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Diptera.info :: Identification queries :: Diptera (adults)
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Zaphne lineatocollis (Zetterstedt, 1838), was Anthomyiidae
AlexP
#1 Print Post
Posted on 17-01-2018 09:47
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Location: Russia
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I need help with this species of Anthomyiidae. Could not associate it reliably with any genus. Collected: 20.06-18.07.1917, Malaise trap, North-west Russia (Murmansk province, Lapland Nature Reserve). Size ca 5 mm.
Hopefully, genitalia figures will help.
AlexP attached the following image:


[147.02Kb]
Edited by AlexP on 27-02-2018 13:38
Alex
 
AlexP
#2 Print Post
Posted on 17-01-2018 09:49
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Location: Russia
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Genitalia, lateral view.
AlexP attached the following image:


[130.85Kb]
Alex
 
AlexP
#3 Print Post
Posted on 17-01-2018 09:50
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Location: Russia
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Cerci and surstyli, caudal view.
AlexP attached the following image:


[128.23Kb]
Alex
 
AlexP
#4 Print Post
Posted on 17-01-2018 09:50
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Sternite V.
AlexP attached the following image:


[145.05Kb]
Alex
 
javanerkelens
#5 Print Post
Posted on 17-01-2018 23:09
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At first sight, I don’t see any resemblanche with a possible genus or species I know.
Given the environment you found this specimen, we have to take in account that it could be a new species.
We can see a very large pregonite and the end of the distiphallus seems not sclerotized.
There are some genera in my mind, but for now I am thinking about a possible Phorbia species.
I attached one of your photos, where I can see a small seperate part…
Could this have belonged to the distiphallus…?
If so…..than it could confirm this species belongs to Phorbia.


Johanna
javanerkelens attached the following image:


[151.88Kb]
Edited by javanerkelens on 17-01-2018 23:11
 
AlexP
#6 Print Post
Posted on 18-01-2018 08:59
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Location: Russia
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Johanna, thank you very much!
I'll try to clear this part of the genitalia to check if we can see more details. Are there other important characters I could check?
Alex
 
AlexP
#7 Print Post
Posted on 18-01-2018 12:05
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Location: Russia
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Here it is.
AlexP attached the following image:


[102.73Kb]
Alex
 
javanerkelens
#8 Print Post
Posted on 18-01-2018 16:47
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Nicely cleaned!
I am almost sure this species could be Zaphne lineatocollis (Zetterstedt, 1838)(known from Lappland/Finnland).
Maybe you can check some other characteristics:

Acrostichals not strong, more hair like and in 4 irregular rows, prealar almost equal to posterior notopleural seta, notopleural area with one or two small hairs, mentum of proboscis black shining, midtibia with one av seta, hindtibia with 3 av, about 6 ad (with one longer), 3 pd and no pv setae.

Johanna
Edited by javanerkelens on 18-01-2018 16:47
 
AlexP
#9 Print Post
Posted on 19-01-2018 08:42
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Location: Russia
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Great!

Though, some characters seem to disagree: notopleural area with no hairs, hind tibia with 5-6 ad, but with 2-3 longer ones.

Anyhow now I know where to dig. Thank you very much!
Alex
 
AlexP
#10 Print Post
Posted on 27-02-2018 13:36
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Location: Russia
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Dear Johanna,

recently I had a possibility to compare this specimen with the description of Z.lineatocollis by Griffiths. Now I can confirm your identification.
Thank you once more for your assistance.
Edited by AlexP on 27-02-2018 13:37
Alex
 
javanerkelens
#11 Print Post
Posted on 27-02-2018 15:54
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Nice..!

Johanna
 
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