Order Symphypleona - Globular Springtails

Classification · Synonyms and other taxonomic changes · Numbers · Identification · Range · Remarks · Works Cited

Globular Springtail - Pseudobourletiella spinata

Brown globular springtail - Ptenothrix unicolor

Vesicephalus occidentalis? - Vesicephalus occidentalis

Dicyrtoma tesselata? - Ptenothrix marmorata

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Collembola (Springtails and allies)

Order Symphypleona (Globular Springtails)

Synonyms and other taxonomic changes

Symphypleona Börner 1901

Numbers

_ spp. in >30 genera of 8 families in our area; worldwide, ~1,200 spp. in 113 genera of 10 families, arranged into 5 superfamilies (one small Neotropical family and one monotypic family restricted to Canary Is. are not represented in our area)(1)

Identification

Abdominal segmentation dorsally indistinct. Antennae longer than head. Body size usually >0.7 mm. Eyes usually present. Trunk distinctly subglobular, terminated by a much smaller unit.(1)

In Symphypleona, the eversible sacs of the ventral tube have evolved into long multifunctional tubes, used [i] to regulate the internal osmotic pressure by taking up water with the tips of the eversed sacs/tubes, [ii] to adhere to smooth surfaces, and [iii] for grooming. (From Frans Janssens's comment)

Range

worldwide and throughout NA(1)

Remarks

In Symphypleona, the eversible sacs on the ventral tube have evolved into long tubes used to regulate the internal osmotic pressure (tube tips can take up water) and to adhere to smooth surfaces, and also for grooming. --Frans Janssens

Works Cited

1.	Bellinger P.F., Christiansen K.A., Janssens F. (1996‒2023) Checklist of the Collembola of the World

Contributed by John F. Carr on 14 March, 2009 - 6:10pm
Additional contributions by Beatriz Moisset, v belov
Last updated 6 March, 2012 - 11:09am

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