Nectar in flowers serves chiefly to attract pollinators, such as fruit-eating bats, hummingbirds, sunbirds, and insects. Nectaries are usually located at the base of the flower stamens, which draw animal visitors into contact with the pollen to be transferred.

Do insects feed on nectar?

nectar, some also eat pollen

There are many different kinds of flies, including the Hoverflies (Syrphidae). The adults of a number of types of flies will drink nectar as well as taking other foods. Typical Diptera mouthparts consist of a short fleshy tube which they use to suck up liquid or semi-liquid food.

Are flies attracted to nectar?

Although humans may not find this smell attractive, flies are drawn to these brilliant red blooms. The deep red color and putrid odor resemble decaying meat and attract flies who feed on pollen of these flowers. Typically, no nectar is produced in fly-pollinated flowers.