Kennett, C.E. 1988 Results of exploration for parasitoids of Citricola Scale, Coccus pseudomagnoliarum (Homoptera, Coccidae), in Japan and their introduction in California.. Kontyu 56(2): 455-457.

Notes: Abstract: Pest of citrus, especially Poncirus trifoliata, in California during early 1900's; early attempts made to introduce parasitoids failed; later found on Celtis sinensis var. japonica & Zelkova serrata; host for Microterys orientalis, M. okitsuensis & Coccophagus ishii. Keywords: biological control.