Diptera.info :: Identification queries :: Diptera (adults)
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 Drosophilidae > Hirtodrosophila confusa (?)
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| djo |
Posted on 24-07-2011 22:43
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Member Location: Edinburgh, UK Posts: 192 Joined: 16.05.11 |
I'm pretty sure this is Drosophilidae, and I have hte fly (will take a closer look tomorrow) but any suggestions wellcome! Taken on a bracket fungus in woodland, July 2011, Edinburgh, UK. djo attached the following image:  [160.6Kb] Edited by djo on 25-07-2011 09:35 |
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| djo |
Posted on 24-07-2011 22:44
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Member Location: Edinburgh, UK Posts: 192 Joined: 16.05.11 |
Not sure if it helps, but here are a couple of additional views
djo attached the following image:  [191.34Kb] Edited by djo on 24-07-2011 22:53 |
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| djo |
Posted on 24-07-2011 22:45
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Member Location: Edinburgh, UK Posts: 192 Joined: 16.05.11 |
view 3
djo attached the following image:  [168.45Kb] |
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| djo |
Posted on 25-07-2011 09:34
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Member Location: Edinburgh, UK Posts: 192 Joined: 16.05.11 |
Ok, I think this is Drosophila (Hirtodrosophila) confusa. However, trying to follow the key in The Drosophilidae (Diptera) of Fennoscandia (FAUNA ENTOMOLOGICA SCANDINAVICA 39, Bächli et al) I'm unsure about the presence of a 'preapical seta' on the mesotibia. Figures 10 & 11 page 12 of this text indicate that the apical seta is at the lower (away from body) end of the 1st tarsal segment and points posteriorly, whilst the pre-apical seta is at the lower end of the tibia and point anteriorly. No mention is given to setae in roughly the same positions but on the other side of the joint that point in the other direction. Do these get names? Also does 'pre-apical' imply it's not right at the joint? For example, in fig 10 page 12 is there a very large (unlabelled) preapical seta? I will continue these questions in another thread... |
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