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Diptera.info :: Identification queries :: Diptera (adults)
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Two different Cylindromyias (Tachinidae)? (14.09.21) --> C. brassicaria group
Juergen Peters
#1 Print Post
Posted on 15-09-2021 20:34
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Location: northwest Germany
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Hello,

two years ago I had my first encounter with the genus Cylindromyia here (northwest Germany), two individuals in about 2 weeks. They were identified by Theo Zeegers as Cylindromyia brassicaria.

Yesterday I found the genus again on camomile flowers next to a path between acres. Length about 10 mm.
It was conspicuous, that one individual had a continuous stripe on its abdomen, the other not. Different species, a gender difference or simple variation?

Here also a little video of one of the flies cleaning its legs:
https://insektenf...utzend.mp4
Juergen Peters attached the following image:


[77.7Kb]
Edited by Juergen Peters on 15-09-2021 23:11
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Juergen Peters
#2 Print Post
Posted on 15-09-2021 20:35
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Pic #2
Juergen Peters attached the following image:


[130.76Kb]
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
WWW: http://insektenfo...
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Juergen Peters
#3 Print Post
Posted on 15-09-2021 20:35
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Pic #3 (other individual)
Juergen Peters attached the following image:


[75.87Kb]
Edited by Juergen Peters on 15-09-2021 20:36
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
WWW: http://insektenfo...
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Juergen Peters
#4 Print Post
Posted on 15-09-2021 20:36
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Pic #4
Juergen Peters attached the following image:


[78.43Kb]
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
WWW: http://insektenfo...
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Juergen Peters
#5 Print Post
Posted on 15-09-2021 20:37
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Pic #5
Juergen Peters attached the following image:


[84.59Kb]
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
WWW: http://insektenfo...
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eklans
#6 Print Post
Posted on 15-09-2021 20:51
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Hallo Jürgen, the other one - with continuous stripe - has no discals: C. Pusilla?
Greetings, Eric
 
Juergen Peters
#7 Print Post
Posted on 15-09-2021 20:57
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eklans wrote:
the other one - with continuous stripe - has no discals: C. Pusilla?


Thanks, Eric.
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Zeegers
#8 Print Post
Posted on 15-09-2021 22:06
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Both have basal scutellar bristles so both are males in the brassicaria group. Much too vig for pusilla.

Theo
 
Juergen Peters
#9 Print Post
Posted on 15-09-2021 23:10
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Thanks, Theo!

Zeegers wrote:
Much too big for pusilla.


the second one may have been a little bit smaller, but not strikingly.
Edited by Juergen Peters on 16-09-2021 18:41
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Zeegers
#10 Print Post
Posted on 16-09-2021 08:28
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Still, the wing venation and the arista contradicts pusilla.


Theo
 
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16.09.21 22:24
Sorry put 5 new threads in Asilidae forum instead in Syrphidae forum, can pleas an admin move it to Syrph? THANKS, Norbert

09.09.21 07:48
https://www.jeugdb
ondsuitgeverij.nl/
product/de-vliegen
families-met-drie-
voetkussentjes/

09.09.21 07:47
wing ventation is totally different

03.09.21 12:51
Hi, what's the major difference between dolichopodidae and rhagionidae? Can someone help me? Thanks!

28.06.21 15:24
thx TO eklans

03.06.21 11:11
@Tony Irwin Thank you Tony! I've emailed you there Pfft

02.06.21 22:26
Rob - can you PM me with an e-mail address, and I'll send it over.

02.06.21 13:16
Hello chaps! Does anyone have a copy of: Revision of the willow catkin flies, genus Egle Robineau-Desvoidy (Diptera: Anthomyiidae), in Europe and neighbouring areas ?? I'd be ever so grateful! Rob

31.05.21 14:31
The part that got deleted is "longer, dark median stripe on thorax"

31.05.21 08:37
You are correct, the copula also is phragmitidis. Corrected in the Gallery.

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