Rhyncaphytoptus ulmivagrans Keifer, 1939 a

Rhyncaphytoptus ulmivagrans Keifer, 1939a: 420 .

Abacoptes platynus Keifer, 1939b: 491 .

Rhyncaphytoptus rugatus Liro, 1941: 45 –47.

Rhyncaphytoptus ulmivagrans Keifer; Keifer, 1944: 30. Abacoptes ulmivagrans (Keifer); Hassan & Keifer, 1978: 193. Rhyncaphytoptus ulmivagrans Keifer; Kuang, 1995: 158 –159. Rhyncaphytoptus ulmivagrans Keifer; Hong & Zhang, 1996: 80. Rhyncaphytoptus ulmivagrans Keifer; Amrine, et al., 2003: 164.

Host. Ulmus sp. ( Ulmaceae).

Relation to host. Vagrant on leaf undersurface, causing no apparent damage. Distribution. China (Gansu, Jiangsu, Shanghai, Xinjiang); Finland; Bulgaria, Denmark; Greece; Hungary; Poland; Portugal; Spain, Sweeden; Serbia; Australian region; East Palearctic; Nearctic region; Oriental region.