Beetles

Beetles

Identyfication

Colour

Bright colours to brown or black

Size

From 0.25 mm to over 100 mm

Description

Beetles are insects in the order Coleoptera with a hard exoskeleton, usually brown or black in colour and ranging from a few millimetres to 80mm in length. They may have long, short or no antennae, and their front wings form a protective shell, the elytra, while their hind wings are membranous and used for flying. Beetles can be found in all habitats, from woodlands to urban gardens.

Types of Beetles in the UK

There are over 4,000 species of beetles found in the UK. They range in size from a few millimetres to up to 80mm in length. Beetles can be found in almost all habitats, from woodlands, ponds, and hedgerows, to urban gardens and homes. 

The most common types of beetles found in the UK are rove beetles, ground beetles, weevils, stag beetles, longhorn beetles and the lesser stag beetle. 

Rove beetles are small and slender, usually black or brown in colour, with short antennae and a small head. They can be found under stones and logs, in leaf litter and in compost heaps. 

Ground beetles are medium-sized, usually black with ridged wing cases and long antennae. They feed on small invertebrates and live in dark, damp places such as under logs and stones.

Weevils are small, dark-coloured beetles with long snouts and antennae. They are commonly found in gardens, feeding on plant material. 

Stag beetles are the UK’s largest terrestrial beetle, reaching up to 80mm in length. They are a protected species and can be found in woodlands and gardens, where they feed on rotting wood.

Longhorn beetles are medium-sized beetles with long antennae, found in woodland habitats. They feed on dead wood, fungi and sap.

The lesser stag beetle is smaller than the stag beetle, reaching up to 45mm in length. It can be found in gardens, parks and woodlands, where it feeds on dead wood and rotting vegetation.

Where do they live

Beetles can be found in almost all habitats, from woodlands, ponds, and hedgerows, to urban gardens and homes. Rove beetles tend to live in damp places such as under stones and logs, in leaf litter, and in compost heaps. Ground beetles like dark and damp places such as under logs and stones. Weevils live in gardens, feeding on plant material. Stag beetles can be found in woodlands and gardens, where they feed on rotting wood. Longhorn beetles live in woodland habitats, where they feed on dead wood, fungi, and sap. The lesser stag beetle is found in gardens, parks, and woodlands, where it feeds on dead wood and rotting vegetation.

Beetle: life cycle

The life cycle of a beetle consists of four stages: egg, larva, pupa, and adult. During the egg stage, the female lays eggs in a suitable environment, such as in soil, on plants, or in decaying wood. The eggs hatch into larvae, which feed and grow until they reach the pupa stage. During this stage, the larvae form a protective cocoon, where they remain until they are ready to emerge as adults. The adult beetle then emerges, mating and laying eggs to begin the cycle again.

Why do I have beetles

You may have beetles in your home or garden if there are food sources for them to feed on, such as plant material, decaying wood, fungi, or sap. Some species of beetle are attracted to light, so if you leave your lights on at night, you may attract beetles in from the outdoors. Additionally, if you have cracks or crevices in your walls or windows, beetles may enter your home through these openings.

Can beetles fly

Yes, most species of beetle can fly, although some species are flightless. Beetles that are able to fly have two pairs of wings, a hardened forewing called the elytra, and a set of membranous hind wings which are used for flying.

How worried should I be about beetles

Most beetles are harmless and are not a cause for concern. However, there are some species of beetle that can cause damage to crops or stored food, so it is important to identify the beetle before taking any action. If you are concerned about beetles in your home or garden, it is best to seek advice from a local pest control expert.

Types of beetles

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