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1238 Views 3 Replies Last post: Jun 8, 2011 4:25 PM by norwegica RSS
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May 6, 2011 10:55 AM

Digger Wasp?

These wasps are very common at the moment ( But like most wasps hard to photograph as they seldom stop ). I observed them around grassy areas where wasp holes were present. I wasn't sure if they belonged to these wasps the holes were larger than I would expect for a Wasp of this size. Perhaps they are parasitic?
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    May 6, 2011 7:26 PM (in response to John)
    Re: Digger Wasp?
    Actually it's not a wasp, it's a bee, of the genus Nomada.  They are common - I have them in my garden, and it must have been a good year for them as I don't recall seeing them before.  I suspect yours is the same as mine, Nomada fulvicornis, although I did refer to an expert to check.  They are parasitic on Andrena bees.
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    Jun 8, 2011 4:25 PM (in response to John)
    Re: Digger Wasp?

    Probably Nomada marshamella.

     

    In general:

    Wasps feed their young on other insects, so are predatory

    Bees feed their young on pollen/nectar.

     

    So the bodies of each group have evolved to suit their particular method of living/breeding - though since bees evolved from wasps their overall body plan is similar.

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