Ants form part of dishes in a variety of cultures - honeypot ants are dug up from the ground and eaten raw by aboriginal peoples in Australia.
Leafcutter ants, also known as Hormigas Culonas in Spanish are eaten mainly in South America - in Colombia, they are sold like popcorn at cinemas.
Lemon ants are found in the Amazon jungle and are said to taste like just that lemons.
Edible insects are being promoted as a low-fat, high-protein food for people, pets and livestock.
According to the U.N., they come with appetising side benefits: Reducing greenhouse gas emissions and livestock pollution, creating jobs in developing countries and feeding the millions of hungry people in the world.
Scientists who have studied the nutritional value of edible insects have found that red ants, small grasshoppers and some water beetles pack (gram-per-gram or ounce-per-ounce) enough protein to rank with lean ground beef while having less fat per gram.