Quote:FLATOW: We've been hearing about, you know, bee populations are in trouble. They're vanishing. They're dying off in some of these colonies, colony collapse. Any good news on that? Is this still going on, colony collapses?
ASCHER: Well, colony collapse is very complicated. I think the best news is that that particular problem is specific to honeybees, and so our native bumblebees and all of our other native bees have a whole host of other problems, but they don't suffer from colony collapse disorder.
The other good news is I think that the researchers studying colony collapse have characterized this much better. They now understand multiple causes that contribute to this. But frankly, I'm not the person to talk about it, because I - to address this, because I really focus on the non-honeybees.
FLATOW: Yeah, because people think, well, bees are thinking about honeybees. But there are - how many different kinds of bees are there?
ASCHER: Well, I maintain a database, which is available at a biodiversity portal called Discover Life, and this lists 20,000 valid bee species.
FLATOW: Twenty thousand.
ASCHER: Worldwide, yes. And we know that this is just a big underestimate because there are vast numbers of new species that have not yet been described that we know about that are waiting in our collections for a taxonomist to have the resources to describe them.
(03-09-2013, 06:30 PM)UniqueStranger Wrote: Bees and beekeeping are such interesting subjects, such as the caffeine they ingest from plants help boost their memories (see link below) - also they can tell the difference from electrical-field and non-elecgtrical field flowers.
I was privileged to have them. They're a whole new level of ... life. And i get them back I just hope more
Quote:The widespread use of imidacloprid has been linked to colony collapse disorder, a phenomenon described by beekeepers, researchers and government officials when entire hive populations seem to disappear, apparently dying out. France has put restrictions on the use of imidacloprid (GauchoT) since the 1990s over concerns for the bee population.
Canada hasn't restricted use of the product despite warnings that similar impacts on bees were being felt here.
Prince Edward Island beekeepers have reported serious losses of bees which they believe since 1995 is linked to residues from imidacloprid. Potatoes on the island have been treated with soil applications of Admire (imidacloprid) to prevent Colorado potato beetle. It is believed that the rotational clover and canola crops have sublethal residues of imidacloprid in the pollen and nectar which cause slow death of bees in the colony.
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