calconey 的鑑定

This is a picture of Macrodiplosis majalis at Tuckahoe State Park in Caroline County, Maryland.

This is a picture of Aceria triplacis on an oak leaf at Wheaton Regional Park in Wheaton, Maryland.

This is a picture of Eriophyes laevis on an alder at Wheaton Regional Park in Wheaton, Maryland.

This is a picture of a Hamamelistes spinosus on a birch leaf on the South Tract of the Patuxent Research Refuge near Laurel, Maryland.

This is a picture of Rose rosette emaravirus on a Multiflora Rose at Foxhall Park in Bowie, Maryland.

This is a picture of Rose rosette emaravirus on Multiflora Rose on the North Tract of the Patuxent Research Refuge near Fort Meade, Maryland.

This is a picture of Rose rosette emaravirus on a multiflora rose at White Marsh Park in Centreville, Maryland.

On Rosa multiflora

This is a picture of Aceria caulis on a black walnut at Tuckahoe State Park in Queen Anne's County, Maryland.