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Diptera.info :: Identification queries :: Diptera (adults)
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Help with the identification of Tachinidae sp. from Greece
Xeroporcellio
#1 Print Post
Posted on 25-04-2022 19:26
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Posts: 181
Joined: 27.05.21

 Hi,

Recently, I had the opportunity to examine the specimen photographed here (https://www.inatu.../111982731). Based on the developed postscutellum and wide calyptrae I believe it belongs to Tachinidae, but I can't narrow it down more than that... Does anyone have an idea about the subfamily or even genus species (especially @Zeegers)? I can provide more photos of the specimen if needed (total length ca. 5 mm).

P.S. I can't upload my stereoscopic photos here, because their size exceeds 300 Kb. However, I made this ''dummy'' observation in iNaturalist, where I will put the photos of the characters thata are needed for the identification (https://www.inatu.../112859608). Afterwards, I will delete it and add the proper

Thanks in advance!
 
Zeegers
#2 Print Post
Posted on 25-04-2022 20:13
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Location: Soest, NL
Posts: 19244
Joined: 21.07.04

 still, it is policy to post your pics here (as well).
Reason: if anything changes on Inaturalist, for instance photos get deleted, this post will be ome ununderstandable.

You can easily downsize your pics, for instance with www. pixlr.com.

Theo
 
Xeroporcellio
#3 Print Post
Posted on 25-04-2022 21:26
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 I managed to resize my pictures, so as to make them available here as well. I also deleted the ''dummy'' observation, because it is pointless now. Below, I provide what I have photographed until now, with some explanations on the photos. Could the specimen be a Leucostoma?
 
Xeroporcellio
#4 Print Post
Posted on 25-04-2022 21:27
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 Habitus
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[147.94Kb]
 
Xeroporcellio
#5 Print Post
Posted on 25-04-2022 21:28
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 Postscutellum
Xeroporcellio attached the following image:


[242.28Kb]
 
Xeroporcellio
#6 Print Post
Posted on 25-04-2022 21:29
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 Lower calypter (attached)
Xeroporcellio attached the following image:


[219.02Kb]
 
Xeroporcellio
#7 Print Post
Posted on 25-04-2022 21:29
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 Lower calypter (detached)
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[121.4Kb]
 
Xeroporcellio
#8 Print Post
Posted on 25-04-2022 21:31
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 General view of the head
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[165.16Kb]
 
Xeroporcellio
#9 Print Post
Posted on 25-04-2022 21:32
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 Shape and chaetotaxy of arista
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[162.15Kb]
 
Xeroporcellio
#10 Print Post
Posted on 25-04-2022 21:32
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 Shape and color of the palpi
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[263.26Kb]
 
Xeroporcellio
#11 Print Post
Posted on 25-04-2022 21:33
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 Posteroventral chaetotaxy of the head
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[285.57Kb]
 
Xeroporcellio
#12 Print Post
Posted on 25-04-2022 21:34
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 Ornamentation of middle tibia
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[188.73Kb]
 
Xeroporcellio
#13 Print Post
Posted on 25-04-2022 21:35
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 General view of the wing
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[160.69Kb]
 
Xeroporcellio
#14 Print Post
Posted on 25-04-2022 21:35
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 Better view of the r(4+5) & M plane
Xeroporcellio attached the following image:


[289.17Kb]
 
Zeegers
#15 Print Post
Posted on 26-04-2022 06:49
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Location: Soest, NL
Posts: 19244
Joined: 21.07.04

 Thank you.
Your arrow pointing to the supposedly postscutellum points much too low. The postscutellum is much higher, a very narrow ridge just below the scutellum. Hence not swollen.

This is a Nyctia (Sarcophagidae)


Theo
 
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John Carr
06.12.25 21:37
He last posted here in April, identifying some Chloropidae.

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Dr Michael von Tschirnhaus, a leading expert on Chloropidae and Agromyzidae, died on 16 September 2025 at the age of 86. He will be greatly missed by the international community. R.I.P.

nichilme
03.12.25 12:46
Anyone has the scan of "Harkness, R. D.; Ismay, J. W. 1976: A new species of Trachysiphonella (Dipt., Chloropidae) from Greece, associated with an ant Cataglyphis bicolor (F.) (Hym., Formicidae)

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For those specialists not active on Facebook, I just ask to consider to join our group on FB. Please, be aware that it is not necessary at all to be active on FB outside the diptera group. Actually, n

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Tony Irwin
23.06.25 18:10
If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

smol
23.06.25 11:18
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

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