Join the RHS today and support our charity
Free personalised gardening advice
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Make a donation
I have forgotten my password
Keep me signed in
Register for free to receive our newsletters, add comments to blogs/articles and to save content.
See what events are on near you and browse your bookmarked pages.
Don’t miss out - book in advance and save
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
the RHS today and get 12 months for the price of 9
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Register for the site or sign in to share your experiences on this topic and seek advice from our community of gardeners.
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
Join the RHS today and get 12 months for the price of 9