A review on floral scents and pigments in cucurbits: Their biosynthesis and role in flower visitor interactions

•Cucurbit crops are dependent on animal pollinators for their fruit formation.•Cucurbit flowers are attractive to both pollinators and antagonistic florivores.•Bees, moths and beetles are frequent visitors of the colorful and scented flowers.•Carotenoids are responsible for floral colours and various volatiles for the scents.•Candidates for genes forming cucurbit floral scents and pigments are summarized.