biology

Nadia Waloff

Nadia Waloff is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Nadia Waloff rather than just read about it. In short: 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.

Key takeaways

Nadia Waloff belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Nadia Waloff to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Nadia Waloff from memory before moving on to harder problems.

Reference excerpt

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. 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. Some of her significant research included studies on the dispersal and flight of Hemiptera including leafhoppers. 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. She was also among the first to use radioactive phosphorus, P-35, tracers to study the dispersal of mirid bugs. Waloff retired in 1978, but in 1990, she was still publishing as a member of the Department of Pure and Applied Biology, at the Silwood Park campus of Imperial College. The grasshopper Oedaleus nadiae was named after her.

Selected publications 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

Worked examples

Example 1 — a first encounter with Nadia Waloff

Start with the simplest possible case. Write down what Nadia Waloff claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Nadia Waloff before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Nadia Waloff ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Nadia Waloff

In research: Nadia Waloff appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Nadia Waloff in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Nadia Waloff is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1909 births, 2001 deaths, 20th-century British women biologists, so understanding it makes those chapters shorter.
In everyday life: Look for Nadia Waloff outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Nadia Waloff in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Nadia Waloff means in your own words.
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Frequently asked questions

What is Nadia Waloff in simple terms?

Why does Nadia Waloff matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Nadia Waloff?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Nadia Waloff.