collemn.

/ˈkɒlɛm/Etymology: Shortened < collembolan n.
the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Apterygota or Ametabola > [noun] > order Collembola > member of
1924 717/2 A great many ‘Collems’ live on the surface of water.
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2018).