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Breeding larvae from sap runs?

 
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conopid



Joined: 03 Sep 2005
Posts: 342
Location: Shrewsbury, Shropshire

PostPosted: Thu May 15, 2008 12:48 pm    Post subject: Breeding larvae from sap runs? Reply with quote

Very Happy I have just located a stack of syrphid larvae in a sap run on oak (about 50 yards from my office). My question is, does anyone have experience of breeding from such larvae? Presumably one needs to try and collect the pupae, but how is this done?

All suggestions welcome. I have photos which I shall post tonight.

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Nigel Jones
Shrewsbury
Shropshire
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Roger K.A. Morris



Joined: 06 Nov 2005
Posts: 1583

PostPosted: Thu May 15, 2008 8:56 pm    Post subject: Reply with quote

Hello Nigel

Graham Rotheray might advise - I suspect the bulk will be Brachyopa but also possibly Ferdinadea, and maybe others (Psilota and V. inflata come to mind)

I'd be inclined to keep an eye on the sap run and look for adults visiting it at the moment

Regards

Roger
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conopid



Joined: 03 Sep 2005
Posts: 342
Location: Shrewsbury, Shropshire

PostPosted: Thu May 15, 2008 9:07 pm    Post subject: Reply with quote

Hi Roger,
They all appear to be Ferdinadea. But there is a lot of stuff in the sap run. I'll certainly be keeping watch for visiting adults. The tree is a useful coffee break walk away from the office. I have posted photos on the Dipterists Forum website - Larvae Gallery.

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Nigel Jones
Shrewsbury
Shropshire
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