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Diptera.info :: Identification queries :: Diptera (adults)
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Agromyzid from Verbascum --> Amauromyza varbasci
Juergen Peters
#1 Print Post
Posted on 08-02-2008 18:40
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Location: northwest Germany
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Hello!

A member of my forum, Gabi Krumm, asked me to put these photos here. These 3 mm flies hatched from a Verbascum leaf on February-07 (southern Germany, Rhine valley). I think they are Agromyzids. Can that be narrowed down? Thanks in advance!
Juergen Peters attached the following image:


[35.33Kb]
Edited by Juergen Peters on 09-02-2008 21:22
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Juergen Peters
#2 Print Post
Posted on 08-02-2008 18:41
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Another picture.
Juergen Peters attached the following image:


[64.32Kb]
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Paul Beuk
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Posted on 08-02-2008 20:17
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Agromyzidae, yes.
Paul

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Filex
#4 Print Post
Posted on 08-02-2008 20:27
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Seguy, 1934 lists the following species from Verbascum species Dizygomyza verbasci, Napomyza lateralis and Melanagromyza lappae. Nomenclature could be out-dated. Are there pictures of the mines it may produce?

Regards

Miquel
 
Juergen Peters
#5 Print Post
Posted on 08-02-2008 21:28
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Hello, Paul and Miquel!

Thanks for your replies! I will ask Gabi, if she has (or can make) photos of the mines.
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Filex
#6 Print Post
Posted on 08-02-2008 21:38
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See the following links as well

http://www.bladmineerders.nl/plantenf/pfscrophulariaceae/verbascum.htm

http://www.leafmines.co.uk/html/Plants/verbascum.htm

http://www.ukflymines.co.uk/Keys/VERBASCUM.html
 
Juergen Peters
#7 Print Post
Posted on 09-02-2008 12:16
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Hello!

Here now some mines, larvae and pupae from these flies. Pictures taken on Dez-16, Dez-21 and Jan-16.
Juergen Peters attached the following image:


[88.21Kb]
Edited by Juergen Peters on 09-02-2008 12:20
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
WWW: http://insektenfo...
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http://insektenfotos.de/forum
Filex
#8 Print Post
Posted on 09-02-2008 19:37
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I think this may be Amauromyza varbasci (Bouch?)

According to Seguy and the websites above:

Triangle acellaire, face ,car?ne, p?ristome et palpes noires. Antenes jaunes: troisieme article plus ou moins bruni. Calus hum?ral et d?preesion notopleurale jaunes. Soies acrosticales en quatre rangs. M?sopleure, bords sup?rieur et inf?rieur ?troitement jaunes. Pattes noires; f?murs jaunes a l'apex. Balancieres jaunes. Cuillerons ? bordure jaune et pilosit? brune. Abdomen: parties lat?rales et bord post?rieur des segments plus ou moins jauni. Long.:3 mm.

The mines are described as large, pale blotch mines ocurring in the upper surface, often with several mines occurring in the same leaf. (Other agromyzid species in Verbascum have corridor mines)

Puparium orange-yellow.

Miquel
Edited by Filex on 09-02-2008 19:46
 
Juergen Peters
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Posted on 09-02-2008 21:22
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Hello, Miquel!

Miquel wrote:
I think this may be Amauromyza varbasci (Bouch?)


Many thanks for the identification and your explanations!
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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