DESTRUCTION OF WHITE BUTTERFLIES
VALUE OF PARASITES DISCUSSED
(.PRESS ASSOCIATION TELEGRAM.) PALMERSTON N., July 2. The opinion that cruciferous (cabbage family) crops, of which there are 600,000 acres in New Zealand, could not now be grown were it not for the work of the white butterfly parasites, was expressed by Mr J. Muggeridge. entomologist at the Plant Research Bureau, in a review of activities since the introduction of the parasite a few years ago.
The monetary value of the parasite could not'be estimated, Mr Muggeridge said.
The butterfly was better able to survive wet weather than the parasite, this being the reason for what appeared to be an increase in the number of butterflies after a wet season. As soon as dry weather returned, destruction by the parasite began to increase.
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Bibliographic details
Press, Volume LXXIII, Issue 22135, 3 July 1937, Page 8
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131DESTRUCTION OF WHITE BUTTERFLIES Press, Volume LXXIII, Issue 22135, 3 July 1937, Page 8
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