Diptera.info :: Identification queries :: Diptera (adults)
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 A tabanid
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| lweit |
Posted on 12-07-2006 18:17
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Hello What's the ID of this tabanid with his green eyes A+ Louis lweit attached the following image:  [131.07Kb] |
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| lweit |
Posted on 12-07-2006 18:18
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Another photo of this horsefly Taken in NE of France, near Metz A+ Louis lweit attached the following image:  [135.23Kb] |
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| Nikita Vikhrev |
Posted on 12-07-2006 19:50
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 Member Location: Moscow, Russia Posts: 9337 Joined: 24.05.05 |
I've never seen such fly, but I red that genus Atylotus has looks like this. Nikita Nikita Vikhrev - Zool Museum of Moscow University |
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| Tony Irwin |
Posted on 12-07-2006 23:42
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 Member Location: Norwich, England Posts: 7234 Joined: 19.11.04 |
I agree with Nikita. It is Atylotus, but I'm not familiar with all the species, so can't say which one.
Tony ---------- Tony Irwin |
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| paqui |
Posted on 14-07-2006 12:58
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Member Location: Valencia (spain) Posts: 816 Joined: 02.09.05 |
among agrestis, flavoguttatus, fulvus, latistriata, loewianus, mallorcanus, quadrifarius, rusticus and venturi my keys say Atylotus quadrifarius, -the pattern of the abdomen wiht 4 longitudinal stripes -eye margin almost parallel -no bands in the eyes -antennae pale but reddish at the apex |
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| lweit |
Posted on 14-07-2006 15:11
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Hello Paqui It's a species who leave only in warm country, South of France, Spain, ... The photo was taken in NE of France near the border of Luxembourg and Germany ?? Actualy, it maid 30? in NE of France ?? Louis |
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| paqui |
Posted on 17-07-2006 21:19
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Member Location: Valencia (spain) Posts: 816 Joined: 02.09.05 |
no idea, i?m sorry, try to check your Atylotus records there, i?ve told the other species from here because of this, quadrifarius is the only one with that characters among those species, i hope it helps  |
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| lweit |
Posted on 17-07-2006 21:59
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Thank you Paqui Louis |
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| Tony Irwin |
Posted on 17-07-2006 23:15
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Member Location: Norwich, England Posts: 7234 Joined: 19.11.04 |
Hi Louis I've been having another look at your pictures, and wonder whether it could be a variety of flavoguttatus? In any case, it would be worth trying to catch a specimen to find out exactly what it is. Good luck! 
Tony ---------- Tony Irwin |
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| paqui |
Posted on 19-07-2006 18:38
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Member Location: Valencia (spain) Posts: 816 Joined: 02.09.05 |
1-eyes pubescent, even short.....2 - bare, or short, only visible with big "zoom", ..3 2- front callus big and united, brilliant colour... A. venturii - callus small, separated or without them, black abdomen..A. latistriatus 3- vertex: 1 row of short white hairs...4 - vertex: 1 row of long yellow hairs, femora grey, black abdomen with 2 longituninal stripes.. A. flavoguttatus 4- yelowish species...5 - greyish species...6 5- well developed callosit..(callus)..A. loewianus - callus small... A.fulvus 6- femora yellow, abdomen with black stripes..7 - femora grey, abdomen grey-green, reddish flagell.. A. rusticus 7- black abdomen with 2 yellow stripes... A. agrestis - abdomen yellowish with 4 dark stripes... A quadrifarius i?m not the one to tell how much diffrerent it could be a variety, but by the pictures of my book, flavoguttatus clearly has a almost black abdomen with just 2 narrow paler stripes i haven?t written all the details of the keys, just a few, but if anyone?s intersted i can complete the text |
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| paqui |
Posted on 19-07-2006 18:43
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Member Location: Valencia (spain) Posts: 816 Joined: 02.09.05 |
i don?t know in which part of spain quadrifarius has been recorded, but in case of colder weather it?s perfectly possible in the north (Galicia, Asturias, Cantabria, Euskadi...) the "green" Spain, with atlantic weather ???? |
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| Tony Irwin |
Posted on 19-07-2006 19:43
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Member Location: Norwich, England Posts: 7234 Joined: 19.11.04 |
Paqui - I think what bothers me about quadrifarius was the colour of the femora in this specimen (too dark?) and the size of the frontal callus (too small). But I agree the abdomen colour is wrong for flavoguttatus, too. I guess we need more specimens to understand better the extent of variation in these species. Best wishes Tony ---------- Tony Irwin |
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| paqui |
Posted on 21-07-2006 17:49
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Member Location: Valencia (spain) Posts: 816 Joined: 02.09.05 |
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| lweit |
Posted on 21-07-2006 22:16
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Hello This day, I've taken another fly of this genus in the same place, the eyes is a little different ?? Louis lweit attached the following image:  [135.33Kb] |
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| lweit |
Posted on 21-07-2006 22:17
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Perheaps the male of the first photos ??
lweit attached the following image:  [148.57Kb] |
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| Tony Irwin |
Posted on 21-07-2006 22:55
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Member Location: Norwich, England Posts: 7234 Joined: 19.11.04 |
I'd say that you are correct - it is the male. But I'll leave it to Paqui to say what the species might be. Maybe I'll join in later! 
Tony ---------- Tony Irwin |
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| lweit |
Posted on 22-07-2006 11:21
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
I have catch the male of this fly Louis |
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| paqui |
Posted on 25-07-2006 21:41
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Member Location: Valencia (spain) Posts: 816 Joined: 02.09.05 |
i?ll look males?keys |
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| Tony Irwin |
Posted on 26-07-2006 17:01
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Member Location: Norwich, England Posts: 7234 Joined: 19.11.04 |
I've just been comparing the pictures with some old specimens of Atylotus latistriatus, and I feel sure that they are pale examples of this species. In Britain, latistriatus is a saltmarsh species, but elsewhere it occurs in different habitats. Is anyone famiiar with latistriatus in the field? (I hope to get bitten by some next week!)
Tony ---------- Tony Irwin |
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| lweit |
Posted on 26-07-2006 19:01
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Member Location: France, Département de la Moselle Posts: 609 Joined: 23.12.05 |
Hello Tony I've have photographed another male specimen of this species in an other place near my house Louis lweit attached the following image:  [149.02Kb] |
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