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Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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Syrphidae puparium and emerged wasp
Marion Friedrich
#1 Print Post
Posted on 15-08-2026 11:02
Member

Location: Saxony, Germany
Posts: 1225
Joined: 07.10.09

 Hi,
on June 7, I found the 8 mm long puparium shown here in a mixed forest in Germany (Saxony). Can the producer of the patterned puparium and its final inhabitant be identified?

Thanks and best regards,
Marion
Marion Friedrich attached the following image:


[89.81Kb]
Edited by Marion Friedrich on 17-08-2026 20:57
 
arthropodafotos.de
Marion Friedrich
#2 Print Post
Posted on 15-08-2026 11:04
Member

Location: Saxony, Germany
Posts: 1225
Joined: 07.10.09

 2nd picture
Marion Friedrich attached the following image:


[128.57Kb]
 
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Marion Friedrich
#3 Print Post
Posted on 15-08-2026 11:06
Member

Location: Saxony, Germany
Posts: 1225
Joined: 07.10.09

 with hole after emerging
Marion Friedrich attached the following image:


[147.96Kb]
 
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Marion Friedrich
#4 Print Post
Posted on 15-08-2026 11:08
Member

Location: Saxony, Germany
Posts: 1225
Joined: 07.10.09

 the final inhabitant
Marion Friedrich attached the following image:


[195Kb]
 
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Marion Friedrich
#5 Print Post
Posted on 15-08-2026 11:10
Member

Location: Saxony, Germany
Posts: 1225
Joined: 07.10.09

 2nd picture
Marion Friedrich attached the following image:


[107.59Kb]
 
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eklans
#6 Print Post
Posted on 16-08-2026 11:35
Member

Location: Franconia, Germany
Posts: 4745
Joined: 11.11.18

 Hi Marion, the puparium resembles Episyrphus balteatus except for the pattern (all pupae that I've found were very dark with a diffuse pattern.
The Ichneumonida wasp looks like one of the subfamily Phygadeuontinae - very tricky but based on your photos not impossible to identify...
Greetings, Eric
 
Marion Friedrich
#7 Print Post
Posted on 17-08-2026 20:54
Member

Location: Saxony, Germany
Posts: 1225
Joined: 07.10.09

 Hi Eric, thank you very much for the answer. I searched in the Internet for the subfamily Phygadeuontinae and lost the hope for further ID of the wasp.
Greeting, Marion
 
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17.07.26 14:48
It is sad news. I read him a month ago, as he replied to me about a wrong identification. He was brilliant, as always.

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