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Diptera.info :: Family forums :: Syrphidae
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Criorhina ranunculi (thanks Martin Hauser) Bumblebee mimic:
Nick Upton
#1 Print Post
Posted on 21-04-2010 18:10
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Location: Wiltshire, UK
Posts: 789
Joined: 12.03.10

I really thought this was a red-tailed bumblebee Bombus lapidarius until I looked very closely and saw the dipteran antennae and hint of halteres. I then thought maybe Volucella bombylans, but with wings closed (better mimicry!), big hind legs and no plumose aristas I think that makes this a Merodon equestris and this colour form is I think validus. Can anyone confirm this?

Wlltshire, southwest UK 21.4.10

Nick Upton
Nick Upton attached the following image:


[189.04Kb]
Edited by Nick Upton on 21-04-2010 19:03
Nick Upton - naturalist and photographer
 
Nick Upton
#2 Print Post
Posted on 21-04-2010 18:11
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Location: Wiltshire, UK
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Joined: 12.03.10

And another view...
Nick Upton attached the following image:


[122.34Kb]
Nick Upton - naturalist and photographer
 
Maddin
#3 Print Post
Posted on 21-04-2010 18:43
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Location: Sacramento CA USA
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This is much better than Merodon, it is Criorhina ranunculi. Very nice spring species. This species can have a white tip of the abdomen or can be nearly completely whitish/light brown..
Martin Hauser
 
http://www.cdfa.ca.gov/phpps/ppd/staff/mhauser.html
Nick Upton
#4 Print Post
Posted on 21-04-2010 19:02
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Location: Wiltshire, UK
Posts: 789
Joined: 12.03.10

Many thanks Martin for this really fast and knowledgeable response. That's why I post pics on this site! I read on the hoverfly recording scheme site that it's often active high up and may be much under reported as a result. Its status seems to be scarce, known from just 40 sites in the UK since 1960 according to info on the site. Maybe I should send this record in...
Nick Upton
Nick Upton - naturalist and photographer
 
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