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Posts Tagged ‘bee’

World Bee Day

Friday, May 19th, 2023
A honey bee worker hovers over a flower. Credit: © Shutterstock

A honey bee worker hovers over a flower.
Credit: © Shutterstock

Tomorrow, May 20th, is World Bee Day! This day, designated by the United Nations, celebrates bees and raises awareness of how important bees are to our daily life. Bees and other pollinators are endangered by human activities. Nearly 75 percent of all food crops depend on pollinators. They are necessary for food security and biodiversity throughout the Earth. World Bee Day is a cause to learn more about bees and support causes that protect bees.

Bees are insects that live in almost every part of the world except near the North and South poles. Bees are one of the most useful of all insects. They produce honey, which people use as food; and beeswax, which is used in such products as adhesives, candles, and cosmetics. There are about 20,000 species (kinds) of bees. Only the kinds known as honey bees make honey and wax in large enough amounts to be used by people.

Flowers provide food for bees. The bees collect tiny grains of pollen and a sweet liquid called nectar from the blossoms they visit. They make honey from the nectar, and use both honey and pollen as food. During their food-gathering flights, bees spread pollen from one flower to another, thus pollinating (fertilizing) the plants they visit. This enables the plants to reproduce. Numerous wild plants and such important food crops as fruits and vegetables depend on bees for fertilization.

The rusty patched bumble bee (Bombus affinis).  Credit: © Rich Hatfield, The Xerces Society

The rusty patched bumble bee (Bombus affinis).
Credit: © Rich Hatfield, The Xerces Society

Both young and adult bees sometimes fall victim to such diseases as European foulbrood and American foulbrood. These diseases may turn the bees into a gummy, lifeless mass. They are caused by bacteria. Diseases caused by fungi, such as Nosema disease, are also a threat to bees.

Human activities also harm bees. Insecticides meant to kill other insects kill thousands of bees each year. Weed-killing sprays take away an important source of bee food by destroying weeds and their flowers.

Colony collapse disorder (CCD) is an unusual condition that destroys hundreds of thousands of honey bee colonies each year in the United States. When a colony is affected by CCD, most of the adult bees disappear from the hive. The colony still contains a queen, immature bees, and honey. Experts are not certain what causes CCD. Mites and agricultural pesticides may contribute to CCD. Pesticides are chemicals used to kill insects and other pests.

Tags: bee, biodiversity, earth, endangered species, flowers, food, pollination, united nations
Posted in Conservation, Current Events | Comments Off

A Vaccine to Save the Bees

Monday, January 30th, 2023
Beekeepers wear protective veils. Light-colored clothes help provide protection from stings. A few experienced beekeepers handle the bees and honeycombs with their bare hands. Credit: © Shutterstock

Beekeepers wear protective veils. Light-colored clothes help provide protection from stings. A few experienced beekeepers handle the bees and honeycombs with their bare hands.
Credit: © Shutterstock

You may have heard the phrase “Save the bees” before, but a vaccine for bees? That is something new! Honeybees in the United States have faced diseases and pests that have decimated the population. Bees are important and affect our daily lives. Bees pollinate plants and flowers, giving us food, medicine, and of course, pretty flowers. Recently, scientists at the Dalan Animal Health based in Athens, Georgia, created a vaccine to save the bees for real!

What is the vaccine for? We know about vaccines for the flu and COVID-19, this vaccine protects bees against American foulbrood. Since American foulbrood is caused by bacteria, the scientists figured out how to put the dead bacteria in the vaccine. When American foulbrood infects a hive, it causes the larva to be darker and gives the entire hive a rotten smell. American foulbrood can spread from hive to hive, wiping out colonies of 60,000 bees.

How do the scientists give the bees the vaccine? No, it isn’t a shot, and they will not have to invent little bandaids for the bees. The scientists put the dead bacteria into royal jelly, which is a sugar feed the queen bees eat. This process exposes the queen bee’s future offspring to the bacteria so the bees can make antibodies. Antibodies are proteins that help the immune system fight off bacteria and viruses.

A typical honey bee colony may include tens of thousands of workers. This photograph shows workers tending to honey stored in the cells of a honeycomb. Credit: © StudioSmart/Shutterstock

A typical honey bee colony may include tens of thousands of workers. This photograph shows workers tending to honey stored in the cells of a honeycomb.
Credit: © StudioSmart/Shutterstock

Honeybees are important. They are vital to agriculture around the world. Without bees, the world would deal with more food scarcity. During their food-gathering flights, bees spread pollen from one flower to another, thus pollinating (fertilizing) the plants they visit. This allows the plants to reproduce. Numerous wild plants and such important food crops as fruits and vegetables depend on bees for fertilization. Honeybees pollinate nearly one-third of all food crops grown in the United States. Popular crops like almonds, apples, cherries, and pears require pollination from bees. Nearly three-quarters of all flowering plants rely on pollination from bees and other pollinators like butterflies and moths.

American foulbrood isn’t the only bee enemy. Bees are also declining in population due to climate change, disease, habitat loss, and pesticides. Beekeepers have given entire hives antibiotics to fight off diseases. However, the use of antibiotics can decrease beneficial bacteria and weaken the bees. Animals, mites, and human activities all threaten bees worldwide. There is also a disorder called Colony Collapse Disorder (CCD), an unusual condition that destroys hundreds of thousands of honey bee colonies each year in the United States. While the vaccine protects against American foulbrood, bees are also in danger of dying from European foulbrood. Diseases caused by fungi, such as Nosema disease, are also a threat to bees. Scientists hope the success of this vaccine will lead to others protecting the future of the bees!

 

Tags: bee, climate change, disease resistance, habitat loss, honeybee, pollination, save the bees, science, vaccine
Posted in Animals, Current Events, Science | Comments Off

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