Hairy caterpillars (Oak processionary moth)

What do they look like? These caterpillars walk up and down trees in nose-to-tail processions. If you find them, or spot one of their white silken nests, report it to the Forestry Commission or to your local council. The caterpillars of the oak processionary moth are classified as a public health hazard and the authorities destroy… More Hairy caterpillars (Oak processionary moth)

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

Horseflies

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

Ticks

What do they look like? Ticks are arachnids (related to spiders). They have eight legs, and look like spiders with unusually large bodies. Ticks have four stages in their lifecycle. Tick bites aren’t painful and in many cases they are not itchy either, so you will be unlikely to realise you have been bitten by… More Ticks

Bees, Wasps and Hornets

What do they look like? Wasps  Hornets Bees Why are they dangerous? Around 5 to 12 people each year die from bee, wasp and hornet stings, according to the mortality statistics for England and Wales. For most people, bee, wasp and hornet stings are very painful, but not dangerous. Serious allergic reactions can occasionally occur, causing… More Bees, Wasps and Hornets