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Cuckoo Bees (Nomadinae)
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Nomad Bees (Nomadini)
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Nomad Bees (Nomada)
Photo#269690
Copyright © 2009
Phil Huntley-Franck
Bee -
Nomada
Elkton, Douglas County, Oregon, USA
April 22, 2009
Size: approx 1/2 inch
Lots of these buzzing around the short grass, weeds and clover. They hardly ever stop. I suspect they're hunting for something, though I never see any fly off with a prize.
Help to ID would be greatly appreciated.
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Contributed by
Phil Huntley-Franck
on 26 April, 2009 - 11:25pm
Last updated 27 April, 2009 - 8:56pm
Cuckoo bee (Nomada sp.)
They were all looking for a suitable (e.g., not guarded for a while) nest of the host bee species. These hosts belong most often to genus Andrena, but virtually all earth nesting bees can be parasitized by at least one species of Nomaada.
…
Richard Vernier
, 27 April, 2009 - 6:34am
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virtually all earth nesting bees can be parasitized by at least
Not so.
Nomada are host specific and parasitize only some earth nesting bee genera, not virtually all or even most.
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John S. Ascher
, 27 April, 2009 - 7:18pm
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Of course Nomada bees are quite host specific...
and I must apologize for my clumsy English.
But outside Apidae and Megachilidae families, many, if not most, earth nesting bee genera have to deal with at least one Nomada parasite, albeit rare.
That said, Andrena reminds by far the most heavily parasitized genus.
…
Richard Vernier
, 27 April, 2009 - 9:37pm
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