Diptera.info :: Identification queries :: Diptera (adults)
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Helina to ID
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Rui Andrade |
Posted on 17-04-2019 18:44
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Hi, This Helina looks like H. reversio to me, but the fore tibia has 1 posterior seta. What is your opinion about this fly? location: Barcelos (Portugal) date: 09/04/2019 Rui Andrade attached the following image: [127.24Kb] |
Rui Andrade |
Posted on 17-04-2019 18:44
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
.
Rui Andrade attached the following image: [132.58Kb] |
Rui Andrade |
Posted on 17-04-2019 18:45
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Arista
Rui Andrade attached the following image: [115.81Kb] |
Rui Andrade |
Posted on 17-04-2019 18:45
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
.
Rui Andrade attached the following image: [168.93Kb] |
Rui Andrade |
Posted on 17-04-2019 18:46
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Prosternum
Rui Andrade attached the following image: [123.66Kb] |
Rui Andrade |
Posted on 17-04-2019 18:46
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
.
Rui Andrade attached the following image: [198.92Kb] |
Rui Andrade |
Posted on 17-04-2019 18:47
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Meron
Rui Andrade attached the following image: [195.6Kb] |
Rui Andrade |
Posted on 17-04-2019 18:47
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
.
Rui Andrade attached the following image: [114.45Kb] |
Rui Andrade |
Posted on 17-04-2019 18:48
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Hind leg
Rui Andrade attached the following image: [134.2Kb] |
Rui Andrade |
Posted on 17-04-2019 18:49
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Radial node (underside of wing)
Rui Andrade attached the following image: [132.85Kb] Edited by Rui Andrade on 17-04-2019 19:01 |
Rui Andrade |
Posted on 17-04-2019 18:49
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Scutellum bare on underside
Rui Andrade attached the following image: [110.72Kb] |
Rui Andrade |
Posted on 22-04-2019 00:12
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Is it impossible from these pictures? |
Stephane Lebrun |
Posted on 22-04-2019 19:38
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Member Location: Le Havre, France Posts: 8248 Joined: 03.03.07 |
I think it's Helina quadrum. Helina reversio-like with 1 pd on fore tibia is usually H. quadrum.
Stephane. |
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Rui Andrade |
Posted on 23-04-2019 19:39
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Member Location: Portugal Posts: 3122 Joined: 19.06.07 |
Thank you so much for your opinion, Stephane! If I'm seeing correctly, the specimen has 3 anteroventrals and 2 anterodorsals on hind tibia. The 2 anterodorsals support the identification of H. quadrum. Is this enough to be sure, or is there always going to be some doubts? |
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