Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Family Isotomidae

collembola - Vertagopus arboreus Springtail - Folsomia regularis Collembolan Isotomid - Isotomurus palustris Springtail - Isotoma viridis Greenish springtail - Isotoma viridis Isotomidae 10 - Folsomia Entomobryomorpha 6 - Desoria
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Collembola (Springtails and allies)
Order Entomobryomorpha (Elongate-bodied Springtails)
Family Isotomidae
Numbers
?>200 spp.(1) in ~55 genera in our area, close to 1,400 spp. in ~110 genera worldwide arranged in 4 subfamilies (all represented in our area)(2)
Identification
A simple scheme to distinguish the larger specimens of three genera:
Isotoma: macrosetae on all body segments
Isotomurus: macrosetae on posterior body segments only
Desoria: macrosetae absent
Range
worldwide and throughout NA(2)
Remarks
a representative of the superfamily Isotomoidea that also includes Actaletidae, with one C.American (to FL) and one monotypic w. Palaearctic genus(2)