Dr. Murai Éva - Gubányi András szerk.: Parasitologia Hungarica 27. (Budapest, 1994)

Kostadinova et al. (1988). These deviations, however, might be due to differences in the fixation methods. The morphometric characteristics of our specimens showed good agreement with the description given by Yamaguti (1939). These results indicate that a wide range of intraspecific variation in the morphometric features of P grandivesicularis exists in the literature at present and further work must be carried out to reveal the natural sources of variation. Fig. 2. Petasiger neocomense from P. cristatus. A: Head collar; B: Ventral wiev. Scale bars: A -100/ím; B -500/^m.