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Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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Glassworm larvae, Chaoborus
guillaume
#1 Print Post
Posted on 09-02-2014 11:46
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Location: Haute-savoie (east FRANCE)
Posts: 12
Joined: 15.03.08

Hi everyone,

This is only my second thread on your nice forum, that time I need your expertise to identify an aquatic larvae that should be Chaoborus genus. From what I understood we need to observe the labral blade (that is not easy to observe!) but actually that doesn't help me a lot.

I found these larva in a pond in France (Jura), January 19th 2014.

Thanks a lot for your help and comments!

"Click to enlarge"

www.galerie-insecte.org/galerie/image/dos114/big/dorsal_view.jpg

www.galerie-insecte.org/galerie/image/dos114/big/mandibules_ret.jpg

www.galerie-insecte.org/galerie/image/dos114/big/labral_blade_ret.jpg

www.galerie-insecte.org/galerie/image/dos114/big/anal_fan_ret.jpg
Edited by guillaume on 09-02-2014 11:49
 
atylotus
#2 Print Post
Posted on 09-02-2014 21:11
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Location: Amsterdam, NL
Posts: 970
Joined: 29.05.09

the mandibular tooth and the labral blade lead to Ch. obscuripes.
 
guillaume
#3 Print Post
Posted on 10-02-2014 16:48
Member

Location: Haute-savoie (east FRANCE)
Posts: 12
Joined: 15.03.08

Thanks a lot! Grin
 
Paul Beuk
#4 Print Post
Posted on 11-02-2014 11:07
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Location: Netherlands
Posts: 17971
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Gallery!!!
Paul

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Paul Beuk on https://diptera.info
 
diptera.info
guillaume
#5 Print Post
Posted on 11-02-2014 12:02
Member

Location: Haute-savoie (east FRANCE)
Posts: 12
Joined: 15.03.08

Submitted for the gallery, but as I'm not used to do it I think I didn't submit it into the right place (adult gallery instead of larva, sorry for that).
 
Paul Beuk
#6 Print Post
Posted on 11-02-2014 12:08
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Location: Netherlands
Posts: 17971
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They were submitted in the right place and have been added. Thanks!
Paul

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Paul Beuk on https://diptera.info
 
diptera.info
guillaume
#7 Print Post
Posted on 28-04-2014 11:21
Member

Location: Haute-savoie (east FRANCE)
Posts: 12
Joined: 15.03.08

I finally got pupae, not all survived but 2 females (I think) emerged recently. One of them gave eggs immediately after (what was surprising for me).

Can we confirm definitively that it is C. obscuripes females?

www.galerie-insecte.org/galerie/image/dos116/big/pupae.jpg
Guillaume JACQUEMIN : France : Pimorin : 39270 : 30/3/2014
Altitude : NR - size: 10 mm
Réf. : 116813

www.galerie-insecte.org/galerie/image/dos118/big/obscuripes1.jpg
Guillaume JACQUEMIN : France : Pimorin : 39270 : 27/4/2014
Altitude : NR - size: 5,4 mm (mesuré)
Réf. : 118470

www.galerie-insecte.org/galerie/image/dos118/big/obscuripes2.jpg
Guillaume JACQUEMIN : France : Pimorin : 39270 : 27/4/2014
Altitude : NR - size: 5,4 mm (mesuré)
Réf. : 118471
Edited by guillaume on 28-04-2014 11:22
 
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