Reply To: Spider Mite control Kisetsu-en Shohin Bonsai Europe › FORUM › Q&A › Spider Mite control › Reply To: Spider Mite control 13. July 2022 at 12:23 #61976 albekKeymaster Insecticides are one option and recommendations are not possible from me because we have different rules country-specific. As Geoff writes humidity is a factor too.