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.

Nick Upton / Bloody-nosed beetle (Timarcha tenebricosa) in a stand of its food plant Goose grass / Cleavers (Galium aparine) in a chalk grassland meadow, Wiltshire, UK, May.

Rod Williams / Cereal Leaf Beetle (Oulema melanopus) Beverley Court Gardens, Lewisham, London, England, UK. April.

Michael Hutchinson / Rosemary Beetle (Chrysolina americana) on rosemary (Rosmarinus officinalis), Bristol, UK, November

Sylvain Cordier / Colorado potato Beetle (Leptinotarsa decemlineata) ,adult and larvae on leaves of potato plant, Lot, France

Kim Taylor / Asparagus beetles (Crioceris asparagi) with eggs. Surrey, England, UK, May.

Andy Sands / Bloody-nosed beetle (Timarcha tenebricosa) larva on grass stem, Bedfordshire, England, UK, June

Rod Williams / Rosemary beetle (Chrysolina americana) Brockley, Lewisham, London, UK September

Chien Lee / Golden Monarch (Monarcha chrysomela) male, Nimbokrang, New Guinea, Indonesia

Will Watson / Colorado potato beetle (Leptinotarsa decemlineata) on Potato (Solanum tuberosum) leaves, Romania.

Will Watson / Colorado Potato Beetle (Leptinotarsa decemlineata) collected by hand and placed in bucket, Romania.