Study estimates true value of ladybird as biocontrol

Speed read

  • Natural predators of agricultural pests are cheaper and safer than insecticides
  • Farmers can save US$300 million by doubling ladybird density in cotton fields
  • However, biological pest control isn’t always a viable substitute

“By putting a value on this free service (provided by ladybirds) we invite people to think more carefully about what we get from nature and how we may be affected if we lose it —  or if it continues to be poorly managed”

Wei Zhang, International Food Policy Research Institute

Solutions: 
Image: 
Ladybeetle on improved wheat growing in Pakistan.