Giant hogweed

What does it look like? Giant hogweed is a big, untidy looking plant that can grow up to five metres tall, often along footpaths and riverbanks. If you see a plant which looks like giant hogweed but is smaller, it may be hemlock; it will not burn you like giant hogweed, but it is highly… More Giant hogweed

Biting spiders

What do they look like? False widow spider False widow spider: They grow to 2 centimetres across and are a dark brown colour with a bulbous abdomen. This spider has a well-deserved reputation as Britain’s most dangerous spider. The spiders are not usually aggressive although adult female false widow spiders are known to have bitten humans. Symptoms… More Biting spiders


What do they look like? Why are they dangerous? Female horseflies have sharp cutting parts which can even saw through the skin of an ox, enabling them to drink their blood. Only the females bite, as they need protein to produce their eggs: the males feed solely on plants. The photograph above of a horsefly… More Horseflies