István Andrássy (5 May 1927, Szolnok, Hungary - 4 August 2012, Budapest) was a Hungarian nematologist. Starting with his first publication in 1952 on the nematode fauna of Mount Bükk, over his dissertation in 1973 on the evolution of nematodes (published as ) to his last days he was a very prolific scientist, publishing more than 200 manuscripts, chapters and books on the class of Nematoda. He described 530 taxa of nematodes and at least 60 nematode taxa are named after him, which shows the huge respect he had in the nematologists world. Andrassya Brzeski, 1960 Afrodorylaimus andrassyi Zullini, 1973 Aglenchus andrassyi Sultan, 1986 Alaimus andrassyi Sabová, 1967 AllodorylImus andrassyi (Meyl, 1955) Andrássy, 1986 (=Dorylaimus andrassyi Meyl, 1955) Andrassya Brzeski, 1960 Anatonchus istvani Winiszewska-Slipinska, 1989 Afrodorylaimus andrassyi Zullini, 1973 Aglenchus andrassyi Sultan, 1986 Alaimus andrassyi Sabová, 1967 AllodorylImus andrassyi (Meyl, 1955) Andrássy, 1986 (=Dorylaimus andrassyi Meyl, 1955) Anatonchus istvani Winiszewska-Slipinska, 1989 Aphelenchoides andrassyi Husain & Khan, 1967 Aulolaimoides andrassyi Goseco, Ferris & Ferris, 1975 Aulolaimus andrassyi Eliava & Eliashvili, 1973 Bursaphelenchus andrassyi Dayi, Calin, Arkbulut, Gu, Schroder, Veira & Braasch, 2014 Calodorylaimus andrassyi Baqri & Jana, 1983 Calcaridorylaimus andrassyi Ahmad & Shaheen, 2004 Caviputa andrassyi Sabová, 1967 Chiloplectus andrassyi (Timm, 1971) Andrássy, 1984 (=Plectus andrassyi Timm, 1971) Chronogaster andrassyi Loof & Jairajpuri, 1965 Coslenchus andrassyi Brzeski, 1987 Deladenus andrassyi Vinciguerra, 1972 Diplogasteroides andrassyi Kanzaki, Tanaka, Hirooka & Maehara, 2013 Discolaimium andrassyi Baqri & Khera, 1975 Discolaimus andrassyi Abou El Naga, 1989 Discomyctus andrassyi Siddiqi, 1998 Dorylaimellus andrassyi Heyns, 1963 Ektaphelenchoides andrassyi Atighi, Pourjam, Aliramaji, Ye & Pedram, 2013 Etamphidelus andrassyi Vinciguerra & Clausi, 1990 Eumonhystera andrassyi (Bíró, 1969) Andrássy, 1981 (=Monhystera andrassyi Bíró, 1969) Eutobrilus andrassyi (Altherr, 1963) Tsalolikhin, 1981 (=Tobrilus andrassyi Altherr, 1963) Filenchus andrassyi (Szczygiel, 1969) Andrássy, 1979 (=Tylenchus andrassyi Szczygiel, 1969) Filenchus istvani Zell, 1988 Glauxinema andrassyi (Timm, 1961) Andrássy, 1984 (=Diplogaster (Eudiplogaster) andrassyi Timm, 1961; Mononchoides andrassyi (Timm, 1961) Gagarin, 1998) Hemicycliophora andrassyi Brzeski, 1974 Isolaimium andrassyi Hogewind & Heyns, 1967 Labronema andrassyi Gagarin, 1992 Malenchus andrassyi Merny, 1971 Mesodorylaimus andrassyi Ahmad & Ahmad, 1999 Metarhabditis andrassyana Tahseen, Hussain, Tomar, Shah & Jairajuri, 2004 Mylonchulus andrassyi Loof, 1992 Neothada cancellata (Thorne, 1942) Khan, 1973 (=Neothada andrassyi Heyns & Van den Berg, 1996) Nothacrobeles istvani Boström & Holovachov, 2013 Nothacrobeles.
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