Rophoria
larvae start feeding on the aphids . Visual effect Aphids are consumed entirely, only skins remain. Dark excrements (meconium) on the leaves is an indicator [...] box vertically on the plants, preferably close to flowers. Protect from direct sunlight or rain. Dosage The dosage of Rophoria depends on climate, crop [...] crop and aphid density and should always be adjusted to the particular situation. Start introduction preventatively, or as soon as the first aphids are detected