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Springtails (class Collembola) form the largest of the three lineages of modern hexapods that are no longer considered insects.Although the three lineages are sometimes grouped together in a class called Entognatha because they have internal mouthparts, they do not appear to be any more closely related to one another than they are to all insects, which have external mouthparts.
Most Collembola are only 1–3 mm in length, but Holcanthella average 6–10 mm, and some individuals of H. duospinosa have been recorded as reaching 17 mm, making them the largest known species of springtail. [1] Unlike most springtails, Holacanthella lack a furcula and cannot jump.
Pogonognathellus longicornis is a very large species of springtail, reaching up to 9 millmeters in length. Its antennae are much longer than the body and break easily. It is identified by the empodium's filament reaching beyond the claw of the foot. It is grey-brown with blue pigment on the femur.
Orchesella cincta is a species of springtail present in North America and Europe. They average 4 millimetres (0.16 in) in length, which is extremely large as most springtails don’t grow past 1 millimetre. The specific name cincta means "belted" and refers to the distinctive colouration of the third abdominal segment. [2]
The order Symphypleona, also known as the globular springtails, is one of the three main groups of springtails (Collembola), tiny hexapods related to insects. When the springtails were still believed to be an order of insects, the Symphypleona were ranked as a suborder. They can be best distinguished from the other springtail groups by their ...
Hydroisotoma schaefferi is a springtail native to the eastern US. It likes really wet areas. [1] Appearance
Entomobryidae, sometimes called "slender springtails", is a family of springtails characterised by having an enlarged fourth abdominal segment and a well-developed furcula. Species in this family may be heavily scaled and can be very colourful.
Cryptopygus antarcticus, the Antarctic springtail, is a species of springtail native to Antarctica [2] and Australia. [1] Cryptopygus antarcticus average 1–2 millimetres (0.04–0.08 in) long and weigh only a few micrograms. [ 2 ]