Aceria dispar (Nalepa), 1891

Phytoptus dispar Nalepa, 1891a: 162 .

Phytoptus dispar Nalepa, 1891b: 872, pl. 2.

Aceria dispar (Nalepa); Amrine & Stasny, 1994: 42. Aceria dispar (Nalepa); Hong & Zhang, 1996: 20.

Host. Populus tomentosa Carr.; P. tremula L. ( Salicaceae).

Relation to host. The mites cause the leaf rolling, vagrant on the leaf undersurface. Distribution. China (Beijing, Gansu, Hebei, Henan, Shaanxi, Shandong, Tianjin, Xinjiang); Austria; Europe; East Palearctic; Nearctic region; Oriental region.