Konrad Wothe / Pair of Rosalia longicorns (Rosalia alpina) climbing up a Beech tree (Fagus sylvatica) whilst mating, Upper Bavaria, Germany, August.

Jussi Murtosaari / Musk beetle (Aromia moschata) taking off, South Karelia, Finland, August.

Rod Williams / Longhorn beetle (Rutpela / Strangalia maculata) feeding on Dog rose flower, Hutchinson's Bank, New Addington, London, England, June.

Alex Hyde / Green Dock Beetle (Gastrophysa viridula) female with huge abdomen swollen with eggs. Peak District National Park, Derbyshire, UK. May.

Nick Upton / Bloody-nosed beetles (Timarcha tenebricosa) mating on a grass stem in a chalk grassland meadow, Wiltshire, UK, April.

Jussi Murtosaari / Timberman beetle (Acanthocinus aedili) showing antennae which are four times the length of its body, central Finland, May.

Nigel Cattlin / Metallic green flea beetle (Altica sp), two walking one behind the other up stem. Berkshire, England, UK. April.

Nigel Cattlin / Metallic green flea beetle (Altica sp), two walking one behind the other up stem. Berkshire, England, UK. April.

Nigel Cattlin / Metallic green flea beetle (Altica sp) walking down stem. Berkshire, England, UK. April.

Nigel Cattlin / Flea beetle (Phyllotreta sp) and feeding damage on Lilacflower (Aubrieta sp). Cultivated in garden, Berkshire, England, UK. April.

Nigel Cattlin / Flea beetle (Phyllotreta nigripes) on Sweet alyssum (Lobularia maritima) leaf. Berkshire, England, UK. August.

Nigel Cattlin / Flea beetle (Phyllotreta nigripes) on Sweet alyssum (Lobularia maritima). Berkshire, England, UK. August.