Spider Mites on Nepenthes: Recognition and Neem Oil Treatment

Fine, white webbing on Nepenthes leaves—especially with wilting on one side—indicates spider mites. These tiny arachnids thrive in warm, dry conditions (humidity ~20%) and suck sap from foliage, causing stippling, bronzing, and leaf drop.

Treat with neem oil insecticide, spraying all plant surfaces, especially leaf undersides. Apply generously, wait 30 minutes, then rinse if desired. Repeat every 7 days until no new webbing appears—usually 3–4 treatments.

Neem is safe for carnivorous plants and breaks the mite life cycle. Always follow label directions. Increase humidity and improve air circulation to discourage reinfestation.

Note: Spider mites are common on houseplants. Quarantine new acquisitions and inspect regularly to catch outbreaks early.