Aphidoletes aphidimyza
directly on the soil or rockwool slabs or hang it in-between the plants Do not scatter the contents Once emerged, the adult gall-midges will leave the [...] As gall-midges are active at night, it is crucial to keep the night temperature above 12°C/61°F, to ensure optimal conditions for oviposition. Apply A [...] are generally laid within, or close to, an aphid colony, finding prey for the newly hatched larvae is normally not difficult. When a gall midge larva attacks