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Spiked Shield Bug

Spiked Shield Bug ©Philip Precey

Spiked shieldbug

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Enw gwyddonol: Picromerus bidens
The spiked shieldbug has fearsome shoulder projections or 'spikes' and a predatory nature. This brown bug feeds on caterpillars and other insects in woodlands and on heathlands.

Top facts

Stats

Length: 1.2-1.3cm

Conservation status

Common.

Pryd i'w gweld

April to November

Ynghylch

The spiked shieldbug is a very impressive animal with a formidable pair of sharp spines on its shoulders. It is found at woodland edges and on heathland. It is mainly predatory, feeding on other insects, including caterpillars. The adults lay their eggs, which overwinter and hatch in spring; the nymphs moult into adult form in July and August.

What to look for

The spiked shieldbug is one of three brown shieldbugs with shoulder 'spikes'. It is best identified by its bright red legs and antennae, as well as its very pointed shoulder spikes.

Where to find

Mainly found in England and Wales, but spreading north.

Roeddech chi yn gwybod?

Although they are mainly predatory, adult spiked shieldbugs will also suck the sap from plants like other shieldbugs.