Dr. Holló Ferenc szerk.: Parasitologia Hungarica 3. (Budapest, 1970)

garia (TOULESHKOV, 1954) and Italy (CONCI, 1946). Previous records in Hungary: 1 <î 22 o_ 8 n from O.cuniculus (L.) leg. VASVÁRI 3 111,1922, Kőbánya (Oomitat Pest), det. DUDICH. Reported also by DUDICH (1923). No collections of a more recent date exist. Hoplopleura acanthopus (Burmeister) This species is widely distributed in the European and Sonorian regions, and partly in the Mediterranean. It infests a wide range of hosts (some 30 species), the primary ones being Cricetid rodents belonging to the genera Microtus Schrank, Clethrionomys Tilesius, Pitymys McMurtrie and Arvicola Lacépède. In connection with our materials, the following data about the geographical distribution and hosts ought to be mentioned: On Microtus arvalis (Pall.): Rumania (VOICU and al.,1968), Czechoslovakia (SMETANA, 1965; MRCIAK, 1967), Germany (ARLT, 1963, KULIK and NEGROBOV, 1963), Poland (WEGNER, 1966), and of the European part of the U.S.S.R. Byelorussia and Ukraine (ARZAMASOV and TRUKHAN, 1966; ANDREIKO et al., 1963; TURYANIN, 1962; SERGIENKO, 1967), Bulgaria (TOULESHKOV, 1957). On Microtus agrestis (L.): Czechoslovakia (SMETANA, 1965), Germany (WEIDNER, 1939), Poland (WEGNER, 1966) and in the European part of the U.S.S.R. Ukraine and Byelorussia (TURYANIN, 1962; ARZAMASOV and TRUKHAN, 1966). On Microtus oeconomus (Pall.) (= M. ratticeps Keys, et Blas.): found so far in four countries only: Czechoslovakia (SMETANA, 1965), Germany (ARLT, 1963), Poland (WEGNER, 1966) and the U.S.S.R. - Byelorussia (ARZAMASOV and TRUKHAN, 1966). On Clethrionomys glareolus (Schreb.): Czechoslovakia (SMETANA, 1965; RUPES, 1965), Germany (ARLT, 1963), Poland (WEGNER, 1966) and in the U.S.S.R. Byelorussia and Ukraine (ANDREIKO. 1963; ARZAMASOV and TRUKHAN, 1966; SERGIENKO, 1967). BEAUCOURNU (1966)