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Eucalypt gall research

Scion is the leading provider of forest-related knowledge in New Zealand
Formerly known as the Forest Research Institute, Scion has been a leader in research relating to forest health for over 50 years. The Rotorua-based Crown Research Institute continues to provide science that will protect all forests from damage caused by insect pests, pathogens and weeds. The information presented below arises from these research activities.

From Forest Health News No. 49, February 1996.

In FHNews 37 (Dec 1994) we reported that Patrick Walsh had gone to Australia to search for a parasitoid of Ophelimus sp. that causes galls on Eucalyptus saligna and E.botryoides. A parasitoid was identified during that trip and Patrick spent some time in mid 1995 with the Research Division at Cumberland State Forest in the Sydney area. At that time more of the parasitoid was found in the field and a survey showed that in one area 60% of new galls contained the parasitoid. The parasitised galls on E.botryoides are being grown in the insectary at NSW Research Division and a import license has been applied for for the rearing and testing of the of it at NZ FRI.

GeoffRidley, NZ FRI

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(Scion is the trading name of the New Zealand Forest Research Institute Limited.)


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