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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]
Species in this genus are 4 to 9.7 cm (1.6–3.8 in) long and can have a wingspan of up to 20 cm (8 in); the world's largest cockroach by length and wingspan is M. longipennis. [1] [2] [3] Megaloblatta, like many other insects, use stridulation in order to steer their predators away. [4]
The Asian Acanthacorydalis fruhstorferi can have a wingspan of up to 21.6 cm (8.5 in), making it the largest dobsonfly and the largest aquatic insect in the world by this measurement. [4] [5] The wings vary from a grayish to translucent shade, depending on the species, and the anal region of the hindwing is wide and folded at rest. Despite the ...
Goliath beetles are among the largest insects on Earth, if measured in terms of size, bulk and weight. [1] [2] They are members of subfamily Cetoniinae, within the family Scarabaeidae. [1] Goliath beetles can be found in many of Africa's tropical forests, [1] where they feed primarily on tree sap and fruit.
Megaloblatta longipennis is a species of cockroach in the family Ectobiidae.It is the world's largest cockroach by length and wingspan. It is native to Colombia, Ecuador and Peru; [3] [4] [5] although its range sometimes is reported to extend into Panama; this is based on misidentifications of the closely related and similar M. blaberoides (the only Central American species in the genus).
Most species are at least 2 cm (0.8 in) long, although smaller species, down to 0.9 cm (0.35 in), also exist. The largest are members of the genus Lethocerus, which can exceed 12 cm (4.5 in) and nearly reach the length of some of the largest beetles in the world. [1] [3] [4] Giant water bugs are a popular food in parts of Asia. [5]
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.
[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 ...