päärvutid

I’m not finding a widely used or recognized topic called “päärvutid” in standard Estonian biology or encyclopedic sources. It may be a misspelling, a regionally used term, or a concept from a specific text or field. Could you provide a source or clarify the intended meaning or spelling?

If you’d like, I can proceed with one of these options:

- Write a concise wiki-style article about a closely related and well-established topic (for example, parasites in Estonian: parasiidid), in neutral, informative language.

- Draft an article on a specific concept you have in mind (for instance, a particular taxonomic group, organism type, or ecological concept) once you confirm the correct term.

- Provide the exact Estonian spelling or context (field, author, or source) and I’ll create a precise article under 300 words.