As insect farming scales globally for food and feed, the question of whether density and crowding affect insect welfare has become increasingly important.
The welfare implications of insect farming density are genuinely uncertain. Insects are not social in the vertebrate sense, and some species naturally aggregate in high densities. However, artificial crowding well beyond natural density ranges could compromise welfare through heat accumulation, resource competition, injury, and reduced behavioral expression. Given the astronomical numbers of insects farmed - potentially trillions annually - even small per-animal welfare impacts aggregate to enormous total suffering or flourishing. Investment in understanding insect density welfare is ethically justified even under significant uncertainty about insect sentience.