Entomobryidae

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 scale-less Entomobryidae are commonly caught in pitfall traps around the planet, and also occur in canopy faunas high up in trees (notably Entomobrya nivalis, very common throughout Europe if not the Northern Hemisphere). There are more than 1700 described species in Entomobryidae.[1][2][3][4]

Entomobryidae
Willowsia nigromaculata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subclass: Collembola
Superfamily: Entomobryoidea
Family: Entomobryidae
Subfamilies
  • Entomobryinae
  • Lepidocyrtinae
  • Orchesellinae
  • Seirinae
Willowsia platani
Entomobrya albocincta

Description

This family has a reduced prothorax that lacks setae. The antennae are longer than the head diagonal. A mandibular plate is present. The abdominal segments are not fused. The body has trichobothria and thick clavate setae, and often scales as well. The dens is longer than the manubrium, tapering and annulated. The dentes are roughly parallel and distally curved. The mucro is small and has one or two teeth.[5]

In more general terms, Entomobryidae tend to be relatively large springtails, reaching 2 mm or more. They may have stripes, bands or streaks of blue, red or purple. Some species are all blue or all white, the latter tending to also have reduced ocelli. Cave-dwelling species have long appendages and the claws are often modified.[5]

Ecology

On humid mornings, many entomobryid species climb herbaceous plants to feed on pollen and the spores of fungi.[6]

Entomobryids have been found in brood galleries of bark beetles, where they are presumed to feed on fungi or act as saprophages.[7]

Some species live in intertidal habitats.[8]

Springtails of this family are prey for a range of predators, including various ground beetles, the shore bug Saldula saltatoria, lady beetle larvae,[9] ants and crab spiders.[6]

Genera

These 38 genera belong to the family Entomobryidae:

  • Acanthurella Börner, 1906 g
  • Acrocyrtus Yosii, 1959 g
  • Amazhomidia g
  • Americabrya Mari Mutt & Palacios-vargas, 1987 b
  • Aphysa Handschin, 1925 g
  • Ascocyrtus Yosii, 1963 g
  • Australotomurus Stach, 1947 g
  • Bessoniella Deharveng & Thibaud, 1989 g
  • Calx b
  • Coecobrya Yosii, 1956 c g b
  • Corynothrix Tullberg, 1876 i c g
  • Dicranocentrus Schött, 1893 g
  • Drepanura Schoett, 1891 c g b
  • Entomobrya Rondani, 1861 i c g b
  • Entomobryoides Maynard, 1951 g b
  • Epimetrura Schött, 1925 g
  • Haloentomobrya Stach, 1963 g
  • Hawinella Bellinger & Christiansen, 1974 i c g
  • Heteromurus Wankel, 1860 i c g b
  • Homidia Börner, 1906 g b
  • Janetschekbrya Yosii, 1971 i c g
  • Lepidobrya c g
  • Lepidocyrtoides Schött, 1917 g
  • Lepidocyrtus Bourlet, 1839 i c g b
  • Lepidosira c g
  • Mesentotoma b
  • Orchesella Templeton, 1758 i c g b
  • Orchesellides Bonet, 1930 i c g
  • Permobrya Riek, 1976 g
  • Pseudosinella Schaeffer, 1897 i c g b
  • Rhynchocyrtus de Mendoça & Fernandes, 2007 g
  • Seira Lubbock, 1869 i c g b
  • Sinella Brook, 1882 i c g b
  • Sinelloides Bonet, 1942 g
  • Sinhomidia Zhang, 2009 g
  • Tyrannoseira Bellini & Zeppelini, 2011 g
  • Verhoeffiella Absolon, 1900 i g
  • Willowsia Shoebotham, 1917 i c g b

Data sources: i = ITIS,[1] c = Catalogue of Life,[2] g = GBIF,[3] b = Bugguide.net[4]

References
  1. "Entomobryidae Report". Integrated Taxonomic Information System. Retrieved 2018-05-03.
  2. "Browse Entomobryidae". Catalogue of Life. Retrieved 2018-05-03.
  3. "Entomobryidae". GBIF. Retrieved 2018-05-03.
  4. "Entomobryidae Family Information". BugGuide.net. Retrieved 2018-05-03.
  5. "Family ENTOMOBRYIDAE Schäffer, 1896". Australian Faunal Directory. Retrieved 2023-05-29.
  6. Bernard, Ernest C. (2023), "Soil arthropods: Underfoot and all around", Reference Module in Earth Systems and Environmental Sciences, Elsevier, doi:10.1016/b978-0-12-822974-3.00204-4, ISBN 978-0-12-409548-9, retrieved 2023-05-29
  7. Hofstetter, Richard W.; Dinkins-Bookwalter, Jamie; Davis, Thomas S.; Klepzig, Kier D. (2015), "Symbiotic Associations of Bark Beetles", Bark Beetles, Elsevier, pp. 209–245, doi:10.1016/b978-0-12-417156-5.00006-x, ISBN 978-0-12-417156-5, retrieved 2023-05-29
  8. Cheng, Lanna (2009), "Marine Insects", Encyclopedia of Insects, Elsevier, pp. 600–604, doi:10.1016/b978-0-12-374144-8.00167-3, ISBN 978-0-12-374144-8, retrieved 2023-05-29
  9. Tamaddoni-Nezhad, Alireza; Milani, Ghazal Afroozi; Raybould, Alan; Muggleton, Stephen; Bohan, David A. (2013), "Construction and Validation of Food Webs Using Logic-Based Machine Learning and Text Mining", Advances in Ecological Research, Elsevier, vol. 49, pp. 225–289, doi:10.1016/b978-0-12-420002-9.00004-4, ISBN 978-0-12-420002-9, retrieved 2023-05-29
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