How Australia Fought The Prickly Pear Infestation
A property in Chinchilla, Queensland, Australia, infested with prickly pear in 1928. Cochineal insects were crushed to produce one of the brightest red dyes in the world. Spain quickly established a monopoly on the distribution of the dye in Europe. During the colonial period it became Mexicos second most valuable export after silver. Prickly pear hedges on the property at Gracemere, Queensland, ca. It is believed that the flood of 1893 spread seed and plant parts to many new areas....