Christian Ziegler / Bumblebee Orchid (Ophrys bombyliflora) flower and its male Longhorn Bee (Eucera sp) pollinator, Sardinia, Italy

Paul Harcourt Davies / Sea daffodil / lily (Pancratium maritimum) flowers open in late afternoon and remain open overnight, coinciding with the flight times of the Convolvulus hawkmoth (Herse convolvuli) its pollinator, Umb...

Nigel Cattlin / Honey bee (Apis mellifera) nectaring on Borage (Borago officinalis). Berkshire, England, UK. August.

Phil Savoie / Ashy mining bee (Andrena cineraria) male feeding on Dandelion (Taraxacum officinale) Monmouthshire, Wales, UK.

Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load under her abdomen for brood cell, Monmouthshire, Wales, UK, May.

Phil Savoie / Buff tailed bumblebee (Bombus terrestris) queen flying to Oriental poppy flower (Papaver orientale) with pollen baskets, Monmouthshire, Wales, UK. July.

Phil Savoie / Garden bumblebee (Bombus hortorum) worker flying to Foxglove (Digitalis purpurea) Monmouthshire, Wales, UK, June.

Heather Angel / Chilean monkey flower (Mimulus naiandinus). The lower lip has a groove to guide the pollinator's proboscis to the nectar source, with red spots acting as nectar guides. Cultivated in garden, Surre...

Heather Angel / Common bee fly (Bombylius major) nectaring on Primrose (Primula vulgaris). This insect is the main pollinator of Primrose. In nature reserve, Surrey, England, UK, April.

Heather Angel / Hand held digital thermometer recording -3-5C on closed snowdrop flower. Conditions too cold to open and for pollinator activity. Cultivated in garden, Surrey, England, UK. February.

Heather Angel / Honey bees (Apis mellifera) foraging on Korean evodia tree (Tetradium daniellii), a pollinator friendly plant. In garden, Surrey, England, UK. August.

Nick Upton / Gold-fringed mason bee (Osmia aurulenta) nectaring on Rock rose (Cistus pulverulentus) in a garden planted with pollinator attracting flowers, Dungeness, Kent, UK. June.