomically categorized, so it has no scientific name or approved common name.  However, the mite is generally referred to as the Coneflower Rosette Mite based on the damage that it causes to coneflowers.

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