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Diptera.info :: Identification queries :: Diptera (adults)
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Rhagio montanus? -> vitripennis
treebeard
#1 Print Post
Posted on 29-05-2020 18:04
Member

Location: Slovakia
Posts: 536
Joined: 13.08.13

Slovakia, Zvolen region, 700 m.a.s.l., village garden on plateau in hilly landscape, 27 May 2020, rather small Rhagio, approx 10 mm.

I have possibly photographed this species before, but it was larger and there were a small difference in the appearance - this new specimen had yellow antennas, while the older (larger) ones from Great Fatra mts. did not.

Except for this, all of them matched the description in M.P. van Veen's key: hyaline wings, uniformly dark pterostigma, thoracic dorsum with longitudinal stripes, yellow femora. My personal observation is a two-tone scutellum (grey base, yellow tip. The first coxa is slightly yellowish.

Best regards
Matej
treebeard attached the following image:


[266.69Kb]
Edited by treebeard on 30-05-2020 09:16
 
treebeard
#2 Print Post
Posted on 29-05-2020 18:05
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Location: Slovakia
Posts: 536
Joined: 13.08.13

the same specimen (a small one)
treebeard attached the following image:


[255.32Kb]
 
treebeard
#3 Print Post
Posted on 29-05-2020 18:08
Member

Location: Slovakia
Posts: 536
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the female from Great Fatra, a larger one with grey antennas, 11 June 2017, 500 m.a.s.l. (but from much higher mountain range)
treebeard attached the following image:


[245.19Kb]
 
treebeard
#4 Print Post
Posted on 29-05-2020 18:10
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Location: Slovakia
Posts: 536
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the same female
treebeard attached the following image:


[260.24Kb]
Edited by treebeard on 29-05-2020 18:11
 
eklans
#5 Print Post
Posted on 29-05-2020 18:11
Member

Location: Franconia, Germany
Posts: 412
Joined: 11.11.18

Hi treebeard, what about R. vitripennis? It seems the veins of the wings are slightly darkened?

Eric
 
treebeard
#6 Print Post
Posted on 29-05-2020 18:12
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Location: Slovakia
Posts: 536
Joined: 13.08.13

and the male from Great Fatra, 9 June 2019
treebeard attached the following image:


[260.52Kb]
 
treebeard
#7 Print Post
Posted on 29-05-2020 19:09
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Location: Slovakia
Posts: 536
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@eklans - yes, I considered also R. vitripennis, but this species should not have yellow antennas while those from Great Fatra (with grey antenas) are larger.
 
treebeard
#8 Print Post
Posted on 29-05-2020 19:46
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Location: Slovakia
Posts: 536
Joined: 13.08.13

Sternite 1 of the smaller male: does not seem hairy
treebeard attached the following image:


[193.23Kb]
 
Zeegers
#9 Print Post
Posted on 29-05-2020 21:20
Member

Location: Soest, NL
Posts: 14806
Joined: 21.07.04

Don't rely on colour features in Rhagio too much, to me, vitripennis without any doubt.

Wing pattern is distinctive.

Theo
 
treebeard
#10 Print Post
Posted on 30-05-2020 09:16
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Location: Slovakia
Posts: 536
Joined: 13.08.13

Thank you very much
 
eklans
#11 Print Post
Posted on 30-05-2020 11:01
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Location: Franconia, Germany
Posts: 412
Joined: 11.11.18

By the way - beware of angry males vitripennis:
Grin
eklans attached the following image:


[227.03Kb]
 
treebeard
#12 Print Post
Posted on 01-06-2020 13:17
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Location: Slovakia
Posts: 536
Joined: 13.08.13

This one of exceptional, I hope Shock
 
treebeard
#13 Print Post
Posted on 01-06-2020 15:13
Member

Location: Slovakia
Posts: 536
Joined: 13.08.13

By the way, is there any diagnosis of Rhagio montanus? I have failed to google it.
 
eklans
#14 Print Post
Posted on 01-06-2020 17:24
Member

Location: Franconia, Germany
Posts: 412
Joined: 11.11.18

This site shows a good summary of R. montanus:
http://www.spessa...tanus.html

Eric
 
treebeard
#15 Print Post
Posted on 01-06-2020 18:56
Member

Location: Slovakia
Posts: 536
Joined: 13.08.13

Thank you, eklans
 
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15 July 2020 19:49
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