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.

Laurent Geslin / Broad-shouldered leaf beetle (Melasoma populi) in the city in front of urban mural painting of a Great tit, Strasbourg, France. May 2014.

Nick Upton / Cereal leaf beetle (Oulema melanopus) standing on a blade of grass, Millook Haven, Cornwall, UK, May.

Will Watson / Bloody-nosed beetle (Timarcha tenebricosa), on rock, Pembrokeshire, Wales, UK, July.

Will Watson / Bloody-nosed beetle (Timarcha tenebricosa), on rock, Pembrokeshire, Wales, UK, July.

Alex Hyde / False ladybird (Endomychus coccineus) under loose bark on a decaying tree branch. Peak District National Park, Derbyshire, UK. October.

Alex Hyde / Eggs of Green Dock Beetle (Gastrophysa viridula) on underside of Broad-leaved Dock leaf (Rumex obtusifolius). Peak District National Park, Derbyshire, UK. May.

MYN / Marc Pihet / Rosemary beetle (Chrysolina americana), Maine-et-Loire, France, September. meetyourneighbours.net project

MYN / Marc Pihet / Rosemary beetle (Chrysolina americana), Maine-et-Loire, France, September. meetyourneighbours.net project

MYN / Marko Masterl / Dead-nettle Leaf Beetle (Chrysolina fastuosa), Slovenia, Europe, June. meetyourneighbours.net project

Alex Hyde / Bloody-nosed Beetle (Timarcha tenebricosa) on white background in a mobile field studio. Devon, UK. June.

Alex Hyde / Sulphur Beetle (Cteniopus sulphureus) on a white background. Nordtirol, Tirol, Austrian Alps, Austria. August.

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) walking over ground in a chalk grassland meadow, Wiltshire, UK, April

Nick Upton / Bloody-nosed beetle (Timarcha tenebricosa) climbing on grass blades in a chalk grassland meadow, Wiltshire, UK, April.

Jussi Murtosaari / Poplar Leaf Beetle (Chrysomela populi) taking off, central Finland, May.

Gary K. Smith / Common asparagus beetle (Crioceris asparagi) infestation of adult beetles on tip of edible Asparagus, Norfolk, England, UK, June.

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

Premaphotos / Poplar leaf beetle (Chrysomela populi) pupa attached to leaf, UK

Premaphotos / Poplar leaf beetles (Chrysomela populi) feeding on Creeping willow, UK

Pal Hermansen / Poplar leaf beetle (Chrysomela populi) flying off from plant, Viken, Norway. June.

Nigel Cattlin / Common asparagus beetles (Crioceris asparagi) feeding on Asparagus (Asparagus sp.) spear, Berkshire, UK. May.

Nigel Cattlin / Common asparagus beetles (Crioceris asparagi) feeding on Asparagus (Asparagus sp.) spear, Berkshire, UK. May.

Nigel Cattlin / Cereal leaf beetle (Oulema melanopus) crawling along a Wheat (Triticum aestivum) leaf.

Alex Hyde / Asparagus Beetle (Crioceris asparagi), considered a garden pest as it eats asparagus plants. Photographed on a white background. East Sussex, UK. August.

Alan Williams / Rosemary beetle (Chrysolina americana) feeding on Lavender (Lavandula angustifolia) in garden Cheshire, UK, June.

Alan Williams / Rosemary beetle (Chrysolina americana) feeding on Lavender (Lavandula angustifolia) in garden Cheshire, UK, June.

Alan Williams / Rosemary beetle (Chrysolina americana) feeding on Lavender (Lavandula angustifolia) in garden Cheshire, UK, June.

Alan Williams / Rosemary beetle (Chrysolina americana) feeding on Lavender (Lavandula angustifolia) in garden Cheshire, UK, June.

Nigel Cattlin / Green dock beetle larvae (Gastrophysa viridula) feeding on broad dock leaf (Rumex obtusifolius) and eggs, Devon, England, UK. May.

Nigel Cattlin / Green dock beetle larvae (Gastrophysa viridula) feeding on broad dock leaf (Rumex obtusifolius) , Devon, England, UK. May.

Nigel Cattlin / Green dock beetle larva (Gastrophysa viridula) feeding on broad dock leaf (Rumex obtusifolius) , Devon, England, UK. May.

Nigel Cattlin / Green dock beetle (Gastrophysa viridula) eggs on broad dock leaf (Rumex obtusifolius) , Devon, England, UK. May.

Nick Upton / Cereal leaf beetle (Oulema melanopus) larva feeding on a grass blade, with faecal shield, Wiltshire, England, UK, July.

Nick Upton / Cereal leaf beetle (Oulema melanopus / rufocyanea) larva with faecal shield feeding on a grass blade by scraping off the upper surface, in a woodland ride, Green Lane wood, Wiltshire, UK, July.

Alan Williams / Rosemary beetle (Chrysolina americana) feeding on Lavender (Lavandula sp) flower buds. In garden, Cheshire, England, UK. June.

Nigel Cattlin / Cereal leaf beetle (Oulema melanopus) larva, grub, stripping away the epidermus of a wheat leaf

Nigel Cattlin / Cereal leaf beetle (Oulema melanopus) larva, grub, stripping away the epidermus of a wheat leaf