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List of damselflies of the world (Calopterygidae) List of data deficient insects; List of dragonflies; E. ... 50 (UTC). Text is available ...
By moving its mouthparts the insect mixes its food with saliva. [50] [51] Some insects, like flies, expel digestive enzymes onto their food to break it down, but most insects digest their food in the gut. [52] The foregut is lined with cuticule as protection from tough food. It includes the mouth, pharynx, and crop which stores food. [53]
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 2843 least concern insect species. [1] 47% of all evaluated insect species are listed as least concern. The IUCN also lists 12 insect subspecies as least concern. No subpopulations of insects have been evaluated by the IUCN.
Pages in category "Lists of insect species" The following 200 pages are in this category, out of approximately 400 total. This list may not reflect recent changes .
The highest confirmed weight of an adult insect is 71 g (2.5 oz) for a gravid female giant weta, Deinacrida heteracantha, [2] although it is likely one of the elephant beetles, Megasoma elephas and Megasoma actaeon, or goliath beetles, both of which can commonly exceed 50 g (1.8 oz) and 10 cm (3.9 in), can reach a greater weight. [2]
Over 1.5 million living animal species have been described—of which around 1 million are insects—but it has been estimated there are over 7 million in total. Animals range in size from 8.5 millionths of a metre to 33.6 metres (110 ft) long and have complex interactions with each other and their environments, forming intricate food webs .
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Articles relating to insects, pancrustacean hexapod invertebrates of the class Insecta.They are the largest group within the arthropod phylum.Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae.