Parasites to be let loose in North Is.
PA Wellington The Department of Scientific and Industrial Research plans to set loose about 50,000 waspeating parasites in the North Island this winter. It will send about 300 booklets to local bodies and groups such as the Beekeepers’ Association and forestry companies within the next few weeks to enlist their support. A D.S.I.R. scientist at Lincoln, Mr Barry Donovan, said that so far his department had bred about 25,000 parasites. The parasites attacked ” the German and common
wasps as they were developing in nests, he said. Mr Donovan said the parasites would be liberated as cocoons in wooden boxes, where the wasps were most prolific. The parasites would emerge in spring, when queen wasps were beginning to build nests. The midge-like parasites would also be unleashed in the next two winters. ; The D.S.I.R. let loose about 30,000 parasites in the South Island last year but Mr Donovan said it was too early, to say if they had been effective.
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Press, 18 March 1988, Page 30
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167Parasites to be let loose in North Is. Press, 18 March 1988, Page 30
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