Howard, L.O. 1919 On the Hymenopterous parasites of Kermes.. Entomological News 30: 255-258.

Notes: Kermes host species include K. galliformis, K. essigii, K. pubescens, K. miyasakii, K. nigropunctatus, K. acaciae and K. quercus; plant hosts; this article followed by "Appended Note" by Harold Morrison giving probable identity of some additional scale hosts.