''Aceria nervisequa'' is a species of mite that belongs to the family

Eriophyidae Eriophyidae is a family of more than 200 genera of mites, which live as plant parasites, commonly causing galls or other damage to the plant tissues and hence known as gall mites. About 3,600 species have been described, but this is probably l ...

. It is found in Europe and was first described by Giovanni Canestrini in 1891. The mite causes galls on the leaves of beech ('' Fagus'' species),

Description of the gall

''Aceria nervisequa'' causes felt-like galls (erinea) on the underside of the leaves of European beech ('' Fagus sylvatica''), copper beech) (''Fagus sylvatica purpurea'') and Crimean beech ('' Fagus x taurica''). The erinea are white at first, turning pink and than brown by the autumn while on copper beech the erinea are pink, bright crimson or purple. The mites also cause erinea along the veins on the upper side of the leaf which were initially thought to be a separate species; known as ''Aceria faginea''. The mites spend the winter in bark crevices or in buds. Aceria

Inquilines

''Aceria maculifer'' may be an inquiline of ''A. nervisequa''. ;Note

Distribution

Found in Europe, including Bosnia and Herzegovina, Croatia, Czech Republic, Denmark, France, Germany, Great Britain (common), Ireland, Italy, Kosovo,

Latvia Latvia ( or ; lv, Latvija ; ltg, Latveja; liv, Leţmō), officially the Republic of Latvia ( lv, Latvijas Republika, links=no, ltg, Latvejas Republika, links=no, liv, Leţmō Vabāmō, links=no), is a country in the Baltic region of ...

, Luxembourg, Montenegro, Netherlands, North Macedonia, Poland and Serbia.

References

Eriophyidae Animals described in 1891 Arachnids of Europe Galls Taxa named by Giovanni Canestrini {{Trombidiformes-stub