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Possible Rhingia rostrata???

 
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Cliff Raby



Joined: 08 Aug 2010
Posts: 86
Location: Blackpool

PostPosted: Sat Aug 23, 2014 9:29 pm    Post subject: Possible Rhingia rostrata??? Reply with quote

This is probably both a long shot & a poor shot - but whilst out photographing butterflies in South Cumbria today I attempted to photo what I thought at the time was one of the several Rhingia campestris feeding on knapweed.

In the case of this particular hoverfly I only managed to get its backside & was going to delete the shot - but remembered something from Rogers book about R. campestris having a darkened edge to the abdomen whilst R. rostrata doesn't. This one seems more to fit the latter - so I would be interested in your comments??

Well here's the shot: -



I did photo another Rhingia species a short time earlier, but again only got a poor shot, but here it is in case it's of use: -



Cheers

Cliff

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Geoff F



Joined: 10 May 2010
Posts: 155

PostPosted: Thu Aug 28, 2014 5:25 pm    Post subject: Reply with quote

I have found that R. rostrata can have a faint dark line around the abdomen sides, but always a lot less than campestris. Although beware of that species occasionally having reduced edge markings.

The critical point for me however, is the leg colour. Which I would say clearly points to rostrata
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Roger K.A. Morris



Joined: 06 Nov 2005
Posts: 1520

PostPosted: Sat Sep 06, 2014 10:31 pm    Post subject: Reply with quote

Cliff

The uppermost shot is as likely as not R. rostrata so an interesting record - where and when seen please?
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Cliff Raby



Joined: 08 Aug 2010
Posts: 86
Location: Blackpool

PostPosted: Sun Sep 14, 2014 7:23 am    Post subject: Reply with quote

Geoff/Roger - many thanks & my apologies for the delay in replying.

Well chuffed with this as R. rostrata is a new species for me Very Happy .

It was photographed in a clearing in woodland nr. Witherslack in Cumbria, an approx. grid ref is SD433871.

Cheers

Cliff

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Andrew Cunningham



Joined: 01 Jan 2012
Posts: 23

PostPosted: Sun Sep 14, 2014 5:20 pm    Post subject: Reply with quote

Nice one Cliff.

I have been looking out for this amongst the many R. campestris for the last few weeks. A few days ago, I had a good candidate but made the mistake of taking it out of the pooter to examine in the hand.

Yes, it flew away! Sad

Regards,
Andrew.
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