Nick Garbutt / Flower of locally endemic Rafflesia (Rafflesia tengku-adlinii) flower diameter 22cm blooming on forest floor within lowland Dipterocarp rainforest, Maliau Basin, Sabah's 'Lost World', Borneo

Wild Wonders of Europe / Benvie / Bird's nest orchid (Neottia nidus-avis) in flower, France, Queyras Natural Park, May 2009

Wild Wonders of Europe / Benvie / Broomrape (Cistanche phelypaea) in flower, killing its host Glasswort (Salicornia sp) Huelva, Andalucia, Spain, April 2009

Ingo Arndt / Rafflesia (Rafflesia arnoldii) flower, is the largest flower in the world, fresh open first day, highlands, Malaysian Peninsula

Nick Garbutt / Rafflesia (Rafflesia keithii) flower aged approximately 3 days on rainforest floor. Lower slopes of Mt Kinabalu, Sabah, Borneo, Malaysia.

Heather Angel / Parasitic wasp (Gasteruption assectator) nectaring on Common rue (Ruta graveolens). Surrey, England, UK. July.

Heather Angel / Bumblebee scarab beetles (Pygopleurus humeralis) feeding on Phelypaea flower (Phelypaea coccinea). Flower has marks that mimic beetle elytra wings to attract pollinators. Plant parasitic on Tanacetum...

Heather Angel / Chalcid wasp (Gasteruption jaculator) nectaring on Yarrow (Achillea millefolium) cultivar, picking up pollen on legs and head. Long ovipositor used to lays eggs inside solitary bee nests. In garden, S...

Konrad Wothe / Fly (Gymnosoma rotundatum) Bavaria, Germany. June.

Philippe Clement / Parasite fly / tachinid fly (Tachina fera) feeding on nectar from Hogweed (Heracleum sphondylium) in summer, France. August.

Bruno D'Amicis / Ghost orchid (Epipogium aphyllum) detail in old-growth beech forest. Abruzzo, Lazio and Molise National Park / Parco Nazionale d'Abruzzo, Lazio e Molise UNESCO World Heritage Site Italy. July

Mike Read / Wildflowers growing in puszta grassland with Yellow rattle (Rhinanthus minor) near Tiszaalpar, Kiskunsag National Park, Hungary, June 2017