RAGWORT DESTROYER
NEW MOTH RELEASED TRIAL AT NELSON In his report to the last meeting of the Council of Scientific and Industrial Research, the acting-chair-man, Mr. Q. Donald, referred to the release of a new moth which attacks ragwort. “After further trials,” said Mr. Donald, “it was decided that a restricted permit only should be issued for the release of the ragwort moth (Tyria Jacobaeae). It was considered necessary to take the utmost precautions regarding all insects released, so this moth was placed out on ragwort areas in the immediate vicinity of the Cawtliron Institute only. In the event of Its ultimate safety being thoroughly proved, a large supply of insects will be available for more extended release next season. “It is hoped that the outbreak of wilting disease which has appeared, probably as a result of the restriction of the moths to a confined feeding area, will not seriously diminish the number which will survive the winter and be available for release, if such a course is decided upon at a later date.
“Applications to the council for its attention to a number of other noxious weeds and entomological problems have been received, and it appears advisable that something should be done to place all entomological work in the Dominion upon an organised co-operative basis.”
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Bibliographic details
Sun (Auckland), Volume II, Issue 335, 21 April 1928, Page 5
Word Count
216RAGWORT DESTROYER Sun (Auckland), Volume II, Issue 335, 21 April 1928, Page 5
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