Aphidoletes aphidimyza: gall midge against greenfly
Product: bottle of 100 ml with dolls in vermiculite that come 2000 gall midges.
Shelf life: up to 2 days at 8-10 ° C, in the dark.
Application: for the control of many species of aphids in greenhouses and indoor plants. Consider repeated introductions. The product is sensitive to various chemical pesticides. Ask for advice deployment strategy.
Appearance: adult gall midges are delicate insects about 2.5 mm long with long, thin legs. The female has a wing length of 2.5-3.5 mm. The male antennae are long and covered with hair. In females, the antennas are shorter. Eggs are small and shiny orange, but difficult to observe. The larvae are 0.3-3 mm long and orange. Pupation takes place in the ground. A aphid killed by galmuglarve associated with its snout to the magazine and later turns brown or black and decay.
Operation: the larva of the gall midge injects a poison in the aphid, which the aphid is paralyzed and drained can be. If there are many aphids are present, the galmuglarve kills more than he eats aphids. Adult gall midges eat aphids, but lay eggs near aphid colony. They are active at night. Honeydew, produced by the aphids, promotes the egg laying of the gall midge.
Climate: turn off most of the eggs as the night temperature is above 16 ° C and the humidity is high.
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