In the early 1900s, prickly pear spread over 20 million hectares in Queensland, threatening ecosystems with its rapid growth of 1,000 hectares daily
An introduced cactus became an environmental disaster across Australia's landscapes. Governments tried many measures, but nothing effectively stopped the prickly pear's spread. Scientists then introduced a South American moth, Cactoblastis cactorum, as a biological control agent. This moth's larvae destroyed the invasive cactus, returning millions of hectares of land. The…
The Times of India ·