http://www.collembola.org/slides/setaea07.htm - Last updated on 2001.09.05 by Frans Janssens
Checklist of the Collembola: Morphology of the setae: slide 7 of 14


Fig.7. Setal shaft furcification. Janssens, F. © 1999.
Furcification
The setal shaft can be proximodistally replicated, causing furcification of the shaft. Basal, medial or apical furcification of the shaft can occur.