Wild Insect Welfare: Predation, Parasitism, and Scale

Wild insects face welfare challenges from predation, parasitism, and disease at a scale that dwarfs all human-caused animal welfare impacts; this raises profound questions about wild animal welfare.

Key Facts

An estimated 10 quintillion insects live on Earth at any time
Parasitoid wasps that lay eggs in living hosts represent prolonged suffering for millions of insects daily
Parasitism affects an estimated 20-40% of insect individuals at any given time
Wild animal welfare philosophy is divided on whether natural suffering should be considered a welfare concern
Interventions in wild insect suffering are largely beyond current practical capability

Welfare Considerations

Wild insect welfare at scale raises some of the most challenging questions in animal welfare philosophy. If insects experience suffering - and the evidence for this is genuinely uncertain - then the scale of wild insect suffering from predation, parasitism, and disease may exceed all human-caused animal welfare impacts combined. This creates a profound philosophical and practical challenge: what, if anything, should follow from recognizing this possibility? Most practical welfare ethicists accept that wild insect suffering is currently beyond intervention while remaining open to developing the evidence base on insect experience that would inform future ethical reasoning.

What You Can Do

Support research on insect sentience and nociception to improve the evidence base
Engage with wild animal welfare philosophy as an intellectually serious field
Reduce causes of wild insect population decline including pesticides and habitat loss
Support insect welfare research organizations developing the frameworks needed for future intervention
Maintain intellectual humility about the boundaries of current animal welfare knowledge and practice