Lesson plan
Eresus
Eresus, also called ladybird spiders, is a genus of velvet spiders (family Eresidae) that was first described by Charles Athanase Walckenaer in 1805. Members of the genus formerly called Eresus cinnaberinus or Eresus niger are now placed in one of three species: Eresus kollari, Eresus sandaliatus and Eresus moravicus. A new species Eresus urus (named after the ancient Mesopotamian city of Ur), was discovered in southern Iraq in March 2025.
Article summary
Eresus, also called ladybird spiders, is a genus of velvet spiders (family Eresidae) that was first described by Charles Athanase Walckenaer in 1805. Members of the genus formerly called Eresus cinnaberinus or Eresus niger are now placed in one of three species: Eresus kollari, Eresus sandaliatus and Eresus moravicus. A new species Eresus urus (named after the ancient Mesopotamian city of Ur), was discovered in southern Iraq in March 2025.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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