Askari, A., & Coppel, H.C. 1976 A preliminary list of the parasitoids of the European fruit lecanium, Lecanium corni Bouché (Hemiptera: Coccidae) on prickly-ash Wisconsin.. Forestry Research Notes (University of Wisconsin, Madison) No. 197: 1-5.
Notes: This is a commonly found sucking insect on Xanthoxylum americanum in Wisconsin woodlots. It is cosmopolitan in distribution and often is a serious pest of fruit and forest trees. Four parasite species are discussed.