Diptera.info :: Identification queries :: Diptera (adults)
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 Sicus sp.
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| lweit |
Posted on 11-07-2006 22:26
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
I've seen this fly on flower in a wood, i think it's Sicus ferrugineus I've seen this fly in a precedent message Is'nt it Louis lweit attached the following image:  [127.68Kb] |
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| lweit |
Posted on 11-07-2006 22:27
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Another phot of this fly Photo taken in NE of France, near Metz. lweit attached the following image:  [119.61Kb] |
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| Tony Irwin |
Posted on 11-07-2006 22:47
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 Member Location: Norwich, England Posts: 7214 Joined: 19.11.04 |
Yes, Sicus ferrugineus - see http://www.dipter...#post_9969.
Edited by Tony Irwin on 11-07-2006 22:57 Tony ---------- Tony Irwin |
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| Perseus |
Posted on 12-07-2006 12:44
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Member Location: Posts: 55 Joined: 11.08.05 |
 From Shoreham, Sussex on 11 July 2006, edge of town. Adur Valley (West Sussex VC13) Nature Notes http://www.glaucus.org.uk/Adur2006.html Adur Valley Nature Notes: July 2006 http://www.glaucus.org.uk/July2006.html Adur Valley & Downs Gallery http://www.flickr.com/groups/adur/pool/ View and upload your Sussex Wildlife Images to: http://www.flickr.com/groups/sussexwildlife/ |
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| lweit |
Posted on 12-07-2006 13:41
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
What the difference between a male and a female On my photos is a male or a female ?? Thank you Louis |
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| Tony Irwin |
Posted on 13-07-2006 00:55
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Member Location: Norwich, England Posts: 7214 Joined: 19.11.04 |
Louis - female conopids have a complex abdominal structure where the fifth segment is produced ventrally to form a theca (though this is quite small in Sicus ferrugineus), and the seventh and eighth segments are enlarged as well. These structures form a clasping organ used when ovipositing on bees and wasps. By comparison the male genitalia are insignificant! In the Gallery, Gerard has posted a number of good photos of specimens which show the differences well. Your photos show a female. Perseus - your Shoreham fly has a much shorter second tergite. This could be a male S. ferrugineus, or a male or female S. abdominalis (that would be a great find!). Another possibility is that it could be a Myopa species which can look rather like a stumpy Sicus. On balance I'd plump for a male S. ferrugineus. Tony ---------- Tony Irwin |
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