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Vasyl V. Tkach

Cornell University · US
Area of research
Ecology · Parasitology
Research interest
Research interests include Parasite Biology and Host Interactions, Helminth infection and control, Parasites and Host Interactions, and Bird parasitology and diseases.
h-index
38
citations
7,541
works
344
NIH funding
primary concept
email

Recent publications

Description of a New Genus and Species of Cyathocotylid Digeneans from Australia.
2026cited by 0position: contributordoi
The most unusual diplostomoideans from atypical hosts: Pipatrema mirabilis n. sp., n. g. (Digenea: Diplostomidae) from Pipa pipa (Amphibia: Pipidae) in Brazil and a related species from fish in Argentina
Current Research in Parasitology & Vector-Borne Diseases 2026cited by 0position: contributordoi
Recent advances and current state of knowledge of phylogenetics and systematics of the Diplostomoidea with a proposal of a new classification system and a key to genera
Journal of Helminthology 2025cited by 9position: lastdoi
Challenges in the recognition of trematode species: Consideration of hypotheses in an inexact science.
2025cited by 6position: contributordoi
A RE-EVALUATION OF ZYGOCOTYLE (DIGENEA, PARAMPHISTOMOIDEA) BASED ON NEW GENETIC DATA SUPPORTS ITS SYNONYMIZATION WITH WARDIUS.
2025cited by 3position: contributordoi
Host switching at water edge: phylogeny and systematics of diplostomids (Digenea: Diplostomidae) from passeriform and cuculiform birds in South America
Systematics and Biodiversity 2025cited by 3position: contributordoi
Crassiphiala bulboglossa
Trends in Parasitology 2025cited by 2position: contributordoi
Recent advances and current state of knowledge of phylogenetics and systematics of the Diplostomoidea with a proposal of a new classification system and a key to genera.
2025cited by 1position: contributordoi
Haemosporidian infection risk and community structure determined by duck feeding guild.
2025cited by 1position: contributordoi
Remarks on the diversity of Hysteromorpha Lutz 1931 (Digenea, Diplostomidae), with erection of a new species from South America.
2025cited by 1position: contributordoi
The phylogenetic position of the unusual diplostomoidean genus <i>Schwartzitrema</i> Vigueras, 1941 (Digenea, Diplostomoidea) and description of 2 new species from Neotropics.
2025cited by 0position: contributordoi
The first phylogenetic reconstruction of Nippostrongylinae (Nematoda: Heligmonellidae) reveals 3 new genera, the polyphyletic nature of <i>Carolinensis</i> and <i>Vexillata</i>, and identifies 5 clades with varying associations with mammals.
2025cited by 0position: contributordoi
Description of two new species of <i>Psilochasmus</i> Lühe, 1909 (Digenea, Psilostomidae), with remarks on the diversity of the genus and a key to its species.
2025cited by 0position: contributordoi
Phylogenetic Analysis of Pseudapatemon spp. (Digenea: Diplostomoidea) Reveals a Lineage Specific to Scolopacid Shorebirds.
2025cited by 0position: contributordoi
A new species of <i>Trichobilharzia</i> (Digenea: Schistosomatidae) from <i>Mareca sibilatrix</i> (Aves: Anatidae), an endemic South American duck.
2025cited by 0position: contributordoi
Description of Ornithodoros (Pavlovskyella) tartakovskyi using scanning electron microscopy, with notes on the morphology of Pavlovskyella sensu stricto and Theriodoros subgenera
Ticks and Tick-borne Diseases 2024cited by 3position: contributordoi
Expanding on <i>expansus</i>: a new species of <i>Scaphanocephalus</i> from North America and the Caribbean based on molecular and morphological data.
2024cited by 2position: contributordoi
Uncovering further diversity of Ochoterenatrema Caballero, 1943 (Digenea: Lecithodendriidae) in South American bats.
2024cited by 2position: contributordoi
Checklist of helminth parasites of Chiroptera of North America north of Mexico
Zootaxa 2024cited by 2position: contributordoi
Description and Phylogenetic Relationships of Anhingatrema n. gen. (Digenea: Diplostomidae) with Two New Species from New World Anhingas (Aves: Anhingidae).
2023cited by 9position: contributordoi
A global survey of tapeworms (Cestoda: Proteocephalidae) of 'true' frogs (Amphibia: Ranidae), including a tabulated list of all proteocephalids parasitising amphibians.
2023cited by 6position: contributordoi
Phylogenetic relationships and further unknown diversity of diplostomids (Diplostomida: Diplostomidae) parasitic in kingfishers.
2023cited by 5position: contributordoi
Jumping continents and major host lineages: phylogeny and diversity of the enigmatic Cryptotropidae (Platyhelminthes: Digenea).
2023cited by 3position: contributordoi
TAPEWORMS (CESTODA: OPHIOTAENIA) FROM THE NORTHERN COTTONMOUTH (AGKISTRODON PISCIVORUS).
2023cited by 3position: contributordoi
Molecular phylogeny of Diplostomum, Tylodelphys, Austrodiplostomum and Paralaria (Digenea: Diplostomidae) necessitates systematic changes and reveals a history of evolutionary host switching events
International Journal for Parasitology 2022cited by 49position: contributordoi
A NEW GENUS OF DIPLOSTOMIDS (DIGENEA: DIPLOSTOMOIDEA) FROM THE NILE CROCODILE IN SOUTH AFRICA WITH A KEY TO DIPLOSTOMID GENERA.
2022cited by 9position: contributordoi
Molecular phylogenetic analysis of &lt;i&gt;Neodiplostomum&lt;/i&gt; and &lt;i&gt;Fibricola&lt;/i&gt; (Digenea, Diplostomidae) does not support host-based systematics.
2022cited by 9position: contributordoi
Phylogenomics and Diversification of the Schistosomatidae Based on Targeted Sequence Capture of Ultra-Conserved Elements.
2022cited by 9position: contributordoi
A New Species of Prosorhynchoides Dollfus, 1929 (Digenea: Bucephalidae) Infecting Chain Pickerel, Esox niger Lesueur, 1818 (Perciformes: Esocidae), from the Pascagoula River, Mississippi, U.S.A., with Phylogenetic Analysis and Nucleotide-Based Elucidation of a Three-Host Life Cycle
Comparative Parasitology 2022cited by 5position: middledoi
The life cycle of Philophthalmus aylacostoma n. sp. (Trematoda: Philophthalmidae), a new eye fluke species transmitted by Aylacostoma spp. (Gastropoda: Thiaridae) in Brazil.
2022cited by 2position: contributordoi

Grants

Collaborative Research: Southern Amazonian birds and their symbionts: Biodiversity and endemicity of parasites from the most diverse avifauna on Earth
NSF1120734$263,7002011–2017PIRePORTER
COLLABORATIVE RESEARCH: REVSYS: Revisionary systematics and evolutionary biology of an avian schistosome clade (Platyhelminthes: Schistosomatidae)
NSF1021431$183,4322010–2016PIRePORTER
Collaborative Research: Parasites of Australian Turtles: Unknown Aspects of Biodiversity
NSF0515492$218,1492005–2010PIRePORTER

Frequent collaborators

· 36 papers (2019–2026) · 14 papers (2021–2026)Alan Fecchio · Elsevier, Inc.10 papers (2019–2025) · 9 papers (2019–2026)Jeffrey A. Bell · Southeastern Louisiana University4 papers (2015–2021)Martin M. Montes · Public Library of Science4 papers (2025–2026)Jason D. Weckstein · Drexel University3 papers (2015–2019)Holly L. Lutz · Denver Museum of Nature and Science3 papers (2015–2019)Holly L. Lutz · Scripps (United States)3 papers (2019–2020)Nicholas Clark · The University of Queensland3 papers (2019–2021)Jason D Weckstein · Academy of Natural Sciences of Drexel University3 papers (2019–2021)Francisco Tiago de Vasconcelos Melo · Springer Nature3 papers (2021–2026)Pablo Oyarzún-Ruiz · University of Concepción3 papers (2022–2025)Sarah A. Orlofske · Springer Nature3 papers (2022–2025)Alan Fecchio · Drexel University3 papers (2019–2021)Dana M. Calhoun · University of Colorado Boulder2 papers (2018–2022)Tyler J. Achatz · Georgia State University2 papers (2021–2025) · 2 papers (2015–2021)Nicholas J. Clark · University of Queensland2 papers (2019–2019)Rafal Ploski · Medical University of Warsaw2 papers (2019–2020)