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Diptera.info :: Identification queries :: Diptera (adults)
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Stigmatomyces
jeremyr
#1 Print Post
Posted on 13-03-2014 12:15
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what is the attachment beneath this fly? It looks like a bunch of flattened scorpion-tail-tips. swept from daffodils

thanks,
Jeremy
jeremyr attached the following image:


[44.67Kb]
Edited by jeremyr on 18-12-2015 13:28
 
jeremyr
#2 Print Post
Posted on 13-03-2014 12:16
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whole fly
jeremyr attached the following image:


[30.26Kb]
 
Jan Willem
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Posted on 13-03-2014 12:59
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Hmm, I'm jealous. I've studied really many opomyzid specimens, but sofar never encountered one with Laboulbeniales on it. Laboulbeniales are fungi that occur on arthropods. More common on Coleoptera than on Diptera.
In this case it most probably is Stigmatomyces geomyzae.
The host in this case is a male of Geomyza tripunctata.
Edited by Jan Willem on 13-03-2014 12:59
Jan Willem van Zuijlen
 
Jan Willem
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Posted on 13-03-2014 15:06
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Hi Jeremy,
Walter Rossi, a specialist in Laboulbeniales, also thinks that the fungus species is most likely Stigmatomyces geomyzae because this is the only species reported so far on Opomyzidae and because the wall cells of the perithecium are arranged spirally.

Could you add some details on where and when you did collect this specimen?
Edited by Jan Willem on 13-03-2014 15:06
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jeremyr
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Posted on 14-03-2014 02:15
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many thanks Jan,

the specimen was collected on 7th March from daffodils outside my flat in Tottenham

OS grid ref: TQ331903

Lat/Lng: 51.59631, -0.07898

Jeremy
 
Jan Willem
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Posted on 14-03-2014 12:56
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Thanks for the details Smile
Jan Willem van Zuijlen
 
jeremyr
#7 Print Post
Posted on 18-12-2015 13:30
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here's one that's turned up on what looks like a a Sphaerocerid. Would that make it Stigmatomyces burdigalensis?

http://www.ispotn...ode/760808

Jeremy
 
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