Myzocallis annulata (Harttig) -- Aphididae
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Oak aphid is a pest of exotic oaks, Quercus spp. in Victoria and Tasmania, Australia. The parasitoid Aphelinus flavus (Nees) was imported from England and released in 1939. The parasitoid began to be recovered shortly after, and as parasitism increased in Tasmania, Wilson (1960) reported that the health of oak trees gradually improved (also see Dahlsten & Hall 1999).
REFERENCES: [Additional references may be found at: MELVYL Library ]
Bellows, T. S. & T. W. Fisher (eds.). 1999. Handbook of Biological Control: Principles and Applications. Academic Press, San Diego, New York. 1046 p.
Dahlsten, D. L. & R. W. Hall. 1999. Biological control of insects in outdoor urban environments. In: Bellows, T. S. & T. W. Fisher (eds.), Handbook of Biological Control: Principles and Applications. Academic Press, San Diego, New York. 1046 p.
Wilson, F. 1960. A review of the biological control of insects and weeds in Australia and Australian New Guinea. Commonwealth Institute of Biological Control, Tech. Comm. No. 1: 102 p.