Swirski Ulti-Mite
and prey mites. Presentation Sachets in cardboard box. Carrier Bran. Application Hang sachets in sheltered locations in the crop, not exposed to direct sunlight [...] detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should be repeated after 4 weeks if the pest is not [...] swirskii is most effective at temperatures between 20 and 32°C (68 and 90°F). It is not effective at temperatures below 18°C/64°F. Amblyseius swirskii is sensitive