Diptera.info :: Identification queries :: Diptera (adults)
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 metallic blue flies on Hogweed
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| cebe |
Posted on 17-08-2014 17:55
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Member Location: Posts: 97 Joined: 16.05.06 |
Yesterday I saw in Brussels those small metallic blue flies with a special interest in the stem below the umbel of hogweed. What could it be and do they feed on mildew? Thanks Bart     |
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| ValerioW |
Posted on 17-08-2014 18:07
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 Member Location: Padova - Italy Posts: 982 Joined: 01.06.12 |
Lonchaea sp. (Lonchaeidae) |
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| Paul Beuk |
Posted on 19-08-2014 21:41
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 Super Administrator Location: Netherlands Posts: 19367 Joined: 11.05.04 |
Massing of specimens reminds me of Silba fumosa
Paul - - - - Paul Beuk on https://diptera.info |
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| Iain MacGowan |
Posted on 28-08-2014 14:48
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 Member Location: Perth, Scotland Posts: 446 Joined: 25.11.04 |
Hi Bart yes I agree with Paul they could be Silba fumosa - this species is well known as breeding in decaying hogweed roots and stems so they could well have just emerged - but given most are females and look a bit gravid they could be congregating at a particullarly good oviposition site Iain http://lonchaeidae.myspecies.info/ Iain MacGowan |
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