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View Thread :: Identification queries :: Other insects, spiders, etc.
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Larva Raphidiidae: Dichrostigma flavipes? --> cf. Puncha ratzeburgi
#1 Print Post
Posted on 07-03-2023 17:29

Location: Schenefeld near Hamburg
Posts: 3484
Joined: 30.04.10

Northern Germany, Schleswig-Holstein, Pinneberg-Waldenau near Hamburg, between a housing estate and an edge of the mixed forest Klövensteen, nearby a little pond for fishing, catched at the metallic railing of a little bridge (beneath birchtrees, pinetrees and an oaks), length of the fly: 17 mm; 12th of September 2019; photos: kuv.
I have read the threat https://diptera.i..._id=109057, where it's showed the difference between the larva of Dichrostigma flavipes and Phaostigma notata. So I think, my snakefly is a larva of Dichrostigma flavipes - is this ok? Please help to get the ID.
kuv attached the following image:

Edited by kuv on 08-03-2023 10:14
#2 Print Post
Posted on 07-03-2023 17:30

Location: Schenefeld near Hamburg
Posts: 3484
Joined: 30.04.10

2nd picture:
kuv attached the following image:

#3 Print Post
Posted on 07-03-2023 17:30

Location: Schenefeld near Hamburg
Posts: 3484
Joined: 30.04.10

3rd picture:
kuv attached the following image:

#4 Print Post
Posted on 07-03-2023 18:00

Location: Franconia, Germany
Posts: 2839
Joined: 11.11.18

Hi kuv, very interesting! I'm nearly sure it's a Puncha ratzburgi!

Based on Bestimmungsschlüssel der Larven der Raphidiopteren Mitteleuropas (Aspöck, Aspöck, Rausch)
"Meso- und Metathorax mit deutlich in Erscheinung tretender, durchlaufender heller Medianfascie."

Greetings, Eric Kloeckner
#5 Print Post
Posted on 08-03-2023 10:13

Location: Schenefeld near Hamburg
Posts: 3484
Joined: 30.04.10

Hi Eric,
I'm very surprised that there is a key "only" for larvas of European Raphidiidae. Reading the reference and comparing the pictures there I also think Puncha ratzeburgi fits best - but in the reference it is also said that there is no picture of a larva of R. maculicollis, which is also living in Northwestern part of Germany. So a "cf." is nessessary. Thank you very much, Eric TumbsUp, that's a very new "field" for me.
Greetings Kuv
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Date and time
30 May 2023 08:43


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