Egg-laying in fungus midge in the roots of plants. These tiny black gnats around 3-4 mm long, which lay their pale, translucent eggs in plant roots. Gnats themselves, if a factory, usually fly in large numbers, but do not bring harm, except passeth their illness and the larvae of other pests. A midge larvae feed on fungal root system of plants, from which it fades, lags behind in growth, not flowers, not infrequently reaching up to a total loss. Promotes the appearance of fungal mosquitoes wetland substrate.
Control measures. Soil is too dry, sprinkle it with dry river sand on two fingers thick, but it is effective if the gnats had just appeared and did not manage to lay eggs. It is helpful to spray the soil with insecticides (Fufaev, aktellik, Inta-vir), or pour a solution of the same drugs. Plant can be transplanted with careful removing the old soil. Adult mushroom midge