Sentences with phrase «other bee species»

With the onset of the widely publicized American «colony collapse disorder», they were predicting that climate change from greenhouse gases would destroy the honeybees (and other bee species) and crop agriculture - meaning a massive starvation for mankind.

The honey bee's global importance is further underscored when considering that it is but one of tens of thousands of pollinating species in the world, including wasps, flies, beetles, butterflies, moths and other bee species.

Currently several other bee species, such as the blue orchard variety, are commercially available and may help farmers supplement honeybee populations.

For more than half a century, biologists have been driven a little crazy trying to figure out why honeybees, unlike other bee species, perform an elaborate dance to tell their cohorts where the best flowers are.

Paxton adds that other bee species are not able to adjust as well to these agricultural practices and their populations are therefore much lower.

The researchers emphasise that these crops are pollinated by other bee species, which in turn, may depend on a more natural environment.

However, their populations have decreased in some states, so inclusion in the U.S. Fish and Wildlife Service's Federal Register may help keep them and other bee species at healthy population levels.

Not exact matches

Of the hundred principal crops that make up most of the world's food supply, only 15 percent are pollinated by domestic bees (mostly honey bees, bumble bees and alfalfa leafcutter bees), while at least 80 percent are pollinated by wild bees and other wildlife (as there are an estimated 25 000 bee species, the total number of pollinators probably exceeds 40 000 species).

The group now plan to investigate whether similar phenomena occur in other species of stingless and stinging bees.

The species of nosema used in the study (Nosema apis) has long been thought to be benign compared to the many other parasites and pathogens that infect honey bees, and no one had previously looked for the effect of nosema on behavior with such a low dose.

Dr Crispin Jordan, of the University of Edinburgh's School of Biological Sciences, who led the study, said: «Plants and their flowers exist in all shapes and sizes, and our finding that the arrangement of flowers can influence how bees forage might go some way to explaining how plants, which rely on others species to spread pollen, can influence their own reproduction.»

Then there are the bees: Regardless of whether honeybees become extinct as a species as a result of colony collapse disorder, climate change and other threats, the local extinction of various honeybee populations and the pollination they provide could spell disaster for human agriculture.

To test these and other explanations, researchers examined 38 species of hover flies (Syrphidae) and 10 species of bees and wasps.

Although USDA and EPA have taken «numerous actions to protect the health of honey bees and other species of bees,» beekeepers «continue to report rates of colony losses that they say are not economically sustainable,» the GAO audit says.

Other species such as hummingbirds and bees employ different rapid means of morphing their tongues for improved nectar feeding.

Despite the bees having low genetic diversity and high levels of a nematode parasite that usually castrates other species, 25 per cent of the queens were able to produce offspring.

A fascinatingly flawed new book, Tense Bees and Shell - Shocked Crabs, demonstrates that hunting down consciousness in other species is tough going

As colony collapse disorder and other maladies continue to devastate honeybee populations, researchers are turning their attention to alternative pollinators — the thousands of native bee species throughout the country — and are looking for ways to make croplands more attractive to these wild bees.

Miller - Struttmann and her colleagues then compared other decades - old data about plants visited by the bees with recent work on bee visits, and discovered that these two species had acquired broader tastes than their recent ancestors, taking nectar from many more kinds of flowers than before.

The other good news: In the first global accounting of bee species in more than 100 years, entomologist John Ascher of the American Museum of Natural History documented 19,200 species worldwide, more than all the species of birds and mammals put together.

From tomatoes to pumpkins, most fruit and vegetable crops rely on pollination by bees and other insect species — and the future of many of those species is uncertain.

The absence of a single dominant bumblebee species from an ecosystem disrupts foraging patterns among a broad range of remaining pollinators in the system — from other bees to butterflies, beetles and more, field experiments show.

Because the bees are hard to distinguish by sight, Cunningham's team identified instances of usurpation of one species by the other by assessing the structure of the hives each year when they were opened for honey extraction.

While studying such skirmishes, Cunningham and his colleagues were surprised to find that the stingless bees were being attacked not only by other colonies of their own species but also by colonies of a different species entirely, Tetragonula hockingsi.

The scientists point out that, in the wild (where there are no magnetic wingmen), the females» preference for local males» vibrations could be an early sign of speciation in the red mason bees: If the females of one subspecies stop mating with the other subspecies entirely, the two lineages may eventually become incompatible and diverge into two separate species.

Five other bees per plant species were treated in the same way, visiting other flowers of the same species with the marked stigma.

Field observations of flower - visiting bees (Apis mellifera, different species of Bombus and other genera) at mainly species of Orobanchaceae and Fabaceae have demonstrated that after pollen accumulation on the bees» bodies by the pollen - sacs) and subsequent grooming, residual patches of pollen patches remain in specific areas of the bees» body, mainly on the dorsal and ventral midline of the head, thorax and abdomen [31 — 42].

But bumblebees make up only a fraction of North Carolina's bees, and the struggles faced by other native species are less clear.

Our results also provide credibility to older, often overlooked work by others that associated IIV with bees, tracheal and Varroa mites, Nosema species and severe bee losses.

The work re-ignites arguments to ban neonics, and certainly comparable studies are now need on other pollinator species given that honey bees are by no means the contributor to crop pollination.»

Scientists had suspected that neonicotinoids might affect species other than bees.

We compared singly mated (monandrous) and multiply mated (polyandrous) sister groups of ants and bees and show that seminal fluid of polyandrous species has a more positive effect on the survival of a male's own sperm than on other males» sperm.

As the study is only a correlation, other causes for the decline in the bee species are possible.

The naked mole rat is also one of only two mammal species that are «eusocial» — meaning they live in a colony like ants, termites or bees (the other species being the Damaraland mole rat).

These viruses were detected in eleven other non-Apis hymenopteran species, ranging from many solitary bees to bumble bees and wasps.

There have been some four thousand species of native solitary bees (no colonies) and thousands of other insects (butterflies, flies, beetles, etc.) that pollinate our plants very well.

The recent dramatic losses of thousands of honey bee colonies due to colony collapse disorder (CCD) and other causes [6], [7] has not only created great concerns in the scientific and agricultural community but has also highlighted the ever increasing risk of future crises in the global food supply due to our sole dependence on single pollinator species [8].

Apart from a pollination industry relying on only a few managed pollinators, more than 4000 other species of bees are native to North America.

Bees, butterflies and birds disappearing at alarming rates along with untold other species dead or in decline.

Populations of wild bees and other pollinating species, including butterflies and moths, birds and bats, are being pushed to extinction at startling rates.

Their Worldwide Integrated Assessment highlighted harmful effects of neonics on bees and serious risks to many other beneficial species, including butterflies, earthworms and birds.

This new assessment of 800 peer - reviewed studies confirms concerns about the harmful effects of neonics on bees and other pollinators and also highlights serious risks to many other beneficial species, including butterflies, earthworms and birds.

A good example is the pollination of plants by bees and birds and other species, a service which may be negatively affected by climate change.

Even if farmers are right in their claim that they'd face significant losses without neonicotinoids this year, there comes a time when they have to ask: what kind of losses will they face long term with fewer birds, bees and other species that play such a central roll in a healthy ecosystem.

Drop back and not only are there 258 species of bumble bee, but thirteen whole families of bees, of which apidae, the family to which bumbles belong, is only one — and one shared by a host of other bees.

One of Bowen's kits, the «Pollinator Package,» consists of 32 species of wildflowers and grasses that provide habitat and food sources for bees and other pollinators.

If you want to provide a safe haven for bees, insects and other wildlife, then plant flowering species.