Jean E. Roche / Vegetable marrows, Cidamos Garden, Alpilles, France, October.

Konrad Wothe / Gliding seed of Climbing Gourd (Alsomitra macrocarpa) in tropical rainforest, West Papua, New Guinea, Indonesia, digital composite

Juergen Freund / Paddy melon (Cucumis myriocarpus) growing in red sand dunes of the outback. It is a prostrate or climbing annual herb occurs in southern Africa and is a weed in Australia, South Australia, Australia

Ernie Janes / Pumpkins (Cucurbita sp) ready for Harvest, Norfolk, UK, October

Jouan & Rius / Tsamma melon (Citrullus lanatus) growing on the sand dune, Kgalagadi Transfrontier Park, Kalahari desert, South Africa

Jouan & Rius / Nara melons (Acanthosicyos horrida) on sand dune, Namib Naukluft NP, Namib desert, Namibia

Konrad Wothe / Honey Bee (Apis mellifera) covered in pollen in pumpkin, Germany

Konrad Wothe / Honey Bee (Apis mellifera) covered in pollen in pumpkin, Germany

Nigel Cattlin / Ivy gourd (Coccinia grandis). Koh Kret, Nonthaburi Province, Thailand.

Heather Angel / Butterflies and day flying moths feed from Loofah flower (Luffa cylindrica) and pick up pollen on their legs, underside of thorax and antennae, South Sichuan Bamboo Sea, China

Heather Angel / Honey bee (Apis mellifera) with pollen grains on back. Inside male Squash (Cucurbita sp) flower. Cultivated in garden, Surrey, England, UK. September.

Mark Raycroft / Rottweiler (Canis familiaris) in autumn, North America