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22.771 Keywords • 48.569 Synonyms • 5.298 Translations • 7.910 Pronunciations • 150.813 Cross-references

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Fitch Asa

The American scientist Asa Fitch (1809-1879) first studied natural history and medicine, and later also agriculture and entomology (entomology). In New York State, in 1838, he began collecting and examining insects. Finally, in 1854, he became the first professional entomologist of the New York State Agricultural Society. In 1855 he described for the first time under the name "Pemphigus vitifolius" the phylloxera as one at North American Wild vines parasitizing "insignificant insect". Later, however, he later called her "Phylloxera vitifoliae". His extensive studies of many insects later helped other scientists solve some of the problems of crop damage caused by insects. His numerous written records are now owned by the "Smithsonian Institution" in Washington DC. Another significant entomologist related to phylloxera was Charles Valentine Riley (1843-1895).

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