Guy Edwardes / Field of flowering Poppies (Papaver rhoeas) at sunrise, Val d'Orcia, Tuscany, Italy. May 2019.

John Shaw / Abandoned house in middle of a wheat field. Palouse farming area, south eastern Washington, USA, August.

Jack Dykinga / Massive wildflower display Lanceleaf monolopia 1+Monolopia lanceolata+2 Great Valley phacelia 1+Phacelia civiliata+2 and purple Lemmon's mustard 1+Caulanthus anceps+2 The Temblor Range in evening...

Dave Bevan / Large white (Pieris brassicae) caterpillars eating Broccoli (Brassica oleracea) leaves, with Small white (Pieris rapae) caterpillars, Carmarthenshire, Wales, UK. September.

Cyril Ruoso / Oilseed rape (Brassica napus) fields in flower, Burgundy, France, May.

Alex Hyde / Orange tip butterfly egg (Anthocharis cardamines) on Cuckoo flower / Lady's smock (Cardamine pratensis). Peak DIstrict National Park, Derbyshire, UK. May.

Simon Colmer / Green-veined White butterfly egg (Pieris napi) above, Orange-tip butterfly egg (Anthocharis cardamines) below, on Garlic mustard (Alliaria petiolata) Sussex, UK. June.

Gary K. Smith / Marsh harrier (Circus aeruginosus) adult female circling over Oilseed rape crop, Norfolk, England, May. Digital composite.

Nick Upton / Pollen and nectar flower mix strip with Mustard (Brassicaceae), Common sainfoin (Onobrychis viciifolia) and Red clover (Trifolium pratense) bordering a Barley crop (Hordeum vulgare), Marlborough Downs...

Paul Harcourt Davies / Floral colour in fields on the Piano Grande from Poppies (Papaver rhoeas), Cornflowers (Centaurea), Mustard (Brassica) and Mayweed (Anthemis), Umbria, Italy, June

Visuals Unlimited / Male Spring peeper frog (Hyla crucifer) calling, North America.

Andy Sands / Orange tip butterfly (Anthocaris cardamines) on Cuckoo flower / Lady's smock (Cardamine pratensis), Hertfordshire, England, UK, April - Focus Stacked

Andy Sands / RF - Orange Tip Butterfly (Anthocaris cardamines) on Cuckoo flower / Lady's smock (Cardamine pratensis), Hertfordshire, England, UK, April - Focus Stacked (This image may be licensed either as rig...

Philippe Clement / Sea kale (Crambe maritima) close up of seed pods / fruits on the beach, Pointe de Barfleur, Manche, Cotentin, Normandy, France, June

Phil Savoie / Smeathman's furrow bee (Lasioglossum smeathmanellum) feeding on Wallflower (Erysimum sp.) pollen. At 4.5 mm average size, this is one of the smallest bees in the UK, Monmouthshire Wales UK, April

Nigel Cattlin / Thrift (Armeria maritima) and Sea kale (Crambe maritima) on shingle, Chesil Beach, Dorset, England, UK. May.

Nigel Cattlin / Sea kale (Crambe maritima) on shingle. Chesil Beach, Dorset, England, UK. May.

Nigel Cattlin / Sea kale (Crambe maritima) on gravel. Chesil Beach, Dorset, England, UK. May.

Nigel Cattlin / Mealy cabbage aphid (Brevicoryne brassicae) infestation on Brassica stem. Berkshire, England, UK. June.

Nigel Cattlin / Mealy cabbage aphid (Brevicoryne brassicae) infestation on Brassica stem. Berkshire, England, UK. June.

Nigel Cattlin / Mealy cabbage aphid (Brevicoryne brassicae) infestation on secondary host plant Hedge mustard (Alliaria petiolata). Berkshire, England, UK. June.

Nigel Cattlin / Hairy bittercress (Cardamine hirsuta) leaf rosette with pinnate leaves, growing as garden weed. Berkshire, England, UK. May.

Nigel Cattlin / Hairy bittercress (Cardamine hirsuta) growing as garden weed. Berkshire, England, UK. May.

Nigel Cattlin / Cabbage (Brassica sp) with feeding damage caused by Wood pigeon (Columba palumbus). 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) feeding damage to leaves of Sweet alyssum (Lobularia maritima). Berkshire, England, UK. August.

Nigel Cattlin / Flea beetle (Phyllotreta nigripes) feeding damage to leaves of Sweet alyssum (Lobularia maritima). Berkshire, England, UK. August.

Nigel Cattlin / Single small white (Pieris rapae) caterpillar on Broccoli (Brassica oleracea) leaf. Berkshire, England, UK. August.

Nigel Cattlin / Large cabbage white (Pieris brassicae) caterpillars feeding on Broccoli (Brassica oleracea) leaf. Berkshire, England, UK. August.

Nigel Cattlin / Large cabbage white (Pieris brassicae) caterpillars on Broccoli (Brassica oleracea) leaf. Berkshire, England, UK. August.

Nigel Cattlin / Flea beetle (Phyllotreta sp) feeding damage to Sweet alyssum (Alyssum maritimum) leaves. Berkshire, England, UK. July.

Nigel Cattlin / Common wintercress (Barbarea vulgaris) in field margin. Berkshire, England, UK. May.

Nigel Cattlin / Common wintercress (Barbarea vulgaris). Berkshire, England, UK. May.

Nigel Cattlin / Cabbage (Brassica oleracea) plants damaged, stripped and pecked by Wood pigeon and other birds in vegetable garden. Berkshire, England, UK. May.

Ann & Steve Toon / Heliophila sp, flowers, Namaqua National Park, Northern Cape, South Africa.

Ann & Steve Toon / Blue flax (Heliophila coronopifolia), Namaqualand, Northern Cape, South Africa

Juan Carlos Munoz / Patchwork of agricultural fields including Oilseed rape (Brassica napus) with hills in background, high angle view. Cuestahedo, Merindad de Montija, Burgos, Castile and Leon, Spain. June 2019.

Nigel Cattlin / Honey bee (Apis mellifera) hives in flowering Oilseed rape (Brassica napus napus) field, for honey production and improved pollination. England, UK. May.

Nigel Cattlin / Downy mildew (Peronospora parasitica) mycelium and lesion on underside of Oilseed rape (Brassica napus napus) leaf.

Nigel Cattlin / Cabbage whitefly (Aleyrodes proletella) eggs in circular patterns on a Cabbage (Brassica sp) leaf. Photomicrograph.

Nigel Cattlin / Cabbage root fly (Delia radicum) larva with frass in damaged Oilseed rape (Brassica napus napus) root.

Nigel Cattlin / Cabbage root fly (Delia radicum) larvae with frass in damaged Oilseed rape (Brassica napus napus) root.

Nigel Cattlin / Flea beetle (Phyllotreta sp) feeding damage on Oilseed rape (Brassica napus napus) leaf.

Nigel Cattlin / Cabbage root fly (Delia radicum) larvae with frass in damaged Oilseed rape (Brassica napus napus) root.

Nigel Cattlin / Cabbage (Brassica oleracea) crop wilted due to Clubroot (Plasmodiophora brassicae) allotment soil infection. England, UK.

Nigel Cattlin / Clubroot (Plasmodiophora brassicae) distorted root of a Cabbage (Brassica oleracea). England, UK.

Nigel Cattlin / Brassica pod midge (Dasineura brassicae) larvae infestation in Oilseed rape (Brassica napus napus) seed pod.

Nigel Cattlin / Brassica pod midge (Dasineura brassicae) larvae infestation in open Oilseed rape (Brassica napus napus) seed pod. England, UK.