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Eighty percent of the world's nations eat insects of 1,000 to 2,000 species. [10] [11] FAO has registered some 1,900 edible insect species and estimates that there were, in 2005, some two billion insect consumers worldwide. FAO suggests eating insects as a possible solution to environmental degradation caused by livestock production. [12]
Insects as food or edible insects are insect species used for human consumption. [1] Over 2 billion people are estimated to eat insects on a daily basis. [ 2 ] Globally, more than 2,000 insect species are considered edible, though far fewer are discussed for industrialized mass production and regionally authorized for use in food.
[81] [7] Scale insect-eating coccinellids have been more successfully used than aphid predators. [7] Out of 155 deliberate introductions meant to control aphids by the year 2000, only one was deemed to be "substantially successful". This is due to aphid-eating species being fast-breeding, generalist and voracious, and thus difficult to control ...
Predators that eat poisonous butterflies and moths may vomit violently, learning not to eat insects with similar markings; this is the basis of Müllerian mimicry. [143] Some ground beetles of the family Carabidae actively defend themselves, spraying chemicals from their abdomen with great accuracy, to repel predators.
A robber fly eating a hoverfly The giant anteater, a large insectivorous mammal. An insectivore is a carnivorous animal or plant that eats insects. [1] An alternative term is entomophage, [2] which can also refer to the human practice of eating insects. The first vertebrate insectivores were amphibians.
Lethocerus indicus (giant water bug) Heterometrus longimanus (Asian forest scorpion) is also consumed. Below is a more comprehensive list of the insect species that are consumed in Thailand. [1] Coleoptera. Aeolesthes sp. Agrianome fairmairei (Montrouzier, 1861) Apriona germai; Aristobia approximator; Dorysthenes buqueti; Plocaederus obesus ...
The fore gut of some species extends the whole length of the insect and can be used to store prey for digestion later. This may be advantageous in an insect that feeds intermittently. [48] Chinese mantises live longer, grow faster, and produce more young when they are able to eat pollen. [49]
Bookworm is a general name for any insect that is said to bore through books. [1] [2] The damage to books that is commonly attributed to "bookworms" is often caused by the larvae of various types of insects, including beetles, moths, and cockroaches, which may bore or chew through books seeking food.