S. Mahunka szerk.: Folia Entomologica Hungarica 60. (Budapest, 1999)
8 (9) Genital and anal plates separated: genital plates on the niveau of coxae IV. Notogaster with parallel sides. L.: 320 pm. (Figs 114-115). - Samoa Cryptoribatula euaensis Hammer, 1973 9 (8) Genital plates far behind: genital and anal plates are connected. Notogaster with backward converging sides. L.: 217 pm. Maybe the male of Cryptoribatula euaensis. Figs (116-117). - Samoa Euaella gittae Hammer, 1973 10 (5) Aggenital setae present. 11 (12) Dorsosejugal suture medially interrupted. Tarsi monodactyle. Body .elongate, more than twice as long as wide. Rostrum parabolic. L.: 292-347 um. (Figs 118-119). - Argentine Parapirnodus longus Balogh et Mahunka, 1968 12 (11) Dorsosejugal suture not interrupted. Legs tridactyle. 13 (14) Notogaster with 11 pairs of setae: there are 2 pairs of setae on shoulder (c, c,). Anal setae setiform as long as or shorter than anal plates. L.: 467 |im. (Figs 120-121).-Argentine Pirnodus andinus Baranek, 1985 14(139) Notogaster with 10 pairs of setae: one pair of setae on shoulder. Anal setae flagellate, longer than anal plates. 15 (16) Notogastral seate long: setae ta longer than distance in-ro. Dilated head of sensillus elongately fusiform, with a pointed tip. L.: 421 pm. (Figs 122-123). Australia: Queensland Pirnodus domrowi Balogh et Mahunka, 1978 16 (15) Notogastral setae short: setae ta shorter than distance in-ro. Dilated head of sensillus with a rounded end. 17 (18) Body elongate: twice as long as wide. Sensillus with capitate head. Ventral side without longitudinal lines. L.: 454 pm. (Figs 124-125). - Madagascar Pseudopirnodus madegassus Mahunka, 1996 18 (17) Body less elongate: W-ratio: 1.4-1.5. Sensillus with an ovate head. Ventral side with dense longitudinal lines. L.: 348^422 urn. (Figs 126-127). Argentine Pirnodus imitans Balogh et Mahunka, 1968 REFERENCES Aoki, J. and Ohkubo, N. (1974): A proposal of new classification of the family Oripodidae (s.lat.), with description of new species. —Bull, natn Mus. Tokyo, 17: 117-147. Balogh, J. (1961): Identification keys of world Oribatid (Acari) families and genera. —Acta zool. hung. 7 (3^*): 243-344. Balogh, J. (1972): The oribatid genera of the world. Akadémiai Kiadó, Budapest, 1-188 pp. + 71 pis. Balogh, J. and Balogh, P. (1984): A review of Oribaruloidea Thor, 1929 (Acari, Oribatei). —Acta zool. hung. 30: 257-313. {Received: 15th July, 1999) Authors' address: J. BALOGH and P. BALOGH Department of Systematic Zoology and Ecology Eötvös Loránd University H-1445 Budapest, Pf. 330 HUNGARY