Stem gall...
Slender, woody, tapered stem swelling...Neolasioptera sp.
Swellings were reportedly about 13 mm long (Felt 1940). The gall maker is unknown and is only tentatively placed in Neolasioptera. Host: Bidens sp. Distr.: New York.
”- Raymond J. Gagne: (1989) The plant-feeding gall midges of North America©