Diptera.info :: Family forums :: Asilidae Forum
 A black Asilidae species
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| lweit |
Posted on 05-08-2021 10:32
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Hello Found in NE of France the 2021/07/23 (Metzervisse 57940), a way along a forest. Wings lenght : 8 à 9 mm.  Louis Weitten : France : Metzervisse : 57940 : 23/07/2021 Altitude : 226 m - Taille : Longueur aile : 8 à 9 mm. Réf. : 287260  Louis Weitten : France : Metzervisse : 57940 : 23/07/2021 Altitude : 226 m - Taille : Longueur aile : 8 à 9 mm. Réf. : 287261  Louis Weitten : France : Metzervisse : 57940 : 23/07/2021 Altitude : 226 m - Taille : Longueur aile : 8 à 9 mm. Réf. : 287262 perhaps Choerades femorata Thank you Louis |
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| Quaedfliegh |
Posted on 05-08-2021 14:26
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 Member Location: Tilburg Netherlands Posts: 2225 Joined: 18.05.10 |
Could be femorata indeed
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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| lweit |
Posted on 05-08-2021 17:48
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Hello Reinoud Thank you for your answer What's the difference between C. femorata and C. marginata : are females distinguishable ? I added a photo of the the face (with white hairs). Louis lweit attached the following image:  [97.47Kb] Edited by lweit on 05-08-2021 17:50 |
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| Quaedfliegh |
Posted on 05-08-2021 23:41
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Member Location: Tilburg Netherlands Posts: 2225 Joined: 18.05.10 |
The two species are very close. Females are even a bit more dififficult. C. marginata has a more yellow shiny face instead of white one and the first antennal segment is a bit shorter. I think this is indeed C. femorata.
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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| lweit |
Posted on 06-08-2021 09:50
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Thank you Reinoud for clarification Louis |
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