Macrocheles robustulus
Spread material evenly on soil or planting medium (not on the plastic) The dosage of Macro-Mite depends on climate, crop, planting medium and pest density [...] mites feed on larvae of sciarid flies , thrips pupae and other soil-dwelling insects. The mites appear in and on the soil and at the base of plant stems. Feeding [...] generalist predator. In addition to soil-dwelling thrips stages, it also feeds on fly larvae, mites, springtails, nematodes and other small soil-dwelling organisms