Abstract
A SHORT time ago a cinema picture of the giant horntail borer (Sirex noctilio) and its parasite (Rhyssa persuasoria) was shown in the theatres of New Zealand. This picture was of especial interest to the Dominion, since it was upon the researches into the biology of these insects in England on behalf of the Cawthron Institute, Nelson, that the picture was based. Owing to the widespread establishment of Sirex in the exotic coniferous forests, particularly of Pinus radiata, in New Zealand, Sir Guy Marshall, of the Imperial Institute of Entomology, was approached by Dr. D. Miller, and as a result, the former arranged with Dr. Thomspon, of the Empire Marketing Board's Parasite Laboratory at Farnham Royal, for a study to be made of the parasite Rhyssa in order that supplies might be secured and sent to New Zealand. This has been done and the parasite liberated in its new environment. The actual life-history studies on Rhyssa were undertaken by Dr. Chrystal, of the School of Forestry at Oxford, where the picture was made. It is work of this nature, especially when presented to the public in picture form, that forcibly demonstrates how dependent the overseas Empire States are upon the assistance of such institutions as the Imperial Institute of Entomology and the Farnham Royal Parasite Laboratory.
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The Giant Horntail Borer. Nature 130, 576 (1932). https://doi.org/10.1038/130576a0
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DOI: https://doi.org/10.1038/130576a0
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