Diptera.info :: Identification queries :: Diptera (adults)
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 Another or same Stegana?
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| donpedro34 |
Posted on 28-09-2022 21:41
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 Member Location: Austria Posts: 37 Joined: 28.07.12 |
Hi forum, Found this on the 15. Mai 2022 in Austria, Vienna. On a dead treetrunk. Fagus sylvatica => beech.  Size 5-6 mm. Earlier in April that year on the same treetrunk I found this:  This was identified by Jan Maca as Stegana hypoleuca. Could the upper one be the same as the lower, the colouration is different. (Thread here: https://diptera.i..._id=105640) Thanks! Regards Per |
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| Jan Maca |
Posted on 29-09-2022 10:12
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Member Location: Posts: 1204 Joined: 25.03.10 |
The upper picture is S. mehadiae. Both species may occur sympatrically and in greater numbers (Bohemia: around Hluboká), which was proved by examination of their genitalia. Still, I have never seen both on the same trunk. They are stenotopic, prefer natural decidual forests. Both were collected from Austria only very long ago, the new findings reward publication. It would be of help if you would collect at east S. hypoleuca in order to prove some morphologic details. This needs good luck, I cross my fingers. |
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| donpedro34 |
Posted on 02-10-2022 08:31
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Member Location: Austria Posts: 37 Joined: 28.07.12 |
Thanks Jan, I will try. |
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| djo |
Posted on 27-03-2023 22:42
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Member Location: Edinburgh, UK Posts: 191 Joined: 16.05.11 |
If you did collect specimens, and could store at in ethanol at -20, I know someone who would love to sequence their genomes! |
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