http://www.collembola.org/doc/arthrop.htm - Last updated on 2009.04.20 by Frans Janssens

Frans Janssens, Department of Biology, University of Antwerp, Antwerp, B-2020, Belgium

Table 1. Distinguishing Collembola from most commonly confused similar-sized arthropods (modified from Christiansen in Dindal, 1990:966)

Arthropod group	Distinguished from Collembola by:
Acarina	No ventral tube, no antennae, generally four pairs of legs (first instars three pair) Acarina from the UK 2009.04.20 © Robertson, A.
First-instar Diplopoda	No ventral tube, no legs on segment behind head, large mandibles usually visible at side of head Diplopoda first instars from Canada 2007.06.01 © Luk, S. Diplopoda first instars from the USA 2008.02.05 © Coin, P. Diplopoda first instars from the UK 2008.09.12 © Spears, G.
First-instar Pauropoda	No ventral tube, branched antennae Pauropus silvaticus from Australia first instar After Tiegs, O.W. 1947 Fig.4A
Wingless Homoptera	No ventral tube, more than six abdominal segments, long outstanding antennae, multisegmented tarsi Homoptera from Ibiza 2009.03.13 © Beer, R.
Wingless Psocoptera	No ventral tube, more than six abdominal segments, facetted compound eyes, long multi-annulated antennae Psocoptera nymph with Entomobrya intermedia from the UK 2007 © Barton, T. Wingless Psocoptera from the Netherlands 2007.06.17 © Van Erkelens, J.A.   Psocoptera nymph from the USA 2007.07.17 © Terser, O. Psocoptera from the UK 2008.10.06 © Oakshott, A.
Wingless Thysanoptera	No ventral tube, more than six abdominal segments Thysanoptera nymph 2007.05.25 © Reed, D.

References