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Gall midge | Natural enemy against spider mites and aphids
Gall midge is a natural enemy of spider mite and aphid. The gall midge Feltiella acarisuga is especially effective against spider mite; the gall midge Aphidoletes aphidimyza’s main prey is aphid. Particularly the larvae of the gall midge are aggressive and therefore very effective against spider mite and aphid. When the larvae attack a prey, they spray poison into the body of the prey. This paralyzes the prey and makes its contents fluid, enabling the larvae to subsequently suck it up easily.
The larvae of the gall midge are around 2.5 mm in size and have a transparent, orange color. At a later stage they turn more red, brown or gray. An adult gall midge has a long, slim body with long legs. The gall midge prospers best in environments with high humidity and at a temperature of at least 15°C.
- Feltiella acarisuga: the larvae of this gall midge are very effective against spider mite and spider mite eggs. The larvae can consume up to five times more spider mite than the well-known Phytoseiulus persimilis predatory mite, but they are endemic and therefore less mobile. That is why it is recommended to combine the predatory mite Phytoseiulus with the gall midge to have a better chance of succeeding in controlling spider mite.
- Aphidoletes aphidimyza: the larvae of this gall midge species control a wide range of aphid species. The adult gall midge emerging from the pupa is mainly active at dusk and lays its eggs in aphid colonies. Read this article for more information about the aphidoletes.
Videos
In the videos below are microscope images of gall midges against aphids and spider mites.
In the videos below are microscope images of gall midges against aphids and spider mites.
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Can't find your answer? Fill out the contact form and our specialist Kees Kouwenhoven will get back to you. On weekdays, even within 24 hours.
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Gall midge | Natural enemy against spider mites and aphids
Gall midge is a natural enemy of spider mite and aphid. The gall midge Feltiella acarisuga is especially effective against spider mite; the gall midge Aphidoletes aphidimyza’s main prey is aphid. Particularly the larvae of the gall midge are aggressive and therefore very effective against spider mite and aphid. When the larvae attack a prey, they spray poison into the body of the prey. This paralyzes the prey and makes its contents fluid, enabling the larvae to subsequently suck it up easily.
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The gall midge
The larvae of the gall midge are around 2.5 mm in size and have a transparent, orange color. At a later stage they turn more red, brown or gray. An adult gall midge has a long, slim body with long legs. The gall midge prospers best in environments with high humidity and at a temperature of at least 15°C.
- Feltiella acarisuga: the larvae of this gall midge are very effective against spider mite and spider mite eggs. The larvae can consume up to five times more spider mite than the well-known Phytoseiulus persimilis predatory mite, but they are endemic and therefore less mobile. That is why it is recommended to combine the predatory mite Phytoseiulus with the gall midge to have a better chance of succeeding in controlling spider mite.
- Aphidoletes aphidimyza: the larvae of this gall midge species control a wide range of aphid species. The adult gall midge emerging from the pupa is mainly active at dusk and lays its eggs in aphid colonies. Read this article for more information about the aphidoletes.
Videos
In the videos below are microscope images of gall midges against aphids and spider mites.
In the videos below are microscope images of gall midges against aphids and spider mites.
Contact form
Can't find your answer? Fill out the contact form and our specialist Kees Kouwenhoven will get back to you. On weekdays, even within 24 hours.
Also interesting for you
How to protect bumblebees from heat
When the sun is very strong, the temperature in the greenhouse increases. This can cause the bumblebees in the crop to overheat. This has a negative effect on pollination and, in the worst-case scenario, bumblebees can die.
When the sun is very strong, the temperature in the greenhouse increases. This can cause the bumblebees in the crop to overheat. This has a negative effect on pollination and, in the worst-case scenario, bumblebees can die.
Types of thrips
Thrips are small insecst which causes big problems in several crops. There are many different types. The most common and harmful in horticulture are the western flower thrips and onion thrips (Thrips tabaci), but also the rose thrips and Echinothrips americanus appear in greenhouses.
Thrips are small insecst which causes big problems in several crops. There are many different types. The most common and harmful in horticulture are the western flower thrips and onion thrips (Thrips tabaci), but also the rose thrips and Echinothrips americanus appear in greenhouses.
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