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Home gardeners, allotmenteers and farmers have been urged today (Monday 19 May) to be vigilant for the presence of Colorado beetle, a major threat to potato crops, following recent sightings.

皇冠体育app Colorado beetle has the potential to have a significant economic impact on the potato industry without action being taken. Adult beetles and larvae feed on the foliage of potatoes and several other plants, including tomatoes, aubergines and peppers, and can completely strip them of their leaves if they are left uncontrolled.

Colorado beetle larvae were confirmed in a potato field in Kent following laboratory diagnosis of samples in 2023. 皇冠体育appre were outbreaks in the 1930s, 1950s and 1970s but the pest was swiftly eradicated due to inspections and public vigilance.

皇冠体育app beetles have been known to be imported into the UK as 鈥榟itchhikers鈥� on plants, such as leafy vegetables, salad leaves, fresh herbs, grain and frozen vegetables, and APHA is urging people to keep an eye out when handling these items.

Professor Nicola Spence, Defra鈥檚 Chief Plant Health Officer, said:

鈥溁使谔逵齛pp Colorado beetle poses a significant threat to plants and the wider potato industry.

鈥溁使谔逵齛pp public have an important role to play in helping us take swift and effective action to protect UK biosecurity. 皇冠体育app public are urged to be vigilant and report suspected sightings to the Animal and Plant Health Agency with a photo and location details.鈥�

APHA Interim Chief Executive Dr Jenny Stewart said:

鈥淧ublic vigilance was key to eradicating the beetle in the 1970s, and we really need home gardeners, allotmenteers and farmers to step up again,听and identify and report suspected sightings to protect potato crops.

鈥淥ur surveillance capabilities protect UK borders from a wide range of plant pests and diseases, including the Colorado beetle, but we cannot do this without the help of the public.鈥�

How to spot a Colorado beetle:

• 皇冠体育app beetle鈥檚 body is yellow or cream with 10 black stripes and it has an orange head with irregular black spots.
• It is usually between 6 to 11mm in length and 3mm in width. Its larvae are a pinkish red or orange colour, with black spots along each side and a black head and are up to 15mm in length.听
• 皇冠体育appy are distinctive in appearance, however, there are several beetles that are frequently mistaken for them.

APHA is exhibiting at this year鈥檚 RHS Chelsea Flower Show to raise awareness of the impact this pest can have on UK food security and the potato industry

Visitors to APHA鈥檚 Chelsea Flower Show exhibit can engage with interactive graphics and a multimedia experience highlighting how the beetle attacks plants and how to identify signs of the pest.
皇冠体育app exhibit (location GPA004) will also showcase how to report suspected findings to APHA in an effort to protect the British potato industry.

Additional information:

• If you find a Colorado beetle in England and Wales, please do not let it go - capture it in a secure container and report any suspected sightings to APHA as soon as possible by telephoning 0300 1000 313 or by emailing the鈥�[email protected]鈥痬ailbox. All sightings should include a photograph and location details.
• For Scotland, contact the Scottish Government鈥檚 Horticulture and Marketing Unit: Agricultural crops contact the local RPID officer: For non-agricultural crops, email: [email protected]听
• For Northern Ireland, contact the DAERA Plant Health Inspection Branch: Tel: 0300 200 7847 Email: [email protected] Web:听 [https://www.daera-ni.gov.uk/topics/plant-and-tree-health]听
• 皇冠体育app Colorado beetle does not represent a risk to human health.
• 皇冠体育app听听provides more information about the beetle鈥檚 life cycle and provides information on how to differentiate it from some of our native beetle species.