Diptera.info :: Identification queries :: Diptera (adults)
 heterochelia buccata or malacomyia sciomyzina?
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| Finlay |
Posted on 12-12-2019 16:32
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Member Location: Scotland Posts: 13 Joined: 21.11.19 |
Found many of these on a beach in East Lothian a week ago and now have a healthy colony in my lab. This was one of the larger males collected measuring around 8mm from the start of the thorax to the end of the abdomen. I think they are H. buccata given the time of year and the size however it appears very "coelopid like" and taxanomically M.sciomyzina are more coelopid so I wanted to check. If anyone knows any diagnostic features to differentiate between these two and/or has a good key I would be very grateful. I can take more pictures of specific features if necessary. Thanks! 
Finlay attached the following image:  [173.2Kb] Edited by Finlay on 12-12-2019 16:33 |
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| Finlay |
Posted on 12-12-2019 16:34
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Member Location: Scotland Posts: 13 Joined: 21.11.19 |
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| Finlay |
Posted on 12-12-2019 16:34
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Member Location: Scotland Posts: 13 Joined: 21.11.19 |
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| Finlay |
Posted on 12-12-2019 16:35
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Member Location: Scotland Posts: 13 Joined: 21.11.19 |
Front leg
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| Finlay |
Posted on 12-12-2019 16:36
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Member Location: Scotland Posts: 13 Joined: 21.11.19 |
Middle leg
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| Finlay |
Posted on 12-12-2019 16:37
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Member Location: Scotland Posts: 13 Joined: 21.11.19 |
rear leg
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| Xylosoma |
Posted on 12-12-2019 16:59
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Member Location: Posts: 43 Joined: 14.10.19 |
Its is Heterocheila buccata. It should be possible to find Malacomyia in Dezember too. Xylo |
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| Ectemnius |
Posted on 12-12-2019 18:48
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Member Location: The Netherlands Posts: 865 Joined: 22.11.11 |
Hello Finaly & Xylo, Phylogenetically these families are very close. Coelopidae, Dryomyzidae, Heterocheilidae and Helcomyzidae belong in Sciomyzoidea. Together with Sciomyzidae and Sepsidae. The sepsid Orygma luctuosum was even classified in Coelopidae because of its similarity. Kind regards, Ectemnius |
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| Tony Irwin |
Posted on 12-12-2019 21:23
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 Member Location: Norwich, England Posts: 7306 Joined: 19.11.04 |
Malacomyia has a produced mouth-edge, whereas that of Orygma and Heterocheila is receding. There are plenty of good images on-line (though I'd stick with those on Diptera.info which will have been checked reliably).
Tony ---------- Tony Irwin |
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| Finlay |
Posted on 14-12-2019 15:53
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Member Location: Scotland Posts: 13 Joined: 21.11.19 |
Amazing, thanks for all your help! |
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