earlier development? or something else?
This is a picture of Diaspidiotus liquidambaris on a Sweetgum at the Avalon Area of Patapsco Valley State Park in Howard County, Maryland.
This is a picture of Diaspidiotus liquidambaris on a sweetgum at the Glen Artney Area of Patapsco Valley State Park in Catonsville, Maryland.
Host plant: Helianthus tuberosus (Jerusalem Artichoke)