D. S. Salkova
Institute of experimental morphology, pathology and anthropology with museum, BAS, «Acad. G. Bonchev» Str., Bl.25, Sofia-1113, Bulgaria
Bulgaria

M. S. Panayotova–Pencheva
Institute of experimental morphology, pathology and anthropology with museum, BAS, «Acad. G. Bonchev» Str., Bl.25, Sofia-1113, Bulgaria
Bulgaria

S. O. Movsesyan
Center of Parasitology, A. N. Severtsov Institute of Ecology and Evolution, RAS, 33 Leninskii Prospect, 119071, Moscow, Russia Institute of Zoology, Scientific Center of Zoology and Hydroecology, National Academy of Sciences of Armenia, 7, P. Sevak Str., 0014 Yerevan, Armenia
Russian Federation