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Genus Hypogastrura

Purple Larvae - Hypogastrura unknown Collembolan - Hypogastrura Puddle Bug Clumps - Hypogastrura tiny gray springtails - Hypogastrura Springtail IMG_9019 - Hypogastrura 7217 - Hypogastrura manubrialis Hypogastrura sp? - Hypogastrura Thrips of some kind? - Hypogastrura
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Collembola (Springtails and allies)
Order Poduromorpha
Family Hypogastruridae
Genus Hypogastrura
Other Common Names
H. nivicola, H. harveyi, and H. tooliki are active in winter and are called "snow fleas".
Explanation of Names
Author: Bourlet, 1839
Nearctica lists 81 species.
Per Frans Janssens here, some diagnostic characters of Hypogastrura:

1. poor dorsal setal coverage (few setae per segment)
2. short furca
3. small anal spines
4. 8 ocelli in each eyepatch