The genus Entomobrya are arboreal species with four antennal segments and elongated abd4. Entomobrya species are identified from dorsal pigmentation patterns.
Entomobrya albocincta has a broad pale band on the thorax:
Entomobrya intermedia has a characteristic broken “U” (the corners are missing) on abd.5/6 and a “W” across the top of abd.4.
Entomobrya nicoleti has only two dark spots on the sides of abd4:
Entomobrya nivalis has no inverted V shape (the central part of the W pattern in E. intermedia) at the top of abd4:
Other Identification Guides: https://collembolla.blogspot.co.uk/p/identification-guides.html