Key Identification Features
- Pagenstecher in 1857, induces distinct galls on the leaves of Tilia species, commonly called lime trees.
- Acalitus stenaspis (Nalepa, 1891) induces three distinct types of galls on beech trees.
- Larvae are smaller than adult mites, can be identified by their humpback shape, and have no external genitalia.
- The species has spread globally and has three distinct strains: one that causes leaf curling, one that causes blisters, and one that stunts bud growth.
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