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For 203 insect species that had IUCN-documented population trends in 2013, 33% were in decline with variation in documented species across orders. [13] Most scientific and public attention has been focused on the conservation of larger, charismatic vertebrates, and relatively fewer studies have been done on insect groups, especially Diptera ...
Insects — by country. Note: where an insect is found in a large number of countries on a continent, they are not categorized by each country — see/use: Category: Insects by continent . This is a container category .
Lepidoptera are among the most successful groups of insects. They are found on all continents, except Antarctica . Lepidoptera inhabit all terrestrial habitats ranging from desert to rainforest, from lowland grasslands to montane plateaus but almost always associated with higher plants, especially angiosperms ( flowering plants ). [ 1 ]
North America. Subcategories. This category has the following 8 subcategories, out of 8 total. ... Insects of North America (14 C, 269 P) Insects of Oceania (16 C, 11 P)
Recent figures indicate that there are more than 1.4 billion insects for each human on the planet, [27] or roughly 10 19 (10 quintillion) individual living insects on the earth at any given time. [28] An article in The New York Times claimed that the world holds 300 pounds of insects for every pound of humans. [28]
Lists of insects by location (8 C, 14 P) O. Insect orders by location (12 C) P. Palearctic insects (1 C, 115 P)
Insects with population trends documented by the International Union for Conservation of Nature, for orders Collembola, Hymenoptera, Lepidoptera, Odonata, and Orthoptera. A 2020 meta-analysis found that globally terrestrial insects appear to be declining in abundance at a rate of about 9% per decade, while the abundance of freshwater insects appears to be increasing by 11% per decade.
Insects of North Africa (3 C, 73 P) R. Insects of Réunion (1 C, 6 P) S. Insects of Southeast Asia (12 C, 110 P) Insects of Southern Africa (12 C, 16 P) W.