Checklist of the Collembola: Key to the species of Proctostephanus |
This key is still under construction. Note that missing figures will be provided as soon as possible. Currently, the key is in the feasibility study phase to find out how to integrate in the checklist in a modular way a key that has been generated with DELTA.
1(0). Dens with 2-4 dorsal setae and with 1 or 2 ventroapical setae; furca less desarrollada; mucro not clearly separated from dens; mucrodens shorter then 2 times the inner edge of the unguis...................................................... 2 Dens with at least 6 dorsal setae and with 3 or 4 ventroapical setae; furca desarrollada; mucro clearly separated from dens; mucrodens longer then 3 times the inner edge of the unguis.. 5 2(1). Integumentary granulation coarse, with primary and secondary granules............................................. stuckeni Integumentary granulation fine, with only primary granules.... 3 3(2). Anal crown with an irregular set of 9-10 teeth and 6-10 central teeth......................................... sanctiaugustini Anal crown without central teeth.............................. 4 4(3). Anal crown with a single set of 7-12 teeth in the form of an estrella................................................. cidi Anal crown with two regular sets of 6-13 teeth cada una......... ................................................ provincialis 5(1). Dens with 6 dorsal setae and 4 ventroapical setae; anal crown with two sets of teeth.................................. dalii Dens with 7-12 dorsal setae and 3 ventroapical setae; anal crown with a single set of teeth........................ madeirensis