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Tiny 'Harvest Mites' Invade UK Autumn: Beware Itchy Bites!
17 Sep
Summary
- Harvest mites are tiny red arachnids active in autumn's cooler weather.
- They inject an enzyme causing skin cell breakdown and intense itching.
- Prevention includes covering up and showering after outdoor activities.

As cooler autumn temperatures settle across the UK, a tiny parasitic bug known as the harvest mite is becoming active. These small, red arachnids, scientifically named Neotrombicula autumnalis, are a common nuisance during September and October.
Harvest mites, related to spiders, inhabit vegetated areas like long grass and woodlands. They attach to humans and animals, piercing the skin and injecting a digestive enzyme. This enzyme breaks down skin cells, leading to intense itching and red, inflamed bumps, often appearing on ankles and waistlines.
While their bites cause discomfort, harvest mites in the UK do not transmit diseases, unlike in other parts of the world. Treatment focuses on alleviating symptoms such as itching and swelling, recommending cold compresses, antihistamines, and hydrocortisone cream.
Preventive measures are advised for those enjoying outdoor activities. Wearing long clothing, tucking trousers into socks, and taking a hot shower and washing clothes immediately after returning indoors can help avoid these irritating mites.