Now the tiny residential row has garden parties and other get-togethers along with bumblebees and birds.
CNN: Guerrilla gardeners green their city on secret moonlit missions
Stripes on petal veins direct bumblebees to the flower's "central landing platform" and entrance to gather nectar and pollen.
BBC: A bumblebee extracting nectar and pollen from a snapdragon
Jane Gilmour from the Guernsey Biological Records Centre says changes in land use and climate are pushing Guernsey bumblebees close to extinction.
Bumblebees are less studied than their honeybee cousins, but they also pollinate many commonly eaten crops, including strawberries, raspberries and runner beans.
"Bumblebees need a range of flowers that come in to flower at different times and that is what you find in traditional grasslands, " she said.
When I was there last, I bought mulberries the size of bumblebees and great punnets of wild mushrooms for just a few quid.
The new technique could help amateur naturalists and professional field workers in the front line of monitoring decades of decline in Britain's native bumblebees.
This new shareholding majority comprises a rich and flourishing taxonomy of investors: income turtles, value fish, growth hounds, short worms, hedge caterpillars, option rabbits, day-trading bumblebees, and so on.
The air is thick with bumblebees and marbled white butterflies.
The first, from a group led by Penelope Whitehorn and David Goulson of the University of Stirling, in Britain, examined the effects these insecticides have on bumblebees, which are closely related to honeybees.
It has been known for some time, for example, that Eristalis intricarius and Volucella pellucens, two European species of hoverfly that are poor mimics of bumblebees in general, and do not resemble any particular species, are widespread and common.
Last year, one study showed that bumblebees exposed to high doses of the neonic imidacloprid in the lab, then released to forage in the field, had sharply reduced colony growth rates and produced 85 percent fewer queens to found new colonies.
FORBES: Science Collapse Disorder -- The Real Story Behind Neonics And Mass Bee Deaths
应用推荐