Diplolepis lens Weld, 1952

Feeds on: Induces galls on Rosa nutkana C. Presl

Distribution: United States: California, Oregon, Washington

Diplolepis lens Weld.

Rosa sp.
Leaf galls
Fig 199. A lentil-shaped thickening in parenchyma of leaf in fall, dia up to 3.2 mm, on Rosa nutkana. Corvallis OR

Fig 199. On Rosa nutkana. A lens-shaped thickening of the parenchyma of the leaf like the figure which is of rosaefolii (Ckll.), an eastern species. The type galls collected at Corvallis, Oreg. in October gave adults June 7-14.

Diplolepis lens, new species

Host.—Rosa nutkana

Gall.— A lentil-shaped thickening, up to 3.2 mm. in diameter by 1.7 mm. thick, in the parenchyma of the leaf in the fall. Single or several on a leaf. Similar to the gall of D. rosae Cockerell in the eastern United States.