Diptera.info :: Identification queries :: Diptera (adults)
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 Tiny bibio
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| peterbolson |
Posted on 20-08-2010 20:07
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Member Location: Cumbria, UK Posts: 276 Joined: 07.06.10 |
Found on yarrow. 5mm long. Looking through the gallery it looks most like Bibio ferruginatus. Can anyone tell me if this could be correct. Thanks Peter peterbolson attached the following image:  [116.91Kb] |
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| ChrisR |
Posted on 20-08-2010 20:13
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 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Just noticed - it isn't Bibio - it's Dilophus  Most Bibio have a swollen fore tibia and Dilophus have rings of thorns on the fore tibia. Edited by ChrisR on 20-08-2010 20:14 Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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| peterbolson |
Posted on 20-08-2010 21:39
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Member Location: Cumbria, UK Posts: 276 Joined: 07.06.10 |
Thanks Chris. So which one ? Wings don't look dark enough for Dilophus febrilis, and also seems too small. Peter |
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| Zeegers |
Posted on 20-08-2010 22:15
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Member Location: Soest, NL Posts: 18723 Joined: 21.07.04 |
Wing colouration is strongly sexual dimorph.| Females Dilophus febrilis are easy from pic and males hopeless. Nevertheless, any Dilophus is febrilis untill proven otherwise, since it is so common and others are so local and/or rare. Theo |
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| peterbolson |
Posted on 20-08-2010 22:51
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Member Location: Cumbria, UK Posts: 276 Joined: 07.06.10 |
Thanks Theo That's very interesting. Peter |
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