Three new species of Pergalumna (Acari: Oribatida: Galumnidae) from the tropical rainforest of Veracruz, Mexico Author Palacios-Vargas, José G. Author Villagomez, Fernando text Zootaxa 2017 4242 1 77 94 journal article 36317 10.11646/zootaxa.4242.1.4 b8e77d1d-c517-4d04-8670-008d1d314366 1175-5326 376008 31C1F811-5A1A-486E-9993-73FB307B4C90 Pergalumna Grandjean, 1936 Type species. Oribata nervosa Berlese, 1914 Diagnosis. Prodorsal lines L and S present; with true porose areas; ten pairs of notogastric setae that might be reduced to alveoli; dorsosejugal suture generally interrupted; notogaster and pteromorphs never foveolated; lamellar setae between L ; notogaster rounded, some species with sexual dimorphism; adanal lyrifissures adjacent to genital plate margins; legs tridactylous ( Balogh 1958 , 1960 ; Balogh & Balogh 1992 ).