Diptera.info :: Identification queries :: Diptera (adults)
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 Strange Empid Parasite?
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| R2DD |
Posted on 24-09-2009 18:52
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 Member Location: Co. Cork, Ireland. Posts: 209 Joined: 06.07.09 |
Dear Dipterists please tell me what this strange organism is that is erupting laterally out of the abdomen of this poor individual. I have found this occurence in mainly this species of Empididae but also in some Lauxanids. Any help would be grateful!
R2DD attached the following image:  [92.91Kb] Edited by R2DD on 24-09-2009 19:02 Rob D Corcaigh, Eire.  |
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| R2DD |
Posted on 24-09-2009 19:06
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Member Location: Co. Cork, Ireland. Posts: 209 Joined: 06.07.09 |
Photo 2
R2DD attached the following image:  [110.47Kb] Rob D Corcaigh, Eire. |
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| phil withers |
Posted on 24-09-2009 19:18
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Member Location: Lyon, France Posts: 521 Joined: 04.03.08 |
Eversible sense organs (not sure the function is really know): most noticeable in speciemns taken in Malaise traps (absorption of fluid progressively blows them out) |
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| Maddin |
Posted on 24-09-2009 19:22
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 Member Location: Sacramento CA USA Posts: 161 Joined: 30.06.05 |
I am not completely sure, but I think it is not a parasite, it is "natural". I have seen this several times in Empids...
Martin Hauser |
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| igor |
Posted on 24-09-2009 19:43
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Member Location: Posts: 212 Joined: 23.11.06 |
Hi, The specimen should be Rhamphomyia [female]. The "strange organism" is abdominal pleural sacs. They can be found in females of many Rhamphomyia and Empis species and probably are signalling device that increases the size of female's silhouette to prospective males when swarming. Although, pheromone emitting function is also quite possible. Best regards, Igor Shamshev |
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| R2DD |
Posted on 24-09-2009 19:54
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Member Location: Co. Cork, Ireland. Posts: 209 Joined: 06.07.09 |
Wow you guys are amazing, thanks for all of the insight and suggestions, I love this site
Rob D Corcaigh, Eire. |
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| Paul Beuk |
Posted on 24-09-2009 22:15
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 Super Administrator Location: Netherlands Posts: 11821 Joined: 11.05.04 |
Rhamphomyia tibiella, b.t.w.
Paul - - - - Paul Beuk on www.diptera.info |
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| R2DD |
Posted on 25-09-2009 11:15
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Member Location: Co. Cork, Ireland. Posts: 209 Joined: 06.07.09 |
Thanks a lot Paul
Rob D Corcaigh, Eire. |
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...what you prefer, we can discus this, during some good wine, cheese and many new pinned flies!