Entomobrya

Rondani, 1861

slender springtails

Species Guides

22

Entomobrya is a of slender springtails in the Entomobryidae, containing at least 270 described . Members are characterized by elongated bodies and are among the most commonly encountered springtails in many terrestrial . The genus has been documented across diverse environments including continental Europe, the Canary Islands, and cave systems in southern Spain. Species identification relies heavily on colour pattern and macrochaetotaxy, though colouration varies broadly within species and fades in preservative.

Entomobrya confusa by (c) Pete Lypkie, some rights reserved (CC BY), uploaded by Pete Lypkie. Used under a CC-BY license.Entomobrya katzi by no rights reserved, uploaded by Ben Keen. Used under a CC0 license.Entomobrya by (c) Alexis, some rights reserved (CC BY). Used under a CC-BY license.

Pronunciation

How to pronounce Entomobrya: //ɛn.toʊˈmɑː.bri.ə//

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Identification

identification requires examination of colour pattern combined with macrochaetotaxy formula; colouration alone is insufficient as intraspecific variation ranges from completely pale to completely dark with multiple intermediate forms. The number and arrangement of macrochaetae on abdominal segments (particularly Abd II and Abd III) serve as diagnostic characters. Colour patterns fade in ethanol preservation, necessitating examination of fresh specimens or careful documentation.

Images

Habitat

Terrestrial environments including surface and subterranean cave systems; documented from La Sierra de Grazalema cave system in southern Spain and across the Canary Islands archipelago.

Distribution

Widespread across continental Europe, the Canary Islands, and elsewhere worldwide; specific records include Hundidero-Gato Cave in Málaga, southern Spain, and multiple islands of the Canary archipelago.

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Sources and further reading