New species of Pseudoscorpiones (Arachnida) from tree hollows in a Mediterranean oak forest in Spain Author Hernández-Corral, Jesús Author Zaragoza, Juan A. Author Micó, Estefanía text Zootaxa 2018 2018-10-09 4497 2 201 225 journal article 29214 10.11646/zootaxa.4497.2.3 138be9ad-b476-48af-93ee-6fd78c04484d 1175-5326 1452117 0C10BF04-D9FD-49D0-BDB5-647DD690A30F Key to adult males of the Rhacochelifer species from the Iberian Peninsula [ Rhacochelifer tingitanus (L. Koch, 1873) excluded] 1 Elongated keels present on posterolateral corners of carapace and anterior tergites.................................. 2 - Without elongated keels on posterolateral corners of carapace and anterior tergites.................................. 3 2 Larger, pedipalpal femur about 0.90 and chela+ about 1.50 mm long............. Rhacochelifer peculiaris (L. Koch, 1873) . - Smaller, pedipalpal femur 0.66 and chela+ 0.95 mm long............................................. R. gaeli n. sp. 3 Anterior genital sternite with some distinctly forked setae...................................................... 4 - Anterior genital sternite with all setae simple and acuminate.................................................... 5 4 Tergites VI–X lacking medial anterior seta; smaller species, pedipalp femur length 0.56–0.64 mm , patella 2.4–2.5× longer than broad ( 0.51–0.56 mm ), chela+ 3.3–3.4× (1.00 mm)........................... Rhacochelifer pinicola ( Nonídez, 1917 ) . - Tergites VI–X with one medial anterior seta; larger species, pedipalp femur length 0.81 mm , patella 2.2× longer than broad ( 0.66 mm ), chela+ 3.2× ( 1.29 mm )................................................. Rhacochelifer nonidezi n. sp . 5 Pedipalpal femur and patella with coarser granules besides normal granulation.... Rhacochelifer maculatus (L. Koch, 1873) . - Pedipalpal femur and patella without coarser granules........................ Rhacochelifer disjunctus (L. Koch, 1873) .