TABLE 1. Morphological comparison between the species of the gracilis-group of Dicranocentrus. Body dark pigmented areas Ant. IV subapical bifurcated pin projection Smooth chaetae on Ant. ISmooth chaetae on Ant. II Interocular chaetaeR 1 (reduced)M 1 (M 2 triangle Basomedian N ° of chaetae (total)) Scales chaetae labial Internal External shape papillae Labral Dorsal head M 0 macDorsal head – group P mac **Th. IITh. III Dorsal Abd. I Abd. II mac trunk Abd. III central Abd. IVNumber Type chaetae Ten. Trochanteral organ chaetae Tibiotarsal smooth chaetae *** Tenent hair shapeUngues apical toothManubriual smooth chaetaeTotal n ° N ° of rows spines DentalSpeciesD. pampaensis sp. nov.Ant. II–IV, frontal head and tibiotarsi+223S/-CS6–84RR+/-6–712952251C±70-P+-45–643–5D. albicephalus 16Ant. I–IV, trunk and proximal appendages+??3CCS6-RR-512952251S±40+A-?±504–5D. assimilis 2,5,8Ant. I–IV, frontal head, trunk with spots???????????-61193214???+A----D. bidentatus 12,****Distal Ant. I–II, Ant. III–IV enterily, frontal head, spots on trunk, tibiotarsi????CCC12-AR-11063224??≤42+A-+181–2D. capitaneus 13Distal Ant. I–II, frontal head, lateral trunk and legs???4–5???9–115–8RR-513952351?±100-P+/--46–593–4D. colombiensis 5,9Distal Ant. Ib, IIb, entire Ant. III–IV, anterior head, tibiotarsi+???SCS76AR-41295225???-A--±454–5D. cuprum 15Distal Ant. I–IV, head, trunk and proximal legs+??3SSS6-RR-212952251C±70+A-?±502–4D. deharvengi 10Ant. III–IV and legs+???CCC12–14-AA-1014– 15106226???-P+---D. delamarei 8Ant. I–III, anterior head and distal legs????SSS9-AA-412105225???-P--?10–141D. edicitae 6Specimens depigmented???5???????+41274224????????? ......Continued on the next page

Published as part of Silva, Clécio Danilo Dias Da, Nunes, Rudy Camilo, Winck, Bruna Raquel & Bellini, Bruno Cavalcante, 2024, A new species of Dicranocentrus Schött (Collembola, Orchesellidae) from the Brazilian Pampa, with a key to the gracilis-group taxa, pp. 546 in Zootaxa 5471 (5) on page 546, DOI: 10.11646/zootaxa.5471.5.2, http://zenodo.org/record/12207514