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 Sexually dimorph Dioctria from France Provence
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| Ectemnius |
Posted on 25-01-2014 22:01
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Member Location: The Netherlands Posts: 846 Joined: 22.11.11 |
The following photo's show a species of Dioctria who is sexually dimorph, like D. cothurnata. The key of Weinberg & Bachli aswell as Engel give no satisfactory answer. Like D. atricapillus the flies have, when alive, bright blue eyes. Christoophe posted a photo of a live specimen on the web: http://www.insecte.org/forum/viewtopic.php?f=11&t=50694 Has anyone any idea to which species? The features on the specimens make the species easy to identify within the genus. The specimens were caught: France: Alpes-Haute-Provence Moustiers-Sainte-Mairie 3-7-2012 Greetings, Ectemnius |
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| Ectemnius |
Posted on 25-01-2014 22:11
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Member Location: The Netherlands Posts: 846 Joined: 22.11.11 |
Female (left) and male (right)
Ectemnius attached the following image:  [24.82Kb] Edited by Ectemnius on 26-01-2014 11:44 |
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| Ectemnius |
Posted on 25-01-2014 22:13
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Member Location: The Netherlands Posts: 846 Joined: 22.11.11 |
Male
Ectemnius attached the following image:  [19.81Kb] Edited by Ectemnius on 26-01-2014 11:45 |
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| Ectemnius |
Posted on 25-01-2014 22:14
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Member Location: The Netherlands Posts: 846 Joined: 22.11.11 |
Female
Ectemnius attached the following image:  [21.93Kb] Edited by Ectemnius on 26-01-2014 11:46 |
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| Ectemnius |
Posted on 25-01-2014 22:14
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Member Location: The Netherlands Posts: 846 Joined: 22.11.11 |
Female thorax
Ectemnius attached the following image:  [21.49Kb] Edited by Ectemnius on 26-01-2014 11:47 |
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| Ectemnius |
Posted on 25-01-2014 22:15
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Member Location: The Netherlands Posts: 846 Joined: 22.11.11 |
Female antenna
Ectemnius attached the following image:  [19.41Kb] Edited by Ectemnius on 26-01-2014 11:47 |
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| Ectemnius |
Posted on 25-01-2014 22:17
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Member Location: The Netherlands Posts: 846 Joined: 22.11.11 |
One of the photo's made by Christoophe of a female.
Ectemnius attached the following image:  [18.56Kb] Edited by Ectemnius on 26-01-2014 11:50 |
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| Mark van Veen |
Posted on 08-08-2014 10:05
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 Member Location: Zeist, Netherlands Posts: 145 Joined: 12.05.04 |
Seguy (faune de france, 1927) describes D. claripennis (only males, black legs) and D. wiedemanni (only females, yellow legs) from the region these Dioctria's come from. Is that the solution. Both are seen as valid species. If indeed claripennis and wiedemanni fit the specimens, the observation suggest is it one dimorphic species. |
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| Quaedfliegh |
Posted on 08-08-2014 15:52
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 Member Location: Tilburg Netherlands Posts: 2208 Joined: 18.05.10 |
That would be a funny story : ) The senior name would become the valid one i presume?
Greetings, Reinoud Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/ https://www.nev.nl/diptera/ |
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| Quaedfliegh |
Posted on 08-08-2014 16:19
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Member Location: Tilburg Netherlands Posts: 2208 Joined: 18.05.10 |
Engel didn't include them in key but does give descriptions : ) A bit short these descriptions but it might be theeee solution. Especially description of (male) D. claripennis fits really well. According to FE D. wiedemanni is known from Slovakia......wrong identification? (Not in key by Geller-Grimm indeed).
Edited by Quaedfliegh on 08-08-2014 16:22 Greetings, Reinoud Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/ https://www.nev.nl/diptera/ |
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| Mark van Veen |
Posted on 09-08-2014 15:45
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Member Location: Zeist, Netherlands Posts: 145 Joined: 12.05.04 |
This Czech article mentions D. wiedemanni as occurring on the Pannonian steppes. Would be interesting to see specimens from that region. |
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| Quaedfliegh |
Posted on 10-08-2014 03:27
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Member Location: Tilburg Netherlands Posts: 2208 Joined: 18.05.10 |
Thanks Mark, that is interesting, on FE the species is given for Slovakia (bordering on Moravia), we really need to check that if possible.
Greetings, Reinoud Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/ https://www.nev.nl/diptera/ |
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