Zaena s Sucking Pest controller - Spores of this fungus when comes in contact with the skin of the pest insect, they germinate and grow directly through the skin to the inner body of their host. The fungus proliferates throughout the insect s body, draining the insect of nutrients and eventually killing it. The product should be sprayed on foliage of plants using hand, ground, or aerial spray equipment. It is advisable to provide a good coverage on the underside of the leaves.