Cecidomyia ulmii sp. nov.
Gall.--This is made by folding and growing together of the small, immature, terminal leaves or leaf-buds of the American elm (Ulmus americana), causing them to swell into galls.
Habitat: NY
The gall may be found during June and July. The imago emerges during the same months.
”- William Beutenmuller: (1907) New species of gall-producing cecidomyidae©