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{{short description|English entomologist of Russian descent}}
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'''Nadejda "Nadia" Waloff''' (2 September 1909 – 5 June 2001) was a Russian-born English entomologist. She worked on the biology of locusts, flight and dispersal in the Hemiptera, and taught at the [[Imperial College London|Imperial College]].
{{Use dmy dates|date=April 2022}}
{{Infobox person
| name = Nadia Waloff
| birth_date = 2 September 1909
| birth_place = [[Saint Petersburg|St. Petersburg]], Russian Empire
| death_date = 5 June 2001
| death_place =
| nationality = British
| alma_mater = [[Imperial College London]]
| occupation = Entomologist
}}
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'''Nadejda "Nadia" Waloff''' [[Royal Entomological Society|FRES]] (2 September 1909 – 5 June 2001) was a Russian-born English [[Entomology|entomologist]]. She worked on the biology of [[locust]]s, flight and dispersal of the [[Hemiptera]], and taught at [[Imperial College London|Imperial College]], [[Silwood Park]] campus.


Nadia was born in [[Saint Petersburg|St. Petersburg]] on 2 September 1909. Her family fled in 1919 and took refuge in Britain. After her mother died in 1926 and her father moved to Romania, Sir [[Boris Uvarov]], who was the director of the [[Anti-Locust Research Centre]] in London, took in Nadia, her sister Zena (died 1991,) and two brothers. An early interest in entomology led her and Zena to study at the Imperial College. After earning her bachelor’s degree, Nadia taught at a school for a number of years.<ref name=":0">{{Citation|title=Waloff, Nadejda|date=2008|url=https://doi.org/10.1007/978-1-4020-6359-6_2612|encyclopedia=Encyclopedia of Entomology|pages=4135|editor-last=Capinera|editor-first=John L.|place=Dordrecht|publisher=Springer Netherlands|language=en|doi=10.1007/978-1-4020-6359-6_2612|isbn=978-1-4020-6359-6|access-date=2021-06-11 }}</ref>
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Nadia was born in [[Saint Petersburg|St. Petersburg]] and her family fled in 1919 and took refuge in Britain. Along with her sister Zena and two brothers she was taken care of by [[Boris Uvarov]], who was the director of the [[Anti-Locust Research Centre]] in London. An early interest in entomology led her and Zena to study at the Imperial College. Nadia worked on pests at the Slough laboratory and received a Ph.D and Sc.D from Imperial College. She was known for her teaching ability and conducted research on the [[diapause]] of flour moths, and the ecology and population dynamics of various insects. Some of other research included studies on the dispersal and flight of Hemiptera including leafhoppers.<ref>{{cite journal|author=Waloff, N.|year=1973|title=Dispersal by flight of leafhoppers (Auchenorrhyncha: Homoptera)|url=http://ag.udel.edu/delpha/4601.pdf|journal=Journal of Applied Ecology|volume=10|pages=705–730}}</ref> She examined the factors contributing to wing polymorphism, the presence of wingless, short-winged and long-winged forms in relation to habitats and life-history. She suggested that trees and woody plants are architecturally more complex with leaves being widely separated and making flight more important. This she suggested would explain the observation that cicadas and other arboreal hemiptera rarely had winglessness.<ref>{{cite journal|author=Waloff, N.|first=|date=|year=1983|title=Absence of wing polymorphism in the arboreal, phytophagous species of some taxa of temperate Hemiptera: an hypothesis|url=|journal=Ecological Entomology|volume=8|pages=229–232|doi=10.1111/j.1365-2311.1983.tb00502.x|via=}}</ref> She was also among the first to use radioactive [[Phosphorus-35|P]]-35 tracers to observe the dispersal of [[Miridae|mirid]] bugs.<ref>{{Cite journal|last=Lewis|first=C. T.|last2=Waloff|first2=N.|date=1964|title=The use of radioactive tracers in the study of dispersion of Orthotylus virescens (Douglas & Scott) (Miridae, Heteroptera)|url=http://doi.wiley.com/10.1111/j.1570-7458.1964.tb00723.x|journal=Entomologia Experimentalis et Applicata|language=en|volume=7|issue=1|pages=15–24|doi=10.1111/j.1570-7458.1964.tb00723.x|via=}}</ref><ref>{{Cite journal|last=Waloff|first=N.|date=1979|title=Partitioning of resources by grassland leafhoppers (Auchenorrhyncha, Homoptera)|url=|journal=Ecological Entomology|language=en|volume=4|issue=4|pages=379–385|doi=10.1111/j.1365-2311.1979.tb00597.x|issn=0307-6946|via=}}</ref> She retired in 1978.<ref>{{cite journal|author1=Jones, T.|author2=Southwood, R.|year=2002| title=Dr. Nadejda Waloff FRES (Hon) (1909–2001)|journal= Antenna|volume= 26|pages=6–9}}</ref>


In 1946, Nadia began her work on pests at the Slough laboratory and received a Ph.D and Sc.D from Imperial College. She was known for her exceptional teaching ability and she also conducted research on the [[diapause]] of flour moths, the ecology and population dynamics of various insects.<ref name=":0" /> Some of her significant research included studies on the dispersal and flight of Hemiptera including [[leafhopper]]s.<ref>{{cite journal|author=Waloff, N.|year=1973|title=Dispersal by flight of leafhoppers (Auchenorrhyncha: Homoptera)|url=http://ag.udel.edu/delpha/4601.pdf|journal=Journal of Applied Ecology|volume=10|issue=3|pages=705–730|doi=10.2307/2401864|jstor=2401864}}</ref>
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The grasshopper ''Oedaleus nadiae'' was named after her.<ref>{{cite journal|author=Ritchie, J. Mark| title=A taxonomic revision of the genus Oedaleus Fieber (Orthoptera: Acrididae)|pages=83–184 |url=https://archive.org/details/bulletinofbritis42entolond/page/146|journal= Bulletin of the British Museum (Natural History)|volume=42| year=1981}}</ref>


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She examined the factors contributing to wing polymorphism, the presence of wingless, short-winged and long-winged forms in relation to habitats and life-history. She suggested that trees and woody plants are architecturally more complex with leaves being widely separated and making flight more important. This she suggested would explain the observation that cicadas and other arboreal hemiptera rarely had wingless forms.<ref>{{cite journal|author=Waloff, N.|year=1983|title=Absence of wing polymorphism in the arboreal, phytophagous species of some taxa of temperate Hemiptera: an hypothesis|journal=Ecological Entomology|volume=8|issue=2|pages=229–232|doi=10.1111/j.1365-2311.1983.tb00502.x|s2cid=83833159}}</ref> She was also among the first to use radioactive phosphorus, [[Phosphorus-35|P]]-35, tracers to study the dispersal of [[Miridae|mirid]] bugs.<ref>{{Cite journal|last1=Lewis|first1=C. T.|last2=Waloff|first2=N.|date=1964|title=The use of radioactive tracers in the study of dispersion of Orthotylus virescens (Douglas & Scott) (Miridae, Heteroptera)|journal=Entomologia Experimentalis et Applicata|language=en|volume=7|issue=1|pages=15–24|doi=10.1111/j.1570-7458.1964.tb00723.x|s2cid=83843785}}</ref><ref>{{Cite journal|last=Waloff|first=N.|date=1979|title=Partitioning of resources by grassland leafhoppers (Auchenorrhyncha, Homoptera)|journal=Ecological Entomology|language=en|volume=4|issue=4|pages=379–385|doi=10.1111/j.1365-2311.1979.tb00597.x|s2cid=85176543|issn=0307-6946}}</ref>
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==References==
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{{reflist}}


Waloff retired in 1978, but in 1990, she was still publishing as a member of the Department of Pure and Applied Biology, at the Imperial College.<ref>{{cite journal|author1=Jones, T.|author2=Southwood, R.|year=2002| title=Dr. Nadejda Waloff FRES (Hon) (1909–2001)|journal= Antenna|volume= 26|pages=6–9}}</ref>
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{{authority control}}


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The grasshopper ''Oedaleus nadiae'' was named after her.<ref>{{cite journal|author=Ritchie, J. Mark| title=A taxonomic revision of the genus Oedaleus Fieber (Orthoptera: Acrididae)|pages=83–184 |url=https://archive.org/details/bulletinofbritis42entolond/page/146|journal= Bulletin of the British Museum (Natural History)|volume=42| year=1981}}</ref>


== Selected publications ==
{{entomologist-stub}}
Waloff published under both her given name, Nadejda, and her preferred name, Nadia.


* Waloff, Nadejda. "The mechanisms of humidity reactions of terrestrial isopods." ''Journal of Experimental Biology'' 18.2 (1941): 115-135.
* Richards, O. W., and Nadia Waloff. "The study of a population of Ephestia elutella Hübner (Lep., Phycitidae) living on bulk grain." ''Transactions of the Royal Entomological Society of London'' 97.11 (1946): 253-298.
* Richards, Owain Westmacott, and Nadejda Waloff. "A study of a natural population of Phytodecta olivacea (Forster)(Coleoptera, Chrysomeloidea)." ''Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences'' 244.710 (1961): 205-257.
* Waloff, Nadia. "Studies on the insect fauna on Scotch broom Sarothamnus scoparius (L.) Wimmer." ''Advances in ecological research''. Vol. 5. Academic Press, 1968. 87-208.
* Mound, Laurence Alfred, and Nadia Waloff. "Diversity of insect faunas;(papers of the ninth Symposium of the Royal Entomological Society held in London, on 22-23 Sep 1977)." (1978).
* Waloff, Nadia, ed. "Diversity of insect faunas." Royal Entomological Society, 1978.
* Waloff, Nadia, and G B Popov. "Sir Boris Uvarov (1889-1970): The Father of Acridology." Annual Review of Entomology 1990 35:1, 1-26

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==References==
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{{reflist}}


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{{Authority control}}


{{DEFAULTSORT:Waloff, Nadia}}
[[Category:British entomologists]]
[[Category:British entomologists]]
[[Category:Women entomologists]]
[[Category:Women entomologists]]
[[Category:Fellows of the Royal Entomological Society]]
[[Category:20th-century English women scientists]]
[[Category:White Russian emigrants to the United Kingdom]]
[[Category:Scientists from Saint Petersburg]]
[[Category:Alumni of Imperial College London]]
[[Category:Academics of Imperial College London]]
[[Category:1909 births]]
[[Category:2001 deaths]]
[[Category:20th-century British zoologists]]

Latest revision as of 00:57, 4 November 2024

Nadia Waloff
Born2 September 1909
St. Petersburg, Russian Empire
Died5 June 2001
NationalityBritish
Alma materImperial College London
OccupationEntomologist

Nadejda "Nadia" Waloff FRES (2 September 1909 – 5 June 2001) was a Russian-born English entomologist. She worked on the biology of locusts, flight and dispersal of the Hemiptera, and taught at Imperial College, Silwood Park campus.

Nadia was born in St. Petersburg on 2 September 1909. Her family fled in 1919 and took refuge in Britain. After her mother died in 1926 and her father moved to Romania, Sir Boris Uvarov, who was the director of the Anti-Locust Research Centre in London, took in Nadia, her sister Zena (died 1991,) and two brothers. An early interest in entomology led her and Zena to study at the Imperial College. After earning her bachelor’s degree, Nadia taught at a school for a number of years.[1]

In 1946, Nadia began her work on pests at the Slough laboratory and received a Ph.D and Sc.D from Imperial College. She was known for her exceptional teaching ability and she also conducted research on the diapause of flour moths, the ecology and population dynamics of various insects.[1] Some of her significant research included studies on the dispersal and flight of Hemiptera including leafhoppers.[2]

She examined the factors contributing to wing polymorphism, the presence of wingless, short-winged and long-winged forms in relation to habitats and life-history. She suggested that trees and woody plants are architecturally more complex with leaves being widely separated and making flight more important. This she suggested would explain the observation that cicadas and other arboreal hemiptera rarely had wingless forms.[3] She was also among the first to use radioactive phosphorus, P-35, tracers to study the dispersal of mirid bugs.[4][5]

Waloff retired in 1978, but in 1990, she was still publishing as a member of the Department of Pure and Applied Biology, at the Imperial College.[6]

The grasshopper Oedaleus nadiae was named after her.[7]

Selected publications

[edit]

Waloff published under both her given name, Nadejda, and her preferred name, Nadia.

  • Waloff, Nadejda. "The mechanisms of humidity reactions of terrestrial isopods." Journal of Experimental Biology 18.2 (1941): 115-135.
  • Richards, O. W., and Nadia Waloff. "The study of a population of Ephestia elutella Hübner (Lep., Phycitidae) living on bulk grain." Transactions of the Royal Entomological Society of London 97.11 (1946): 253-298.
  • Richards, Owain Westmacott, and Nadejda Waloff. "A study of a natural population of Phytodecta olivacea (Forster)(Coleoptera, Chrysomeloidea)." Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences 244.710 (1961): 205-257.
  • Waloff, Nadia. "Studies on the insect fauna on Scotch broom Sarothamnus scoparius (L.) Wimmer." Advances in ecological research. Vol. 5. Academic Press, 1968. 87-208.
  • Mound, Laurence Alfred, and Nadia Waloff. "Diversity of insect faunas;(papers of the ninth Symposium of the Royal Entomological Society held in London, on 22-23 Sep 1977)." (1978).
  • Waloff, Nadia, ed. "Diversity of insect faunas." Royal Entomological Society, 1978.
  • Waloff, Nadia, and G B Popov. "Sir Boris Uvarov (1889-1970): The Father of Acridology." Annual Review of Entomology 1990 35:1, 1-26

References

[edit]
  1. ^ a b Capinera, John L., ed. (2008), "Waloff, Nadejda", Encyclopedia of Entomology, Dordrecht: Springer Netherlands, p. 4135, doi:10.1007/978-1-4020-6359-6_2612, ISBN 978-1-4020-6359-6, retrieved 11 June 2021
  2. ^ Waloff, N. (1973). "Dispersal by flight of leafhoppers (Auchenorrhyncha: Homoptera)" (PDF). Journal of Applied Ecology. 10 (3): 705–730. doi:10.2307/2401864. JSTOR 2401864.
  3. ^ Waloff, N. (1983). "Absence of wing polymorphism in the arboreal, phytophagous species of some taxa of temperate Hemiptera: an hypothesis". Ecological Entomology. 8 (2): 229–232. doi:10.1111/j.1365-2311.1983.tb00502.x. S2CID 83833159.
  4. ^ Lewis, C. T.; Waloff, N. (1964). "The use of radioactive tracers in the study of dispersion of Orthotylus virescens (Douglas & Scott) (Miridae, Heteroptera)". Entomologia Experimentalis et Applicata. 7 (1): 15–24. doi:10.1111/j.1570-7458.1964.tb00723.x. S2CID 83843785.
  5. ^ Waloff, N. (1979). "Partitioning of resources by grassland leafhoppers (Auchenorrhyncha, Homoptera)". Ecological Entomology. 4 (4): 379–385. doi:10.1111/j.1365-2311.1979.tb00597.x. ISSN 0307-6946. S2CID 85176543.
  6. ^ Jones, T.; Southwood, R. (2002). "Dr. Nadejda Waloff FRES (Hon) (1909–2001)". Antenna. 26: 6–9.
  7. ^ Ritchie, J. Mark (1981). "A taxonomic revision of the genus Oedaleus Fieber (Orthoptera: Acrididae)". Bulletin of the British Museum (Natural History). 42: 83–184.
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