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Diptera.info :: Identification queries :: Diptera (adults)
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Conops ceriaeformis, female? <=
Volker
#1 Print Post
Posted on 10-08-2025 16:04
Member

Location: Bexbach/Germany
Posts: 391
Joined: 15.05.08

 Germany, Saarland, Bexbach, Garden on Mentha, Absolute Altitude 250 m, 10.08.2025
Based on the pictures on this page, it should be this species. https://www.bioimages.org.uk/html/Conops_ceriaeformis.htm
Volker attached the following image:


[287.79Kb]
Edited by Volker on 28-08-2025 14:53
www.cecidologie.de/Bilder/Fly.png
 
https://www.cecidologie.de
Volker
#2 Print Post
Posted on 10-08-2025 16:05
Member

Location: Bexbach/Germany
Posts: 391
Joined: 15.05.08

 2
Volker attached the following image:


[283.46Kb]
www.cecidologie.de/Bilder/Fly.png
 
https://www.cecidologie.de
jck
#3 Print Post
Posted on 12-08-2025 23:02
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Location:
Posts: 1125
Joined: 21.08.12

 In the Conopidae key which I use, you only get to C. ceriaeformis if the frons is black. Your fly is at least partly yellow on the head, which might key to Conops strigatus. As I don't know either species, I would advise waiting on an expert opinion.

James
 
Volker
#4 Print Post
Posted on 13-08-2025 15:05
Member

Location: Bexbach/Germany
Posts: 391
Joined: 15.05.08

 Hello James,

You are probably right about Conops strigatus. Conops ceriaeformis has a black forehead, but Conops strigatus has a lighter, more brownish forehead. See also here https://determineren.nederlandsesoorten.nl/linnaeus_ng/app/views/matrixkey/index.php?epi=31

Greetings, Volker
www.cecidologie.de/Bilder/Fly.png
 
https://www.cecidologie.de
Volker
#5 Print Post
Posted on 28-08-2025 06:10
Member

Location: Bexbach/Germany
Posts: 391
Joined: 15.05.08

 Does anyone else have an opinion about this species?

Volker
www.cecidologie.de/Bilder/Fly.png
 
https://www.cecidologie.de
piros
#6 Print Post
Posted on 28-08-2025 13:41
Member

Location: Szeged, Hungary
Posts: 1805
Joined: 04.01.12

 It looks like Conops ceriaeformis (female) to me.
 
Volker
#7 Print Post
Posted on 28-08-2025 14:52
Member

Location: Bexbach/Germany
Posts: 391
Joined: 15.05.08

 Hi piros,

I now believe that too. The tip of the abdomen clearly matches C. ceriaeformis. The coloration of the forehead made me unsure, but in newly hatched specimens it is not yet completely dark.

Best regards, Volker
www.cecidologie.de/Bilder/Fly.png
 
https://www.cecidologie.de
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nichilme
08.09.25 16:17
Anyone has this article'A REVISION OF SPECIES OF THE GENUS CADREMA WALKER (DIPTERA, CHLOROPIDAE) FROM ISLANDS IN THE INDIAN OCEAN'？ Smile

eklans
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Thanks for your proposal, but for me this option is ineligible.

rvanderweele
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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
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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

Tony Irwin
19.06.25 15:33
I have the hard copy book, if you have any specific queries, but I'm not scanning the 500+ pages!

smol
02.06.25 18:26
Anyone has "Chironomidae of the Holarctic region. Keys and diagnoses. Part 3. Adult Males Entomologica Scandinavica Supplement 34"? smolwaarneming@gma
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Nikita Vikhrev
28.05.25 20:57
I have Russian Coenosia. nikita6510@ya.ru

smol
28.05.25 12:25
Is someone able to share with me "A key to the Russian species of the genus Coenosia"?

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