Abstract
A campaign to eradicate the screwworm, a major pest of livestock in Texas, has cost 50 million a year. But the claimed success of the programme can be explained by natural variation and new outbreaks may well occur when climatic conditions again favour the pest.
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Readshaw, J. Familiar Sights in fresh relief. Nature 320, 467–469 (1986). https://doi.org/10.1038/320467a0
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DOI: https://doi.org/10.1038/320467a0
