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View Thread :: Identification queries :: Diptera (adults)
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#1 Print Post
Posted on 17-10-2006 07:08

Location: Rome, Italy
Posts: 466
Joined: 20.06.05

Would this be a Sphaeroceridae? Photographed yesterday in woodland near Rome, about 5 mm long.

Thanks, Sarah.
Paul Beuk
#2 Print Post
Posted on 17-10-2006 08:27
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Location: Netherlands
Posts: 19037
Joined: 11.05.04

Alas, no, this is Calliopum of the Lauxaniidae.

- - - -

Paul Beuk on
#3 Print Post
Posted on 17-10-2006 09:05

Location: Rome, Italy
Posts: 466
Joined: 20.06.05

Just isn't my lucky period Frown. Thanks Paul, Sarah.
Robert Nash
#4 Print Post
Posted on 17-10-2006 10:22

Location: Ulster Museum, Belfast, Ireland
Posts: 288
Joined: 11.11.05

Hint:Wink Sphaeroceridae which are often seen on dung are very active flies which disperse quickly when disturbed as Phoridae do. The wing venation is very different from Phoridae however.Also in Sphaeroceridae the hind metatarsus (basal tarsal joint) is usually very short and often dilated.Compare this lauxaniid with the gallery pics of Sphaeroceridae and look at the Phorid pics for the wing venation differences.Once Sphaeroceridae are recognized they are easy to place in the correct familyPfft. Dtermination is more difficult but the wing venation pics in Seguy's Faune de France volume are a real help.
#5 Print Post
Posted on 18-10-2006 07:42

Location: Rome, Italy
Posts: 466
Joined: 20.06.05

Thanks Robert, when I get a moment later on I'll do some homework in the gallery... which is really getting to be an amazing resource. Sarah
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