Dr. Vasyl V. Tkach

Selected publications

Tkach, V.V., Sharpilo, V.P., Lisitsina, O.I. 1985. Rare and little known trematode species (Trematoda, Pleurogenidae, Lecithodendriidae) from bats of the fauna of USSR. Vestnik zoologii, N 6, 6-10 (in Russian).

Tkach, V.V., Sharpilo, L.D. 1988. Nematodes of the genus Molinostrongylus (Nematoda, Molineidae) from Ukrainian bats. Vestnik zoologii, N 4, 3-8 (in Russian).

Tkach, V.V. 1991. Cestodes of genus Triodontolepis (Cestoda, Hymenolepididae) of the Ukrainian fauna, with description of cysticercoid T.torrentis. Vestnik zoologii, N 2, 3-10 (in Russian).

Tkach, V.V.,Velikanov, V.P. 1991. Pseudhymenolepis turkestanica sp.n. (Cestoda: Hymenolepididae), a new cestode from shrews. Annales de Parasitologie Humaine et Comparee, 66, 54-56.

Sharpilo, V.P., Tkach, V.V. 1992. On the type species of Plagiorchis Luhe, 1899 (Trematoda, Plagiorchiidae).Vestnik zoologii, N 5, 8-15 (in Russian).

Velikanov, V.P., Tkach, V.V. 1993. New cestode species (Cestoda, Hymenolepididae) from desert shrew. Vestnik zoologii, N 5, 3-11 (in Russian).

Tkach, V.V. 1994. Description of cysticercoid of Coronacanthus vassilevi Genov, 1980 (Cestoda, Hymenolepididae). Parasite, 1, 161-165.

Lisitsina, O.I., Tkach, V.V. 1994. Morphology of cystacanths of some acanthocephalans from aquatic and terrestrial intermediate hosts in the Ukraine. Helmintologia, 31, 83-90.

Tkach, V.V., Bray, R.A. 1995. Prosolecithus danubica n.sp. (Digenea: Dicrocoeliidae), a new digenean from shrews on islands of the Danube delta. Parasite, 2, N 2,133-140.

Kornyushin, V.V., Tkach, V.V. 1995. Drepanidotaenia czaplinskii sp.n. (Cyclophyllidea: Hymenolepididae) - a new cestode from Netta rufina (Pall.) (Anseriformes: Anatidae). Acta Parasitologica, 40, 132-136.

Iskova, N.I., Sharpilo, V.P., Sharpilo, L.D., Tkach, V.V. 1995. Catalogue of helminths of Ukraine. Trematodes of terrestrial vertebrates. Kiev, 93 p. (in Russian).

Tkach, V.V., Swiderski, Z.P. 1996. Scanning electron microscopy of the rare nematode species Pterygodermatites bovieri (Blanchard, 1886), a parasite of bats. Folia Parasitologic, 43, 301-304.

Korhyushin V.V., Czaplinski B., Tkach V.V. 1996. Composition of the genus Drepanidotaenia Railliet, 1892 and its place in the system of hymenolepidid cestodes. Helminthologia, 33, 153-155.

Swiderski, Z., Tkach, V. 1997. Ultrastructure of the infective eggs of the hymenolepidid cestode, Ditestolepis tripartita (Zarnowski, 1955), a parasite of shrews. Acta Parasitologica, 42, 46-54.

Swiderski, Z. & Tkach, V.V. 1997. Ultrastructure of Oncospheral Hook Formation in the Nematotaeniid Cestode, Nematotaenia dispar (Goeze, 1782). International Journal for Parasitology, 27, 299-304.

Tkach, V.V., Kornyushin, V.V. 1997. On the systematic position of Hymenolepis blarinae Rausch et Kuns, 1950 (Cestoda, Hymenolepididae), with re-description of the holotype. Systematic Parasitology, 37, 21-25.

Swiderski, Z. & Tkach, V.V. 1997. Differentiation and Ultrastructure of the Paruterine Organs and Paruterine Capsules, in the Nematotaeniid Cestode Nematotaenia dispar (Goeze, 1782) Lühe, 1910, a Parasite of Amphibians. International Journal for Parasitology, 27, 635-644.

Swiderski, Z. & Tkach, V.V. 1997. Ultrastructural studies on the cellular organisation of the oncospheres of the nematotaeniid cestode, Nematotaenia dispar (Goeze, 1782). Acta Parasitologica, 42, 158-167.

Tkach, V., Swiderski, Z. 1997. Late stages of egg maturation in the cestode Pseudhymenolepis redonica Joyeux et Baer, 1935 (Cyclophyllidea, Hymenolepididae), a parasite of shrews. Acta Parasitologica, 42, 97-108.

Swiderski, Z., Tkach, V. 1997. Differentiation and Ultrastructure of Oncospheral and Uterine Envelopes in the Nematotaeniid Cestode Nematotaenia dispar (Goeze, 1782). International Journal of Parasitology, 27, 1065-1074.

Tkach, V.V. 1998. Neomylepis gen.n. - a new genus of hymenolepidid tapeworms (Cestoda, Cyclophyllidea), parasites of water shrews . Vestnik zoologii, 32, 90-93 p.

Tkach, V.V. 1998. Maritrema neomi n. sp. (Digenea: Microphallidae) from water shrews (Neomys). Journal of Parasitology, 84, 846-849.

Tkach, V.V., Swiderski, Z. 1998. Differentiation and ultrastructure of the oncospheral envelopes in the hymenolepidid cestode Staphylocystoides stefanskii (Zarnowski, 1954). Acta Parasitologica, 43, 221-230.

Swiderski, Z.P., Tkach, V.V. 1999. Electron microscopical studies on the cellular organisation of the oncospheres of the hymenolepidid cestode, Staphylocystoides stefanskii (Zarnowski, 1954). Acta Parasitologica, 44, 31-38.

Tkach, V., Pawlowski, J. 1999. A new method of DNA extraction from the ethanol-fixed parasitic worms. Acta Parasitologica, 44, 147-148.

Tkach, V., Grabda-Kazubska, B., Pawlowski, J. & Swiderski, Z. 1999. Molecular and morphological evidences for close phylogenetic affinities of the genera Macrodera, Leptophallus, Metaleptophallus and Paralepoderma (Digenea, Plagiorchioidea). Acta Parasitologica, 44, 170-179.

Kedra, H. A., Swiderski, Z., Tkach, V. V., Dubinski, P., Pawlowski, Z., Stefaniak, J., Pawlowski, J. 1999. Genetic analysis of Echinococcus granulosus from humans and pigs in Poland, Slovakia and Ukraine. A multicenter study. Acta Parasitologica, 44, 248-254.

Tkach, V., Pawlowski, J., Mariaux, J. 2000. Phylogenetic analysis of the suborder Plagiorchiata (Platyhelminthes, Digenea) based on partial lsrDNA sequences. International Journal for Parasitology, 30, 83-93.

Swiderski, Z., Tkach, V. V., Vaucher, C. 2000. Fine structure of the infective eggs of the dilepidid cestode Hepatocestus hepaticus (Baer, 1932), a parasite of shrews. Acta Parasitologica, 45, 71-82.

Tkach, V.V. 2000. First finding of bat parasite Pycnoporus macrolaimus (Digenea, Lecithodendriidae) in the Ukraine. Vestnik zoologii, 34, 71-73.

Kedra, A.H., Tkach, V.V., Swiderski, Z., Pawlowski, Z., Emets, A., Pawlowski J. 2000. Molecular characterization of Echinococcus granulosus from a wild boar. Acta Parasitologica, 45, 121-122.

Swiderski, Z., Chomicz, L., Grytner-Ziecina, B., Tkach, V. V. 2000. Electron microscope study on vitellogenesis in Catenotaenia pusilla (Goeze, 1782) (Cyclophyllidea, Catenotaeniidae). Acta Parasitologica, 45: 83-88.

Tkach, V., Pawlowski J., Sharpilo, V.P. 2000. Molecular and morphological differentiation between species of the Plagiorchis vespertilionis group (Digenea, Plagiorchiidae), occurring in European bats, with a re-description of P. vespertilionis (Müller, 1780). Systematic Parasitology, 47, 9-22.

Swiderski, Z., Tkach, V. V., Salamatin, R.V. 2000. Oncospheral hook morphogenesis in the cestode Dilepis undula (Schrank, 1788) (Cyclophyllidea, Dilepididae). Acta Parasitologica, 45, 322-331.

Tkach, V. V., Bray, R. A. 2001. Allassogonoporus callosciuri n. sp. (Digenea: Allassogonoporidae) from the plantain squirrel Callosciurus notatus (Boddaert, 1785) (Rodentia: Sciuridae) on the Island of Borneo, Malaysia. Systematic Parasitology, 48:37-40.

Tkach, V., Pawlowski, J., Mariaux, J., Swiderski, Z. 2001. Molecular phylogeny of the suborder Plagiorchiata and its position in the system of Digenea. In: Littlewood, D.T.J. and Bray, R.A. (Eds.), Interrelationships of Platyhelminthes. Taylor & Francis, London, pp. 186-193.

Tkach, V., Grabda-Kazubska, B., Swiderski, Z. 2001. Systematic position and phylogenetic relationships of the family Omphalometridae Odening, 1959 (Digenea, Plagiorchiida) inferred from the partial lsrDNA sequences. International Journal for Parasitology, 31, 81-85.

Kuzmin, Y., Tkach, V.V., Snyder, S.D. 2001. Rhabdias ambystomae sp. n. (Nematoda: Rhabdiasidae) from the North American spotted salamander Ambystoma maculatum (Amphibia: Ambystomatidae). Comparative Parasitology, 68, 228-235

Kedra, A.H., Tkach, V.V., Swiderski, Z., Pawlowski, Z. 2001. Intraspecific variability within NADH dehydrogenase subunit 1 sequences of Taenia hydatigena. Parasitology International, 50, 145-148.

Swiderski, Z., Ndiaye, P.I., Tkach, V., Miquel, J., Marchand, B., Chomicz, L. 2001. Ultrastructural study of the embryonic development of the anoplocephalid cestode Anoplocephaloides dentata, intestinal parasite of Arvicolidae rodents. I. Egg envelope formation. Acta Parasitologica, 46, 171-185.

Swiderski, Z., Ndiaye, P.I., Miquel, J., Tkach, V., Marchand, B., Chomicz, L., Grytner-Ziecina, B. 2001. Ultrastructural study of the embryonic development of the anoplocephalid cestode Anoplocephaloides dentata, intestinal parasite of Arvicolidae rodents II. Differentiation and cellular organisation of the oncosphere. Acta Parasitologica, 46, 280-292.

Tkach V.V. , Snyder S.D., Swiderski Z. 2001. On the phylogenetic relationships of some members of Macroderoididae and Ochetosomatidae (Digenea, Plagiorchioidea). Acta Parasitologica, 46, 4, 267-275.

Snyder S.D., Tkach V.V. 2001. Phylogenetic and biogeographical relationships among some holarctic frog lung flukes (Digenea: Haematoloechidae). Journal of Parasitology, 87, N 6, 1433-1440.

Swiderski Z., Tkach V.V. 2002. Ultrastructure of the egg differntiation in the cestode Inermicapsifer madagascariensis. Acta Parasitologica, 47, 105-120.

Tkach V.V., Swiderski Z., Drozdz J., Demiaszkiewicz A. 2002. Molecular identification of Echinococcus granulosus from wild European beaver, Castor fiber (L.) from North-Eastern Poland.Acta Parasitologica, 47, 173-176.

Tkach V.V., Lotz J., Swiderski Z., Esteban J. G. 2002. On the systematic position of Ophiosacculus Macy, 1935 (Digenea: Lecithodendriidae), with the erection of the Ophiosacculinae n. subfam. Systematic Parasitology, 53, P.159-167.

Platt T.R., Tkach V.V. 2003. Two new species of Choanocotyle Jue Sue and Platt, 1998 (Digenea: Choanocotylidae) from an Australian freshwater turtle (Testudines: Pleurodira: Chelidae). Journal of Parasitology, 89, 145-150.

Tkach V. V., Snyder S.D. 2003. Acanthostomum macroclemydis n. sp. (Digenea: Cryptogonimidae: Acanthostomidae) from the alligator snapping turtle, Macroclemys temmincki. Journal of Parasitology, 89, 159-167.

Olson P.D., Cribb T.H., Tkach V.V., Bray R.A., Littlewood D.T.J. 2003. Phylogeny and classification of the Digenea (Platyhelminthes: Trematoda). International Journal for Parasitology, 33, 733-755.

Tkach V. V., Vasileva G. P., Genov T. 2003. Description of Vaucherilepis trichophorus sp. nov, gen. nov. (Cyclophyllidea, Hymenolepididae) from water shrews and gammarid crustaceans in Bulgaria and Ukraine. Acta Parasitologica, 48 (2), 87-97.

Kuzmin Y., Tkach V.V., Snyder S.D. 2003. The nematode genus Rhabdias (Nematoda: Rhabdiasidae) from amphibians and reptiles of the Nearctic. Comparative Parasitology, 70 (2), 101-114.

Tkach V. V., Littlewood D. T. J., Olson P. D., Kinsella J.M., Swiderski Z. 2003. Molecular phylogenetic analysis of the Microphalloidea Ward, 1901 (Trematoda: Digenea). Systematic Parasitology, 56, 1-15.

Zamparo D., Brooks D.R., Tkach V., Rodriguez B. 2004. Parallopharynx spp. (Trematoda: Digenea: Plagiorchioidea) in Iguanian lizards from the Area de Conservación Guanacaste, Guanacaste, Costa Rica, including P. matternae n. sp. in Basiliscus basiliscus (Squamata: Iguania: Corytophanidae). Journal of Parasitology, 90:359-363.

Vasileva G.P., Vaucher C., Tkach V.V., Genov T. 2004. Taxonomic revision of Hilmylepis Skryabin & Matevosyan, 1942 (Cyclophyllidea: Hymenolepididae). Systematic Parasitology, 59, 45-63.

Vasileva G.P., Tkach V.V., Genov T. 2005. Two new hymenolepid species (Cestoda: Hymenolepididae) from water shrews Neomys fodiens Pennant (Insectivora: Soricidae) in Bulgaria. Acta Parasitologica, 50, 56-64.

Zamparo D., Brooks D.R., Tkach V. 2005. Urotrema shirleyae n. sp. (Trematoda: Digenea: Urotrematidae) in Norops oxylophus and N. cupreus (Squamata: Iguania: Polychrotidae) from the Area de Conservación Guanacaste, Guanacaste, Costa Rica. Journal of Parasitology, 91, 648–652.

Gulyaev V.D., Tkach V.V. 2005. The Structure of the Rostellar Apparatus of Vigisolepis spinulosa (Cestoda, Cyclophyllidea, Hymenolepididae). Vestnik zoologii 39: 51–57 (in Russian with English summary).

Olson, P.D. and Tkach, V.V. 2005. Advances and trends in the molecular systematics of the parasitic Platyhelminthes. Advances in Parasitology 60: 165-243.

Kuzmin, Y., Tkach, V.V. and Vaughan, J.V. 2005. Rhabdias kongmongthaensis sp.n. (Nematoda: Rhabdiasidae) from Polypedates leucomystax (Amphibia: Anura: Rhacophoridae) in Thailand. Folia Parasitologica 52: 339-342.

Kinsella J.M., Tkach V.V. 2005. Notocotylus fosteri n. sp. (Trematoda: Notocotylidae) from the rice rat, Oryzomys palustris, in Florida. Acta Parasitologica, 50: 194-198.

Snyder S.D., Tkach V.V. 2006. Paradeuterobaris victoriae n. sp. (Digenea: Microscaphidiidae) and Buckarootrema minuta n. sp. (Digenea: Pronocephalidae) from the victoria River Red-Faced turtle, Emydura victoriae (Pleurodira: Chelidae) in Australia. Comparative Parasitology 73: 7-13.

Tkach V.V., Kuzmin Y., Pulis E.E. 2006. A new species of Rhabdias from lungs of the wood frog, Rana sylvatica, in North America: the last sibling of Rhabdias ranae? Journal of Parasitology 92: 631-636.

Tkach, V, V. , Snyder S.D. 2006. Doodytrema carettochelydis n. gen., n. sp. (Digenea: Microscaphidiidae) from the Pig-Nosed Turtle, Carettochelys insculpta (Pleurodira: Chelidae) in Australia", Comparative Parasitology 73: 165-171.

Curran S.S., Tkach V.V., Overstreet R.M. 2006. A review of Polylekithum Arnold, 1934 and its familial affinities using morphological and molecular data, with description of Polylekithum catahoulensis sp. nov. Acta Parasitologica 51: 238-248.

Kuzmin Y., Tkach, V, V., Brooks D.R. 2007. Two new species of Rhabdias (Nematoda: Rhabdiasidae) from the marine toad, Bufo marinus (L.) (Lissamphibia: Anura: Bufonidae), in Central America. Journal of Parasitology 93: 159-165.

Tkach, V, V., Snyder, S. D. 2007. Aptorchis megacetabulus n. sp. (Digenea: Plagiorchioidea) from the Northern Long-Necked Turtle, Chelodina rugosa, (Pleurodira: Chelidae) in Australia. Journal of Parasitology 73: 165–171.

Snyder, S. D., Tkach V.V. 2007. Neosychnocotyle maggiae n. gen, n. sp, (Platyhelminthes: Aspidogastrea) from freshwater turtles in northern Australia. Journal of Parasitology 93: 399-403.

Tkach V.V., Snyder S.D. 2007. Choanocotyle platti n. sp. from the northern long-necked turtle, Chelodina rugosa (Pleurodira: Chelidae) in Australia. Acta Parasitologica 52: 318-324.

Curran S.S., Overstreet R.M., Tkach V.V. 2007. Phylogenetic affinities of Plagiocirrus Van Cleave and Mueller, 1932 with the description of a new species from the Pascagoula River, Mississippi. Journal of Parasitology, 93: 1452-1458.

Tkach V.V., Snyder S.D. 2008. Aptorchis glandularis n. sp. (Digenea: Plagiorchioidea) from the Northwestern red-faced turtle, Emydura australis, (Pleurodira: Chelidae) in the Kimberley, Western Australia. Journal of Parasitology, 94: 918-924.

Blair, D., Tkach V.V. & Barton D.P. 2008. Family Troglotrematidae Odhner, 1914. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 277-289.

Tkach V.V. 2008. Family Choanocotylidae Jue Sue & Platt, 1998. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 339-342.

Tkach V.V. 2008. Family Encyclometridae (Mehra, 1931). In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 349-352.

Tkach V.V. 2008. Family Haematoloechidae Freitas & Lent, 1939. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 361-366.

Tkach V.V. 2008. Family Leptophallidae Dayal, 1938. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 367-371.

Tkach V.V. 2008. Family Mesotretidae Poche, 1936. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 385-386.

Tkach V.V. 2008. Family Thrinascotrematidae Jue Sue & Platt, 1999. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 437-439.

Tkach V.V. 2008. Family Glypthelminthidae Cheng, 1959. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 357-360.

Tkach V.V. 2008. Family Omphalometridae (Looss, 1899). In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 391-399.

Tkach V.V. 2008. Family Opisthogonimidae Travassos, 1928. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 401-405.

Tkach V.V. 2008. Family Plagiorchiidae Lühe, 1901. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 295-325.

Tkach V.V. 2008. Family Reniferidae Pratt, 1902. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 411-419.

Tkach V.V. 2008. Family Styphlotrematidae Baer, 1924. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 421-423.

Tkach V.V. 2008. Genera insertae sedis. In: Keys to the Trematoda. Vol.3. (Eds R.A.Bray, D.I.Gison, A. Jones), CAB International, Cambridge, UK, 736-752.

Tkach V.V., Strand E.J., Froese L. 2008. Macroderoides texanus n. sp. (Digenea: Macroderoididae) from alligator gar, Atractosteus spatula in Texas. Rarasitology Research, 94: 27-33.

Kuzmin, Y., Tkach, V.V. 2008. Rhabdias pearsoni sp. n. (Nematoda, Rhabdiasidae) from keelback, Tropidonophis mairii (Reptilia: Colubridae) in Australia. Vestnik Zoologii, 42, 95-100.

Kinsella J.M., Tkach V.V. 2009. Checklist of helminth parasites of Soricomorpha (=Insectivora) of North America north of Mexico. Zootaxa,1969: 36-58.

Snyder S.D. and Tkach V.V. 2009. Haplorchis popelkae n. sp. (Digenea: Heterophyidae) from short-necked turtles (Chelidae) in northern Australia. Journal of Parasitology, 95, 204-207.

Tkach V.V., Snyder S.D. and Vaughan J.A. 2009. A new species of blood fluke (Digenea: Spirorchiidae) from the Malayan box turtle, Cuora amboinensis (Cryptodira: Geomydidae) in Thailand. Journal of Parasitology, 95, 743-746.

Kinsella J.M., Tkach V.V. 2009.Molecular identification of an avian dicrocoeliid, Brachylecithum mosquensis, from a vagrant shrew, Sorex vagrans, from Montana. Comparative Parasitology, in press.

de Chambrier A., Coquille S. C., Mariaux J. and Tkach V.V. 2009. Redescription of Testudotaenia testudo (Magath, 1924) (Eucestoda: Proteocephalidea), a parasite of Apalone spinifera (Le Sueur) (Reptilia: Trionychidae) and Amia calva L. (Pisces: Amiidae) in North America and erection of the Testudotaeniinae n. subfam. Systematic Parasitology, 73, 49-64.

Kuzmin, Y., Tkach, V.V., Snyder, S.D., Maier, M.D. 2009. Camallanus tuckeri sp. n. (Nematoda, Camallanidae) from freshwater turtles (Pleurodira: Chelidae), in the Kimberley, Western Australia. Comparative Parasitology, 76: 133-140.

Tkach, V.V., Kuzmin, Y., Snyder, S.D. Krefftascaris Sprent, 1980 (Nematoda: Ascaridoidea) from Australian side-necked turtles (Pleurodira: Chelidae) with description of Krefftascaris sharpiloi sp. nov. from Chelodina rugosa, Vestnik Zoologii, in press.

Snyder S.D. and Tkach V.V. Aptorchis kuchlingi n. sp. (Digenea: Plagiorchioidea) from the Oblong Turtle, Chelodina oblonga, (Pleurodira: Chelidae) in Western Australia. Comparative Parasitology, in press.

Vasyl V. Tkach
Department of Biology
University of North Dakota
10 Cornell Street, Stop 9019, Starcher Hall
Grand Forks, ND 58202-9019
USA