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The largest is the dobsonfly Acanthacorydalis fruhstorferi, which can have a wingspan of up to 21.6 cm (8.5 in), making it the largest aquatic insect in the world by this measurement. [38] This species is native to China and Vietnam, and its body can be up to 10.5 cm (4.1 in) long. [39]
One gravid captive female reached a mass of about 70 g (2.47 oz), making it one of the heaviest insects in the world [4] [5] and heavier than a sparrow. This is, however, abnormal, as this individual was unmated and retained an abnormal number of eggs.
Wētā is a loanword, from the Māori-language word wētā, which refers to this whole group of large insects; some types of wētā have a specific Māori name. [2] In New Zealand English, it is spelled either "weta" or "wētā", although the form with macrons is increasingly common in formal writing, as the Māori word weta (without macrons) instead means "filth or excrement". [3]
Authorities in China have announced that they have found the new world’s longest insect, which beats the previous record-holder by about 2 inches.
The Cook Strait giant wētā is one of the largest insects in the world, reaching up to 7 centimetres (2.8 in) long. [3] The brownish-yellow body is bulky and heavily armoured, with the upper surface covered by a series of thickened, overlapping plates, which have black markings.
[4] [5] The second-largest member of the genus likely is Phryganistria heusii yentuensis, with a total length of up to 52 centimetres (20 in) and a body length up to 32 centimetres (13 in). [ 2 ] [ 6 ] Another, Phryganistria tamdaoensis was selected in 2015 by the International Institute for Species Exploration as one of the "Top 10 New Species ...
Belostomatidae is a family of freshwater hemipteran insects known as giant water bugs or colloquially as toe-biters, Indian toe-biters, electric-light bugs (because they fly to lights in large numbers), alligator ticks, or alligator fleas (in Florida). They are the largest insects in the order Hemiptera. [1]
The genus belongs to the Meganeuridae, a family including other similarly giant dragonfly-like insects ranging from the Late Carboniferous to Middle Permian. With single wing length reaching 32 centimetres (13 in) [1] and a wingspan about 65–75 cm (2.13–2.46 ft), [2] [3] [4] M. monyi is one of the largest-known flying insect species.