Dr. Kassai Tibor - Dr. Murai Éva szerk.: Parasitologia Hungarica 7. (Budapest, 1974)

eggs elliptical, in contrast to the spherical shape of eggs of other Hymenolepidids living in rodents. Embryo almond-shaped. A detailed and illustrated description of H. horrida was given • by MURAI and TENORA (1973b). Hymenolepis asymmetrica Janicki, 1904 Hosts: Microtus arvalis, M. agrestis, Pitymys subterraneus and Clethrionomys glareolus. - Localities: Pilisszentkereszt, Risszépalmapuszta, Laposak, Hova, Őriszentpéter. - Localization: small intestine. - Extensity and intensity: in M. arvalis: 1%, 2-15 specimens; M. agrestis: 5 of 6 specimens were infected, maximal intensity 13 specimens; P. subterraneus: 3%, 1-3 specimens; C. glareolus: 1%, 1-5 specimens. D E Pig. 1: Hooks of tapeworms parasitizing Microtinae species: A/ Hymenolepis asymmetrica; B/ Taenia tenuicollis (larva); C/ Cladotaenia globifera (larva); D

/ Taenia martis (larva); E/ Taenia crassiceps (larva); P / Tetratirotaenia polyacantha (larva) (A-P orig.)