Contact and stomach poison work by the mechanism in which , when insect comes into contact or when the insect eats the pesticide sprayed parts, it gets killed. Contact and stomach poison is used for controlling larvae that feed on leaves. Examples include Flubendamide. Some of the pesticides derived from plants also have contact action, for example pyrethrum, sabadilla, etc.
Pesticides
What are biopesticides?
Biopesticides are naturally occurring substances derived from animals, plants, bacteria and certain minerals that helps in controlling pests using non-toxic mechanisms. They have inhibitory effects on crop diseases and insect pests. Biopesticides are considered safer alternatives to chemical pesticides in pest management. They are non-toxic, naturally environmentally friendly and are a key ingredient in sustainable farming The 3 categories of biopesticides include microbial pesticides, plant-incorporated protectants and biochemical pesticides. Different species of fungi , bacteria , insects and other organisms are used as biopesticides .