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National Insect Week returns in 2020


  • Thick-legged flower beetle

    False oil beetle, Oedemera nobilis


    Oedemera nobilis – (family Oedemeridae) This spectacular metallic-green beetle is usually seen on flowers. Only the male – seen here – has the characteristic thickened hind ‘thighs' (femora). This species is common in gardens and grassland, and in open spaces in woods, in the south, but is more...
  • Shining spider beetle

    Shining spider beetle, Mezium gibbum


    Mezium gibbum – (family Ptinidae) As their common name suggests, ptinid beetles have the appearance of small spiders. The peculiar-looking Mezium gibbum has very shiny translucent wing-cases that resemble a bead of condensation. Although it is usually found indoors feeding on accumulations of dust...
  • Stag beetle

    Stag beetle, Lucanus cervus


    Lucanus cervus – (family Lucanidae) The male stag beetle – with its huge antler-like mandibles that are used in fights with other males – is the largest British land beetle. The larvae feed on decaying wood and their development takes up to five years. Due to overzealous clearance of dead wood...
  • Lily beetle

    Lily beetle, Lilioceris lilii


    Lilioceris lilii – lily beetle (family Chrysomelidae) Many chrysomelid leaf beetles are brightly coloured and metallic. One of the most striking is the bright red lily beetle. This species was only sporadically found in UK until the mid-20 th century when it became established. In recent years it...
  • Spangled water beetle

    Spangled diving beetle, Graphoderus zonatus


    Graphoderus zonatus - (family Dytiscadae) Like all dytiscid diving beetles, the spangled water beetle is predatory on other aquatic animals, including tadpoles, and can swim fast with its broadened hind legs and its streamlined shape. However, Graphoderus zonatus is a protected species in Britain...
  • Acorn weevil

    Acorn weevil, Curculio glandium


    Curculio glandium - (family Curculionidae) All weevils have a snout (known as a ‘rostrum') with the mouthparts at the end, and this acorn weevil has the most strongly-developed snout of all British weevils. The species spends most of its life as a white larva that hollows out the kernels of acorns...
  • Sulphur beetle

    Comb-clawed beetle, Ctenopius sulphureus


    Cteniopus sulphureus - (family Alleculidae) The very distinctive sulphur beetle is the only bright yellow beetle found in the UK. The adults live in flowers, where they feed on nectar and pollen. The species is usually only found in very dry places such as chalk or sandy grassland in the south of...
  • Green tiger beetle

    Green tiger beetle, Cicindela campestris


    Cicindela campestris - (family Cicindelidae) Tiger beetles are closely related to ground beetles but, unlike ground beetles, they always fly away when disturbed. They are mainly found in areas with sandy soils. The larvae live in burrows and wait for prey passing close to the mouths of their...
  • Rose chafer

    Rose chafer beetle, Cetonia aurata


    Cetonia aurata - (family Scarabaeidae) This typically metallic-green chafer is on the wing – rather noisily – in midsummer, and is usually seen feeding on flowers. This species is restricted to southern areas of Britain and is not found north of the English Midlands, though a similar bronze-...
  • Violet ground beetle

    Violet ground beetle, Carabus violaceus


    Carabus violaceus - (family Carabidae) This is one of the largest of British ground beetles. It is widespread in the UK: it is especially associated with wooded areas, but is also commonly found in gardens. Like most ground beetles it is a nocturnal predator and often spends the daytime hidden...


Did you know?


Anisozygoptera are like a cross between a dragon and a damselfly, they have dragonfly eyes and damselfy wings.

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