S. Mahunka szerk.: Folia Entomologica Hungarica 32/2. (Budapest, 1979)

7(6) Axes of dorsal cavities parallel to body axis. Seta I 5 reaching to posterior margin of inner dorsal cavities Zercon saphenus sp.n. (Tunisia) 8 (3) Anterior margin of ventro-anal shield with four setae. 9 (10) All opisthonotal setae phylliform Zercon secundus sp.n. (Tunisia) 10 (9) All opisthonotal setae different, not phylliform 11(12) Seta I 5 equalling seta 1

1 Zercon cabylus Athias-Henriot, 1961 (Algeria) 12 (11) Seta 15 at least 1.5 times as long as seta II Zercon encarpatus Athias-Henriot, 19 61 (Algeria) The holotype and a part of paratype specimens are deposited in the collection of the Hungarian Natural History Museum, Budapest a párt of paratypes in the collection of the Department of Animal Morphology, Poznarl, Poland. Acknowledgements. I should like to thank Prof. Dr. J. RAFALSKI for his assistance in preparing this study. Through the courtesy of Dr. S. MAHUNKA I have received material from Tunisia for which I should like express my deep gratitude. REFERENCES ATHIAS-HENRIOT, C. (1961): Mesostigmates (Urop. excl.) edaphiques méditerranéens (Acaromorpha, Anactinotrichida). - Acarologia, Paris, 3 (4): 381-509. BLASZAK, C. (1975): A revision of the family Zerconidae (Acari, Mesostigmata). Systematic studies on family Zerconidae I. - Acarologia, Paris, 17 (4): 553-569. HALASKOVÁ, V. (1977): A revision of the Genera of the family Zerconidae (Acari, Gamasides)and Descriptions of New Taxa from Several Areas of Nearctic Region. - Studie ÍSAV, Praha, 7: 1-74. KO§IR, M. (1974): Descriptions of a new Zercon and Prozercon species from Yugoslavia and the record of Zercon plumatophilus (?) Athias-Henriot, 1961 (Acarina, Mesostigmata: Zerconidae) - Biol, vestn. Ljubljana, 22 (1): 75-88. SELLNICK, M. (1958): Die Familie Zerconidae Berlese. - Acta Zool. Hung., Budapest, 3: 313-368. Author's address: Dr. C. BLASZAK Department of Animal Morphology Adam Mickiewicz University Szamarzewskiego 91a. 60-569 Poznan"

, Poland