Fracker, S.B. 1924 Division of insect and plant disease control.. Biennial Report of the Wisconsin Department of Agriculture No. 69: 52-100.
Notes: Gossyparia spuria mentioned as pest of elm; also, San Jose scale.
Fracker, S.B. 1924 Division of insect and plant disease control.. Biennial Report of the Wisconsin Department of Agriculture No. 69: 52-100.
Notes: Gossyparia spuria mentioned as pest of elm; also, San Jose scale.