Dr Mike Picker, an insect ecologist at the University of Cape Town, agreed that fly larvae was nutritious, but doubted its broad appeal.
He said: “In Canada, and certainly in France, there are gourmet insect burgers that are available.
“They’re actually nutritionally ideal for us and they taste very good. The problem is one of culture – convincing people that this is something that they should be able to eat.
“Certainly from an environmental perspective they’re less damaging than the meat industry which currently accounts for about 25% of global emissions, and that’s of huge concern.