Cochineal insects have proved very useful for the control of

Eicchornia Cactus Cannabis Parathenium

Cactus

The cochineal is a scale insect in the suborder Sternorrhyncha, from which the natural dye carmine is derived. This insect lives on cacti feeding on plant moisture and nutrients. These insects are found on the paddles of prickly pear cacti, then are brushed off and dried. These insects are found on the paddles of prickly pear cacti, then are brushed off and dried. The insect produces carminic acid that deters predation by other insects.