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Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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unknown larvae
Gisela Merkel-Wallner
#1 Print Post
Posted on 11-10-2005 09:04
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Location: Germany, Bavaria, Oberpfalz
Posts: 47
Joined: 05.07.05

Hello,

can somebody identify this? The picture were taken ba Christian Stiersdorfer in the NP Bayerischer Wald (Bavarian Forest), the 12. August 2005. The larvae always crowled in the circle. I never have seen that and have no idea, what it is.

Greetings and thanks for your help
Gisela
www.diptera.info/forim/4-0856-1.jpg
 
Gisela Merkel-Wallner
#2 Print Post
Posted on 11-10-2005 09:10
Member

Location: Germany, Bavaria, Oberpfalz
Posts: 47
Joined: 05.07.05

and this ist the whole circle of the larvae, about 1 meter in diameter.

Greetings
Gisela Merkel-Wallner
www.diptera.info/forim/4-0856-2.jpg
 
cthirion
#3 Print Post
Posted on 11-10-2005 09:59
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Location: Awirs (Flémalle) Belgique
Posts: 901
Joined: 13.08.04

????Larva Psychodidae so-called larva "Military".
cthirion
 
http://www.cthirion.com/
Paul Beuk
#4 Print Post
Posted on 11-10-2005 10:16
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Location: Netherlands
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They are larvae of Sciaridae. I quote from the Manual of Nearctic Diptera volume 1, p. 249:
Peculiar mass movements by some sciarid larvae have been well-documented, but the purpose of this behavior has not been investigated adequately.


It appears as if they were 'on the march' and that the end of the head of the mass met the tail and that they are now crawling in circles.

Reference: Steffan, W.A., 1981. Sciaridae. In: <i>Manual of Nearctic Diptera Volume 1</i> (J.F. McAlpine, ed.): 247-255.
Paul

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Gisela Merkel-Wallner
#5 Print Post
Posted on 11-10-2005 16:40
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Location: Germany, Bavaria, Oberpfalz
Posts: 47
Joined: 05.07.05

Dear Paul,

I thank you for the explanations.

Gisela
 
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08.05.25 18:22
I have

03.05.25 08:35
Does someone has a scan of Nartshuk E.P. 2003. Key to families of Diptera (Insecta) of the fauna of Russian and adjacent countries. Proceedings of the Zoological Institute Vol. 294: 1-252 for me?

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04.03.25 17:10
Please use the link posted below to remember and honour Paul, if you wish

04.03.25 17:09
I propose in respect to him not to post on trivial matters until his cremation, March 8th

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For those unaware: Paul, the owner, past away two days ago. https://diptera.in
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19.12.24 12:33
Received missing pages from @royensoc.co.uk, free download available for a few days: https://we.tl/t-vk
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Downloaded the British Handbook Diptera: Bibionid and Scatopsidae flies but pages 58, 59, 67, 68 are missing. Anybody has a complete copy?

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Www.abebooks.com

29.07.24 13:19
Don't suppose anyone knows anwhere selling a copy of Contributions to a Manual of Palaearctic Diptera 2? Always wanted a copy.... Smile

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