Butterflies. Butterflies come from Caterpillars and pollinate flowers. Different kinds of plants can be grown to bring different kinds of Butterflies. For example, Monarch Butterflies need Milkweed. http://www.butterflyworkx.com/butterfly-caterpillars.html http://www.rodales.com/organic-milkweed-seeds---set-of-4/E002221.html http://monarchbutterflygarden.net/butterfly-plants/ Red Worms. These are use to create compost to use as fertilizer for plants. The Larvae need meat, but the Worms themselves need Cellulose and Nitrogen rich foods (Food Scraps, Paper, Cardboard, Sawdust, etc) https://www.redworms.com/Buy-Worms/ Soldier Flies. The Larvae of the Soldier Fly can be used to Compost everything a Red Worm Composts, plus Meat. And they can neutralize the smell of a Compost pile, so that you don't smell rotting meat. http://www.mulberryfarms.com/BLACK-SOLDIER-FLY-LARVAE-compare-to-Reptiworm-Phoenix-Worm-c30/ Rhinoceros Beetle. The Larvae are large grubs, and they can compost any plant matter, including wood. The Beetles eat fruit. https://rhinobeetle.co.uk/index.php/shop/categories Stag Beetle. Just like Rhinoceros Beetles. Silk Worms. These produce Silk, their Cocoons are the source, and they need Mulberry Trees. http://www.mulberryfarms.com/Silkworm-Eggs-c23/ https://www.willisorchards.com/category/mulberry-trees#.V-hmGoWcFMs Cochineal. These produce a well known red Dye when crushed, the same Dye used to create the British "Red Coats". And they need Prickly Pear Cacti. http://www.cactusstore.com/category_3/Opuntia-species.htm Mealworms. These are used as food for various pets, like lizards, and can also be eaten by people. They eat Oats and things like that. http://www.flukerfarms.com/mealworms-live.aspx Brown Earthworms. These can be used as food for animals, such as Chickens, and even people can eat them. But to be used for human consumption they should be fed Cornmeal for at least 24 hours so that they don't taste like dirt. https://earthwormcastings.org/product-type/buy-earthworms-online Cicadas. These are actually used as food for humans in many places, even fairly commonly in the Southern United States. Locusts. These are used as food all over the world, and are mentioned in the Bible with Cicadas as okay to eat. Said to taste best when fed Sesame leaves. http://www.locustsuk.co.uk/ http://www.reptilecentre.com/locusts-f34512_34517.htm Katydids. These are also mentioned in the Bible as food. Hornworms. Supposedly taste like Shrimp. http://www.goliathworms.com/buy/ Longhorn Beetles. The most Commonly eaten bug in the world by humans.