Diptera.info :: Identification queries :: Diptera (adults)
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 Muscidae? > Thricops ?
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| Robert Heemskerk |
Posted on 05-10-2008 22:41
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 Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
Hi flyforum, Last week I found this fly. I cannot see what kind of fly.., My guess is Muscidae and perhabs Thricops? If anyone can help me some further, you're welcome.. from what I see, the arista is bare. Obvious are the dark lines between the tergites (abdomen) Also the fly got many grey and the eyes are a bit traffic red.. date: 20-09-2008 place: Amsterdam forest Robert Heemskerk attached the following image:  [119.97Kb] Edited by Robert Heemskerk on 05-10-2008 22:46 Greeting, Robert Heemskerk ---- WWW: http://robertheem...ndedag.htm --- |
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| Robert Heemskerk |
Posted on 05-10-2008 22:43
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
picture 2 - lateral view
Robert Heemskerk attached the following image:  [149.75Kb] Edited by Robert Heemskerk on 05-10-2008 22:43 Greeting, Robert Heemskerk ---- WWW: http://robertheem...ndedag.htm --- |
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| Robert Heemskerk |
Posted on 05-10-2008 22:44
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
picture 3
Robert Heemskerk attached the following image:  [134.97Kb] Edited by Robert Heemskerk on 05-10-2008 22:44 Greeting, Robert Heemskerk ---- WWW: http://robertheem...ndedag.htm --- |
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| Stephane Lebrun |
Posted on 06-10-2008 08:10
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 Member Location: Le Havre, France Posts: 8248 Joined: 03.03.07 |
This is a female Fannia : hemispherical head with broad orbital plates, bare arista, 2 strong upper orbital setae, one reclinate, the other inclined outward, typical subcosta shape (straight and diverging from R1 close to its base), A1 very short while A2 is long and bent and stop beyond apex of A1, 3 post dc and complete row of ac, a true submedian dorsal seta on hind tibia...
Edited by Stephane Lebrun on 06-10-2008 09:18 Stephane. |
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| Nikita Vikhrev |
Posted on 06-10-2008 12:14
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 Member Location: Moscow, Russia Posts: 9229 Joined: 24.05.05 |
I'd say, it is Fannia of canicularis-subgroup, either F.difficilis or F.canicularis itself. Nikita Nikita Vikhrev - Zool Museum of Moscow University |
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| Robert Heemskerk |
Posted on 07-10-2008 00:04
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
Thank you very much Stephane and Nikita, for your explanation and suggestion. The typical subcosta shape (straight and diverging from R1 close to its base), is rather good visible and I should have known.., Xespok told me before.. In the dutch specieslist, there is no F. difficilis? Perhabs this list is not complete..? I read that Fannia is a very large genus of approximately 288 species of flies. ''The genus was orriginally described by the French entomologist Jean-Baptiste Robineau-Desvoidy in 1830. A number of species were formally placed in the genus Musca'' So, it wasn't bad at all thinking it was Muscidae 
Greeting, Robert Heemskerk ---- WWW: http://robertheem...ndedag.htm --- |
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