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.

John Shaw / Hybrid Poplar tree plantation in autumn (Populs sp.). Boardman Tree Farm, near Irrigon, Oregon, USA. October.

John Waters / Walkers strolling along the bank between in flooded Aller Moor, with mistletoe laden apple tree, near Burrowbridge, Somerset Levels, Somerset, UK. January 2014

Daniel Heuclin / Aesculapian snake (Elaphe longissima) coiled in branch of apple tree, with fruit hanging below, Poitou France, Europe. Controlled conditions.

Gary K. Smith / Blue tit (Parus caeruleus) perching amongst crab apples, UK, November

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

Colin Varndell / Apple trees in blossom with Bluebells, UK

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.