Diptera.info :: Identification queries :: Diptera (adults)
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 Leucostoma?; SW Spain
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| Andre Burgers |
Posted on 08-07-2026 14:52
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 Member Location: Minas de Riotinto, Huelva Province, Spain Posts: 1142 Joined: 23.04.10 |
Found this black fly (3.7 mm) on the wall of my balcony in Minas de Riotinto (Huelva). July 7th, 2026. Looks familiar, but all those medium sized black flies do.  Maybe Leucostoma? Any idea? Saludos, André Andre Burgers attached the following image:  [294.35Kb] Edited by Andre Burgers on 08-07-2026 17:20 errare humanum est sed perseverare diabolicum |
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| Andre Burgers |
Posted on 08-07-2026 14:52
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Member Location: Minas de Riotinto, Huelva Province, Spain Posts: 1142 Joined: 23.04.10 |
2nd photo:
Andre Burgers attached the following image:  [290.49Kb] errare humanum est sed perseverare diabolicum |
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| eklans |
Posted on 08-07-2026 18:48
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Member Location: Franconia, Germany Posts: 4655 Joined: 11.11.18 |
Hi Andre, I think Leucostoma is correct and compare the pincer of this female with L. tetraptera. But it's a difficult genus...
Greetings, Eric |
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| Andre Burgers |
Posted on 09-07-2026 06:29
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Member Location: Minas de Riotinto, Huelva Province, Spain Posts: 1142 Joined: 23.04.10 |
Like sooo many others!  Thanks for your expertise, eric! Once again!  ¡Saludos! André errare humanum est sed perseverare diabolicum |
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| Andre Burgers |
Posted on 09-07-2026 14:26
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Member Location: Minas de Riotinto, Huelva Province, Spain Posts: 1142 Joined: 23.04.10 |
And yes, as far as I can see it is Leucostoma tetraptera.
Andre Burgers attached the following image:  [158.29Kb] Edited by Andre Burgers on 09-07-2026 15:15 errare humanum est sed perseverare diabolicum |
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| Zeegers |
Posted on 09-07-2026 15:16
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Member Location: Soest, NL Posts: 19421 Joined: 21.07.04 |
I agree with tetraptera. Theo |
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