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Pergalumna sp. eating nematodes. Many oribatid mites are opportunistic feeders, and some will readily eat living nematodes. This shows adult Pergalumna sp. (unidentified; from soil, Piracicaba, Brazil)) in a culture, feeding on the nematode Pratylenchus brachyurus (juveniles J2). (Video by Anibal Oliveira)
Oliveira A.R., de Moraes G.J. & Ferraz L.C.C.B. (2007): Consumption rate of phytonematodes by Pergalumna sp. (Acari: Oribatida: Galumnidae) under laboratory conditions determined by a new method. - Experimental and Applied Acarology, 41: 183-189.
Heidemann K., Ruess L., Scheu S. & Maraun M. (2014): Nematode consumption by mite communities varies in different forest microhabitats as indicated by molecular gut content analysis. - Experimental and Applied Acarology, 64(1): 49-60.
Rockett C.L. (1980): Nematode predation by oribatid mites (Acarina, Oribatida). - Internat. J. Acarology, 6(3): 219-224.