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Brewer’s yeast or baker’s yeast for bees?

Here’s a question that pops up this time of year: “Can I substitute baker’s yeast for brewer’s yeast when I’m making pollen substitute?” Truth is, I don’t know what the “official” answer is, but here’s my take on the best yeast for bees. Both baker’s yeast and brewer’s yeast are the same species, Saccharomyces cerevisiae, […] Read more

Officially endangered: the rusty-patched bumble bee

It’s official: the US Fish and Wildlife Service has listed the rusty-patched bumble bee, Bombus affinis, as an endangered species. This bee, in the family Apidae, is the first insect from the continental United States to make the list. Last year, seven species of Hylaeus were the first bees to make the list, but they […] Read more