Sentences with phrase «by bumblebees»

«Some crops can only be pollinated by bumblebees, for instance, because they rely on the specific way a bumblebee buzzes, or vibrates when it reaches a flower, is what shakes out the pollen, and other bees just can't do that,» Frank said.

After just 11 generations, they found that the plants visited by bumblebees were taller, twice as fragrant, and reflected more UV light — a visual signal for bees.

In the laboratory, Gegear and his students observed the behavior of foraging bees using arrays of paper flowers that mimicked the blooms of Mimulus lewisii (purple monkey flower), which is pollinated primarily by bumblebees, and a related species, Mimulus cardinalis (scarlet monkey flower), which is pollinated primarily by hummingbirds.

University of Sussex PhD researcher Thomas Wood, supervised by bumblebee expert Professor Dave Goulson, compared farms with and without HLS schemes to measure the abundance of bumblebee colonies.

Transformers: The Last Knight opens in U.S. theaters on June 23, 2017, followed by the Bumblebee spinoff on June 8, 2018, and Transformers 6 on June 28, 2019.

My Turn Featuring work by: Bumblebee, Hyuro, Interesni Kazki, Jaz, Klone, LineLineDot, Moneyless, Penny, Stinkfish, Zeus Curated by Bumblebee Opening Reception: Saturday, March 17,...

My Turn Featuring work by: Bumblebee, Hyuro, Interesni Kazki, Jaz, Klone, LineLineDot, Moneyless, Penny, Stinkfish, Zeus Curated by Bumblebee Opening Reception: Saturday, March 17, 6 - 9 pm Carmichael Gallery 5795 Washington Blvd Culver City, CA 90232 Please RSVP to rsvp at carmichaelgallery dot com.

The parasite was brought to the US by bumblebee breeders.

Not exact matches

Though he may be stimulated by the sting of some bumblebee to heroic display and frenzied abandon, he will return to the simple wonder of sniffing daisies under his marvelous cork tree.

It was his brainstorm to coordinate the corps by color - coded tuxedos: sky blue for the parking valets, lime green for the greeters and bumblebee yellow for the transportation corps.

We spent a good deal of time sliding through a water park surrounded by glistening mossy glens, enormous magenta petunias and rather large and friendly bumblebees.

Fortunately, Czech bumblebee enthusiast Jaromír Čížek has at last succeeded in getting the bees to breed in captivity, by feeding captive queens exclusively with high - quality bumblebee pollen instead of honeybee pollen, as had previously been attempted.

The study found that infection by the parasite slightly impaired learning in honeybees, however the parasite did not infect bumblebees.

This mimicked ambush by sit - and - wait predators such as crab spiders that bumblebees in the wild often survive after a brief struggle.

About the size of «a hair on a bumblebee,» he says, with a circuit the size of a dime, it contains no optical lenses and works by allowing a small volume of fluid to flow across a microchip, which then sends images of the sample to a computer.

South American native bumblebees (Hymenoptera: Apidae) infected by Nosema ceranae (Microsporidia), an emerging pathogen of honeybees (Apis mellifera).

The arrival of tree bumblebees could be hugely beneficial to us by absorbing parasite pressure from our native species, as well as helping to pollinate wild plants and crops.»

Overall, they found that the total food resources available to alpine bumblebees had fallen by 60 percent since the 1970s.

Another study concluded that four species of American bumblebees have lost up to 87 percent of their habitat, slashing their ranks by 96 percent.

In the wild, bumblebees are sometimes attacked by lurking crab spiders.

When they looked at the flowers visited by the alpine bumblebee species, they found that the bees» favorite flowers had not shifted to a shallower form, but were less prolific.

Low levels of pesticides can impact the foraging behaviour of bumblebees on wildflowers, changing their floral preferences and hindering their ability to learn the skills needed to extract nectar and pollen, according to a study co-authored by a University of Guelph professor.

However, when red flowers were placed in the horizontal orientation and lavender flowers were placed in a vertical orientation — mimicking the natural flowers of Mimulus cardinalis and Mimulus lewisii — visits by foraging bumblebees dropped dramatically.

Low levels of pesticides can impact the foraging behaviour of bumblebees on wild flowers, according to a study co-authored by a University of Guelph professor.

But a recent paper in the journal Ecology suggests that flowers that are visited almost exclusively by hummingbirds are actually designed not to lure birds, but to deter bumblebees and their wasteful visits.

By focusing on domesticated bees, the claim goes, we are neglecting a far more endangered pollinator, the wild bumblebee.

«Neonics put bumblebees at risk of extinction by hindering colony formation, study reveals: Exposure to thiamethoxam reduces the chances of a bumblebee queen starting a new colony by more than a quarter.»

Just last month, for example, a team reported that bumblebees may use electrical fields to identify flowers recently visited by other insects from those that may still hold lucrative stores of nectar and pollen.

But they fly right by the pink Mimulus lewisii, which attracts bumblebees in an equally exclusive relationship.

«There is correlational evidence to suggest that this parasite may have either been brought in or hugely increased in its abundance by the invasive bumblebee, but there is no causal evidence.

Three factors suggest that honeybees are spreading the parasites into wild bumblebees: honeybees have higher background levels of the virus and the fungus than bumblebees; bumblebee infection is predicted by patterns of honeybee infection; and honeybees and bumblebees at the same sites share genetic strains of DWV.

This suggests that some viruses are predominantly spread by honeybees, whilst others rely on wild bumblebees.

Bumblebees» ability to produce the buzzing — or vibration — that enables them to pollinate key commercial food crops may be harmed by the controversial pesticides neonicotinoids, according to new research.

They may have tiny brains, but bumblebees are capable of some remarkable learning feats, especially when they might get a tasty reward, according to two studies by University of Guelph researchers.

Most bumblebees do not live in isolation, but in colonies of tens to hundreds of related individuals founded each year by a single queen bee after the winter's hibernation.

In S. pratensis, 20 % of the safe site area on the bumblebees» thorax was contaminated by the pollen - sacs and 9 % by the stigmas.

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

Nevertheless, variations in evolutionary signatures of selection amongst immune genes from bumblebees and honeybees may point to different pressures exerted by the distinct pathogens that threaten these bees.

Alan Boyle, NBC News Scientists say wild bumblebee species are being squeezed into extinction by climate change in North America and Europe — so much so that some of them might need help from us humans to find safe havens.

During those same years, some of the bumblebees» southern borders moved north by around 300 kilometers (186 miles).

His designs are inspired by nature, with his signature being the bumblebee.

Ferguson's wedding dress, designed by Lindka Cierach, featured heavy beadwork, depicting symbols that were personally significant to the couple — including hearts, anchors, thistles, and bumblebees.

I guess I was inspired by a «Bumblebee» this morning because I'm wearing a black and white striped skirt with a layered yellow sweater, black boots and a black faux fur vest!

The Autobots Bumblebee, Ratchet, Ironhide and Sideswipe led by Optimus Prime, are back in action, taking on the evil Decepticons, who are determined to avenge their defeat in 2009's Transformers: Revenge of the Fallen.

The Scoop: 2001 R, Directed by Alfonso Cuaron and starring Ana Lopez Mercado, Diego Luno, Gael Garcia Bernal and The Bumblebee Guy

The only Autobots that stood out in the battle sequences were Optimus Prime (voiced by Peter Cullen) and Bumblebee.

Late last week, Transformers fans were told by Hasbro that the movie franchise was heading into reboot territory following the release of Bumblebee.

With no Star Wars movie this December, Aquaman, Bumblebee, Holmes & Watson, and Alita are all battling to take the Christmas box office by storm.

Taking some time out to from Black Panther promo, the British actress turned heads in a slim - fitting velvet gown by Gucci, complete with diamanté straps and an army of glittering bumblebees.

That room also spawned the Bumblebee spinoff to be directed by Kubo and the Two Strings helmer Travis Knight, and over at Universal they've got a writers room developing stories and scripts for future Universal Monster Movies that will tie into this summer's The Mummy.