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The Entomobryoidea are a superfamily of springtails (Collembola), tiny hexapods related to insects. In the modern sense, this group is placed in an order called Entomobryomorpha. This superfamily contains very characteristic species of springtails. They typically possess long legs and antennae, as well as a well-developed furcula.
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.
The superfamilies and families are arranged in the presumed evolutionary sequence. The list presented here follows a 2008 review of the Entomobryomorpha. [2] The review abolishes the former "Actaletoidea", which is apparently paraphyletic; its namesake family is now placed in the Isotomoidea, while the Coenaletidae form a new monotypic superfamily.
Researchers have found that the surface-dwelling springtail Allacma fusca can tolerate a 10% level of carbon dioxide for a few hours while in contrast, Folsomia candida, which lives deeper in the soil, can survive under the same conditions for more than six weeks. [2]
The terminal antennal segment has about 20 whorls of hairs and is divided into numerous subsegments. Sminthuridae also have well-developed tracheae. The dens has many setae, unlike in Mackenziellidae where it has 3 setae. Females have subanal appendages. [5] [6]
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The cosmopolitan springtail is found in temperate and polar regions of North America and Europe. [3] [4] Juveniles usually live in the leaf litter of forests and migrate upward after becoming adults, living among lichens growing on trees. During winter, they shelter under loose portions of bark.
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 ...