http://www.collembola.org/slides/setaea09.htm - Last updated on 2001.09.05 by Frans Janssens
Checklist of the Collembola: Morphology of the setae: slide 9 of 14


Fig.9. Types of setae. Janssens, F. © 1999.
Classification of setae
Setae can be classified on their relative base radius. Primary setae have a small base radius. Setae with a large base radius become spines.