23/10/2026
๐ต History in Agriculture ๐ต
One tiny insect helped solve one of Australiaโs biggest agricultural challenges.
By the mid-1920s, prickly pear had spread across around 24 million hectares of Australian farming and grazing land. In 1926, larvae of the Argentinian moth Cactoblastis cactorum were released as a biological control. Within a decade, vast infestations had been brought under control, reclaiming millions of hectares for productive agriculture.
One of the greatest biological control success stories in Australian farming history.๐พ
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