Diptera.info :: Identification queries :: Diptera (adults)
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 Chorisops tibialis?
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| Rui Andrade |
Posted on 01-10-2019 17:04
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 Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Hi, I'm not sure about the ID of this Chorisops. The face has some black hairs (suggesting C. tunisiae), but the pterostigma is dark and the hind basitarsus is not thickened before middle (suggesting C. tibialis). Can C. tibialis have black hairs on the face? location: Porto (Portugal) date: 27/09/2019 Rui Andrade attached the following image:  [92.88Kb] |
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| Rui Andrade |
Posted on 01-10-2019 17:05
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
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Rui Andrade attached the following image:  [108.57Kb] |
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| Rui Andrade |
Posted on 01-10-2019 17:05
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
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Rui Andrade attached the following image:  [137.79Kb] |
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| Rui Andrade |
Posted on 01-10-2019 17:06
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
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Rui Andrade attached the following image:  [141.69Kb] |
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| Rui Andrade |
Posted on 01-10-2019 17:06
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
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Rui Andrade attached the following image:  [87.43Kb] |
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| Rui Andrade |
Posted on 01-10-2019 17:06
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
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Rui Andrade attached the following image:  [101.57Kb] |
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| Rui Andrade |
Posted on 01-10-2019 17:07
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
hind basitarsus
Rui Andrade attached the following image:  [86.11Kb] |
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| Rui Andrade |
Posted on 01-10-2019 17:07
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
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Rui Andrade attached the following image:  [75.32Kb] |
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| Rui Andrade |
Posted on 01-10-2019 17:07
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
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Rui Andrade attached the following image:  [93Kb] |
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| Rui Andrade |
Posted on 04-10-2019 10:48
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
No chance of an ID from these photos? |
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| Paul Beuk |
Posted on 04-10-2019 12:55
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 Super Administrator Location: Netherlands Posts: 19225 Joined: 11.05.04 |
Doubtful. The pale markings on the tergites appear too large for tibialis and the records may be too late in the year for that species. Perhaps it is masoni (pale markings too small) but the key I have relies of characters in the genitalia (although I have my doubt about the quality of the key iun general) and I do not have to original description of masoni to check other characters than those mentioned in the key. Chorisops caroli is also similar but should have a more blue-ish metalic mesonotum.
Paul - - - - Paul Beuk on https://diptera.info |
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| Rui Andrade |
Posted on 04-10-2019 14:21
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Thank you Paul, I'll leave it as Chorisops sp. I have the description of masoni, I'll send to your email. |
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| Paul Beuk |
Posted on 04-10-2019 15:30
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Super Administrator Location: Netherlands Posts: 19225 Joined: 11.05.04 |
 Thx!
Paul - - - - Paul Beuk on https://diptera.info |
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| Ectemnius |
Posted on 04-10-2019 15:36
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Member Location: The Netherlands Posts: 845 Joined: 22.11.11 |
Hello Paul & Rui Andrade, I have some experience with identifying Chorisops from both North-West and Southern Europe. I cannot make out the terminalia from the photo. But the abdominal marking concur perfectly with C. tibialis. See also: https://www.researchgate.net/publication/258065960_Updated_Italian_checklist_of_Soldier_Flies_Diptera_Stratiomyidae Greetings, Ectemnius |
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| Rui Andrade |
Posted on 04-10-2019 17:34
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Thank you Ectemnius! A pity that I cannot show the genitalia better.  I'll label the specimen Chorisops cf. tibialis. |
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but don't see the image in the post.
