Heather Angel / Honey bee (Apis mellifera) forages on pollen in Apple (Malus domestica) flower, collecting pollen in pollen basket. In garden, Surrey, England, UK. May.

Ross Hoddinott / 2020VISION / Apples (Malus domestica) growing in traditional orchard at Cotehele National Trust property, Cornwall, England, UK, August 2011

Ross Hoddinott / 2020VISION / Apples (Malus domestica) growing in traditional orchard at Cotehele National Trust property, Cornwall, England, UK, August 2011

Wild Wonders of Europe / Tønning / Apple trees in morning mist, Roudenhaff, Mullerthal, Luxembourg, May 2009

Jason Smalley / Crab apple tree {Malus sylvestris} Silverdale, Lancashire, UK

Warwick Sloss / Apple tree (Malus domestica) blossom flowers, Somerset, UK, April.

Warwick Sloss / Apple tree (Malus domestica) blossom flowers, Somerset, UK, April.

Nick Upton / Organic suburban garden with Apple (Malus domestica) tree in foreground, vegetables growing in beds iinclude Broad bean (Vicia faba), Lettuce (Lactuca sativa) and Kale (Brassica oleracea). Houses in b...

Ernie Janes / Bramley apple (Malus domestica) in flower, Norfolk, England, UK, April.

Nick Upton / Organic suburban garden with a mix of fruit including Apples (Malus domestica) and Raspberries (Rubus idaeus), vegetables including Broad beans (Vicia faba), Lettuce (Lactuca sativa) and Cavalo neroe...

Ross Hoddinott / Apple tree (Malus domestica) blossom in orchard in spring, Broxwater, Cornwall, UK. April.

Ross Hoddinott / Apple tree (Malus domestica) blossom in orchard in spring, Broxwater, Cornwall, UK. April.

Nigel Cattlin / Apples (Malus domestica) with scab caused by Ascomycetes fungus (Venturia inaequalis). Berkshire, England, UK. September.

Nigel Cattlin / Apple (Malus domestica) buds swelling prior to leaves and flowers emerging in spring. Berkshire, England, UK. April.

Nigel Cattlin / Apple (Malus domestica) fruits infected with Brown rot (Monilinia spp.). Berkshire, England, UK. September.

Nigel Cattlin / Apple (Malus domestica) fruits with damage scars caused by European apple sawfly (Holocampa testudinea) feeding early in fruit development. Berkshire, England, UK. August.

Nigel Cattlin / Apple (Malus domestica) bud burst, flower buds opening surrounded by fresh green leaves. Berkshire, England, UK. April.

Nigel Cattlin / Apple (Malus domestica) flower buds and fresh green leaves following bud burst, Berkshire, England, UK. April.

Nigel Cattlin / Red spider mite (Panonychus ulmi) webbing on young Apple (Malus domestica) branch, damage to leaves.

Nigel Cattlin / European red mite (Panonychus ulmi) eggs overwintering on Apple (Malus domestica) wood.

Nigel Cattlin / European red mite (Panonychus ulmi) eggs overwintering on Apple (Malus domestica) wood.

Nigel Cattlin / European red mite (Panonychus ulmi) eggs overwintering on Apple (Malus domestica) wood.

Nigel Cattlin / Apple (Malus domestica) branch with fruits and leaves. Leaves exhibiting interveinal chlorosis, symptom of iron deficiency.

Nigel Cattlin / Apple (Malus domestica) tree leaves with interveinal chlorosis, symptom of iron deficiency.

Nigel Cattlin / Codling moth (Cydia pomonella) caterpillar exit hole on young Apple (Malus domestica) fruit.

Nigel Cattlin / Codling moth (Cydia pomonella) caterpillar exit hole on Apple (Malus domestica) fruit.

Nigel Cattlin / Vapourer (Orgyia antiqua) moth caterpillar on Apple (Malus domestica) leaf. England, UK.

Nigel Cattlin / Apple sucker (Cacopsylla mali) nymph, an orchard pest, on Apple (Malus domestica) leaf. Photomicrograph.

Nigel Cattlin / Apple sucker (Cacopsylla mali) nymph, an orchard pest, on Apple (Malus domestica) leaf. Photomicrograph.

Nigel Cattlin / Winter moth (Operophtera brumata) caterpillar and young damaged Apple (Malus domestica) leaf. Caterpillar a serious pest in apple orchards. England, UK.

Nigel Cattlin / Apple (Malus domestica) leaf bud with damage caused by developing Winter moth (Operophtera brumata) caterpillar. England, UK.

Nigel Cattlin / Apple sawfly (Hoplocampa testudinea) larva inside damaged Apple (Malus domestica) fruit, in cross section.

Nigel Cattlin / Vapourer moth (Orgyia antiqua) wingless female, a minor pest of Apple (Malus domestica). England, UK.

Phil Savoie / Mining bee (Andrena sp) harvesting pollen from Apple blossom (Malus domestica) Ripon Wisconsin USA, May.

Phil Savoie / Tawny mining (Andrena fulva) on apple tree blossom (Malus domestica), Monmouthshire, Wales, UK, April.

Phil Savoie / Mining bee (Andrena sp.) on Apple tree (Malus domestica) Ripon, Wisconsin, USA, May.

Phil Savoie / American hoverfly (Eupeodes americanus) feeding on Apple blossom (Malus domestica), Ripon, Wisconsin, USA. April

Phil Savoie / American hoverfly (Eupeodes americanus) feeding on Apple blossom (Malus domestica), Ripon, Wisconsin, USA. April

Ernie Janes / 'Lady Henniker' apple tree blossom (Malus domestica) Thornham Hall, Suffolk, England, UK.

Alan Williams / Mistletoe (Viscum album) growing on Apple tree (Malus domestica) in orchard Cheshire, England, UK, August.

Alan Williams / Apple (Malus domestica) blossom variety 'Arthur W. Barnes' in orchard, Cheshire, UK, May

Alan Williams / Apple (Malus domestica) blossom variety 'Egremont Russet' in orchard, Cheshire, UK, May

Alan Williams / Apple (Malus domestica) blossom variety 'Egremont Russet' in orchard, Cheshire, UK, May

Ernie Janes / Apple trees (Malus domestica) fan trained or espalier style along garden border. England, UK. May.

Ernie Janes / Cultivated tulips (Tulipa) with Apple blossom (Malus domestica) in background. April. England, UK.

Klein & Hubert / Apple tree (Malus domestica) with red apples, France

Klein & Hubert / Apple tree (Malus domestica) with red apples, France

Gary K. Smith / Clutivated Apple tree blossom (Malus domestica 'Bramley's Seedling')