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The Society for the study of flies (Diptera)

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#1 2017-10-11 17:48:03

StevieG
DF Members
Name: Steve Garland
From: Lancaster
Registered: 2015-07-26
Posts: 20

Scathophagidae - Parallelomma vittatum?

I'm 99% sure I'm right on this, but just checking.  It keyed fine to this species, except the key says short/bare arista, whereas this specimen has clearly long-haired arista.  Also it is slightly above the sizes given, at wing length of about 4.8mm - so thought I'd check before iRecording it.


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Last edited by StevieG (2017-10-11 17:48:44)

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#2 2017-10-11 18:02:40

Tony Irwin
DF Members
Name: Tony Irwin
From: Norwich
Registered: 2008-03-01
Posts: 650

Re: Scathophagidae - Parallelomma vittatum?

Have you discounted Cordilura albipes?

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#3 2017-10-11 19:08:39

StevieG
DF Members
Name: Steve Garland
From: Lancaster
Registered: 2015-07-26
Posts: 20

Re: Scathophagidae - Parallelomma vittatum?

I'm looking at it again - I could only see one humeral bristle, but now see there is a hair that could be a large enough to be called bristle.  I'm guessing the bristle is much weaker on Parallelomma.  The hairy arista is really the clincher for Cordilura I guess?   Still a new one for me in N Lancs anyway!
Thanks

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