biology

Henri Tournier

Henri Tournier 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 Henri Tournier rather than just read about it. In short: Henri Tournier (1834 – 27 August 1904) was a Swiss entomologist. He was a dealer in Peney, Satigny.

Key takeaways

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

Reference excerpt

Henri Tournier (1834 – 27 August 1904) was a Swiss entomologist. He was a dealer in Peney, Satigny. Tournier described many new species of Hymenoptera and Coleoptera.

Selected works

Coleoptera 1868 Description des Dascillides du bassin du Léman. 95 pp., 4 pls. Georg, Bale & Genève. F. Savy, Paris (Association Zoologique du Léman. Année 1867). 1874 Materiaux pour servir a la monographie de la tribu des Erirhinides de la famille des Curculionides (Coleopteres). Annales de la Societe Entomologique de Belgique, vol.17, no. I, pp. 63–116.

Hymenoptera 1889 Hymenoptéres, famille des Scolides: Monographie des espéces europeennes et des contres limitrophes du genre Tiphia Fabr. Ann. Soc. Entomol. Belg. 33: 1–35. 1889 Deux Hyménoptères nouveaux. Comptes rendus des Séances de la société entomologique de Belgique 33:23–24. 1889 Études Hyménoptèrologiques; de quelques Pompilides d'Europe et contrées limitrophes. L’Entomologiste Genevois. 1:133-140,154-178, 194–219. 1889 Hyménoptères. Descriptions d'espèces nouvelles et remarques diverses. L’Entomologiste Genevois 1: 11–18, 2: 35–45, 3: 56–69, 4: 93–96, 5: 102–115, 6-8:124–140. 1891 Descriptions d'espèces nouvelles L’Entomologiste Genevois. 1:194–219. 1895 Table synoptique des especes européennes et circa-européennes du genre Ferreola. Soc. Ent. France, Bull.:11–13.

References de Beaumont, J. 1946–1947. Les Pompilides de la collection H. Tournier. Pompilinae de l'Europe centrale. Bulletin de la Société entomologique de Suisse 20:161–181.

Worked examples

Example 1 — a first encounter with Henri Tournier

Start with the simplest possible case. Write down what Henri Tournier 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 Henri Tournier 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 Henri Tournier 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 Henri Tournier

In research: Henri Tournier 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 Henri Tournier 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: Henri Tournier is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1834 births, 1904 deaths, Entomologist stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Henri Tournier 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 Henri Tournier in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Henri Tournier means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Henri Tournier out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Henri Tournier in simple terms?

Henri Tournier (1834 – 27 August 1904) was a Swiss entomologist. He was a dealer in Peney, Satigny.

Why does Henri Tournier 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 Henri Tournier?

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 Henri Tournier.