biology

Long-tailed skipper

Long-tailed skipper 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 Long-tailed skipper rather than just read about it. In short: The long-tailed skipper (Urbanus proteus) is a spread-winged skipper butterfly found throughout tropical and subtropical South America, south to Argentina and north into the eastern United States and southern Ontario. It cannot live in areas with prolonged frost.

Key takeaways

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

Reference excerpt

The long-tailed skipper (Urbanus proteus) is a spread-winged skipper butterfly found throughout tropical and subtropical South America, south to Argentina and north into the eastern United States and southern Ontario. It cannot live in areas with prolonged frost. It is a showy butterfly, with wings of light brown tinted with iridescent blue, and two long tails extending from the hindwings. The robust body is light blue dorsally. It has a large head, prominent eyes, and a wingspan between 4.5 and 6 centimeters.

Life cycle It lays white or yellow eggs, singly or in small clusters, which hatch into a caterpillar with a yellowish body and large, dark head. After two to three weeks, the caterpillar forms a pupa. Its pupa is contained in a rolled leaf and covered in fine bluish hairs. The pupa stage may last from one to three weeks, after which the adult emerges. The caterpillar of this skipper is a common pest of crops, especially beans, in the southern United States. For this reason, it is sometimes called the bean leafroller in that area. The caterpillars feed on leaves of plants in the legume family such as such as wisteria and butterfly peas as and then roll the leaves around themselves, lining the cavity with silk, to pupate. The adults feed on nectar from flowers. Natural enemies of this species include wasp and fly parasitoids, and the Florida predatory stink bug, (Euthyrhynchus floridanus). In the fall, a nuclear polyhedrosis virus killed up to 50% of the larvae.

Sub-species U. p. domingo flies in the Bahamas and throughout the West Indies, but it is only weakly differentiated from the nominate form, chiefly by its reduced white markings.

References

Butterflies and Moths of North America Fact Page U. proteus on the UF/IFAS Featured Creatures Web site Butterflies of Houston and Southeast Texas, by John & Gloria Tveten

Illustrations

Worked examples

Example 1 — a first encounter with Long-tailed skipper

Start with the simplest possible case. Write down what Long-tailed skipper 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 Long-tailed skipper 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 Long-tailed skipper 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 Long-tailed skipper

In research: Long-tailed skipper 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 Long-tailed skipper 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: Long-tailed skipper is common in secondary-school and first-year university syllabi. It links to neighbouring topics Agricultural pest insects, Animal taxa named by Carl Linnaeus, Butterflies described in 1758, so understanding it makes those chapters shorter.
In everyday life: Look for Long-tailed skipper 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 Long-tailed skipper in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Long-tailed skipper 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 Long-tailed skipper out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Long-tailed skipper in simple terms?

Why does Long-tailed skipper 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 Long-tailed skipper?

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 Long-tailed skipper.