How to eliminate a spider mite? - briefly
Apply a contact insecticide such as neem oil or a miticide containing abamectin, ensuring thorough coverage of both leaf surfaces. Supplement chemical treatment with predatory mites like Phytoseiulus persimilis and maintain low humidity to limit rapid population growth.
How to eliminate a spider mite? - in detail
Spider mites, tiny arachnids that feed on plant sap, cause stippled foliage, yellowing and reduced vigor. Prompt identification prevents rapid population growth; look for fine webbing on the undersides of leaves and tiny moving specks.
Cultural tactics reduce habitat suitability. Maintain moderate humidity, avoid excessive nitrogen fertilization, and water plants early in the day to allow foliage to dry. Prune heavily infested shoots, then discard them away from the garden.
Mechanical actions provide immediate reduction. Rinse plant surfaces with a strong jet of water to dislodge mites. Apply a solution of mild soap (approximately 0.5 % liquid detergent) mixed with water; spray until runoff, covering both leaf surfaces. Re‑apply every five to seven days while populations persist.
Biological agents target mites without harming beneficial insects. Release predatory mites such as «Phytoseiulus persimilis», «Neoseiulus californicus» or «Amblyseius swirskii» according to label rates. Encourage native predators by planting nectar‑producing species and avoiding broad‑spectrum insecticides.
Chemical options exist for severe outbreaks. Select miticides labeled for spider mite control, preferably those with low toxicity to non‑target organisms. Rotate active ingredients to prevent resistance; follow manufacturer dosage and pre‑harvest interval specifications.
An integrated program combines these measures. Monitor plants weekly, record mite counts, and adjust tactics based on threshold levels. Consistent cultural practices, timely mechanical removal, strategic biological releases, and judicious chemical use achieve sustainable eradication of the pest.