Dasineura trifolii
Leaflet folded and swollen along midvein.
Several generations occur per year.
This species originated in Europe and was recognized in North America in 1879.
Hosts: T. pratense, T. repens
Distr: Massachusetts to Maryland, west to Nebraska; Europe.
”- Raymond J. Gagne: (1989) The plant-feeding gall midges of North America©