Hungerford, H.B., & Dean, G.A. 1929 Control of the European elm scale (Gossyparia spuria Modeer).. Circular (Kansas Entomological Commission) No. 9: 3-8.

Notes: History, distribution, life history, description of damage, and methods of control; hosts include Ulmus americana, U. fulva, U. racemosa, U. scabra and U. campestris.