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Some species of flea beetle feed on the leaves of all brassicas and related plants, such as rocket, radish, swede and turnip. The result is a peppering of holes that looks unsightly, particularly on salad leaves. Some ornamental plants, such as wallflowers can also be damaged.
Common name Flea beetleScientific name Various, mainly Phyllotreta and Psylliodes species on brassicas and allied plants Plants affected Many plants in the brassica family, including cabbage, broccoli, sprouts, turnip, radish, salad rocket, wallflower and alyssum. Also nasturtium and CleomeMain symptoms Small rounded holes in the foliage, especially on seedlings. Small beetles jump off the plants when disturbedMost active Spring and summer
Some species of flea beetle can damage brassicas and related plants. The adults feed on the leaves and the larvae on the roots. These small beetles are 2-3mm (about 1/10in) in length, with the enlarged hind-legs that enable them to leap off plants when disturbed.
Pesticides for gardeners (Adobe Acrobat pdf document outlining pesticides available to gardeners)
Alder leaf beetle Asparagus beetle Blue mint beetle Broad bean seed beetleBrussels sprouts problemsCabbage caterpillarsCabbage root flyCabbage whiteflyCitrus and Asian longhorn beetles Club rootFigwort weevils Flea beetles on brassicas Fuchsia flea beetle Ground beetles and rove beetlesInsect-proof meshLily beetle Mealy cabbage aphidPollen beetlesProtect your garden Raspberry beetle RHS Grow Your Own Rosemary beetle Viburnum beetle Vine weevil Waterlily pests Willow leaf beetles
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