Related topics: bees

The hunger gaps: how flowering times affect farmland bees

For the very first time, researchers from the University of Bristol have measured farmland nectar supplies throughout the whole year and revealed hungry gaps when food supply is not meeting pollinator demand. This novel finding ...

Wasps, cockroaches and crickets are pollinators too

Wasps, cockroaches and crickets are widely disliked, but for a certain species of plant on the Japanese island of Yakushima they play a vital role. While studying the non-photosynthetic Mitrastemon yamamotoi plant, Associate ...

Feisty hummingbirds prioritize fencing over feeding

Most hummingbirds have bills and tongues exquisitely designed to slip inside a flower, lap up nectar and squeeze every last drop of precious sugar water from their tongue to fuel their frenetic lifestyle.

Do lime trees kill bees?

Public interest in bees is intense. There's rarely a week that goes by without a story in the press about populations plummeting. Although most of these stories focus on chemical pesticides, other factors may also be affecting ...

Microbes in flower nectar affect pollination

Dipping its beak into the sweet nectar of a flower, a hummingbird is doing more than getting a meal – it's contributing to a microbial community that could potentially determine the fate of that flower. Recognizing that ...

Nicotine enhances bees' activity

Nicotine-laced nectar can speed up a bumblebee's ability to learn flower colours, according to scientists at Queen Mary University of London (QMUL).

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Nectar

Nectar is a sugar-rich liquid produced by plants. It is produced in glands called nectaries, either within the flowers, in which it attracts pollinating animals, or by extrafloral nectaries, which provide a nutrient source to animal mutualists, which in turn provide anti-herbivore protection. Common nectar-consuming pollinators include bees, butterflies and moths, hummingbirds and bats.

Nectar is an ecologically important item, the sugar source for honey. It is also useful in agriculture and horticulture because the adult stages of some predatory insects feed on nectar.[examples needed]

Nectar secretion increases as the flower is visited by pollinators. After pollination, the nectar is frequently reabsorbed into the plant.

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