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Diptera.info :: Identification queries :: Diptera (adults)
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Id assistance
ChasMacey
#1 Print Post
Posted on 22-05-2007 13:32
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Location: Surrey England
Posts: 126
Joined: 22.11.05

Hi,

Can anyone assist with an Id for this fly please ? It is similar to Cerodontha hennigi in the gallery except this one has dark femur instead of yellow.

The pictures were taken in my garden in Surrey in Southern England on 19th May 2007, and it looks as though the fly is ovipositing on the leaves of a Fox Glove (Digitalis). approx length was 5-6mm.

Regards Chas

Nb: as it appears not to be Cerodontha I have changed the subject to Id assistance
ChasMacey attached the following image:


[107.23Kb]
Edited by ChasMacey on 23-05-2007 18:43
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Nikita Vikhrev
#2 Print Post
Posted on 22-05-2007 13:37
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Location: Moscow, Russia
Posts: 9350
Joined: 24.05.05

Hi Chas.
Cerodontha has unusual shape of antennae. Your fly too?
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
ChasMacey
#3 Print Post
Posted on 22-05-2007 13:50
Member

Location: Surrey England
Posts: 126
Joined: 22.11.05

Hi Nikita,

I don't have a very good picture of the Antennae but from this one it does not lok as though it is unusual.

Chas
ChasMacey attached the following image:


[56.57Kb]
Edited by ChasMacey on 22-05-2007 13:51
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ChasMacey
#4 Print Post
Posted on 23-05-2007 18:44
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Location: Surrey England
Posts: 126
Joined: 22.11.05

As there does not appear to be anything unusual about the antennae that rules out Cerodontha so can anyone suggest a possible Id please ?

Regards Chas
www.cgm-gardenlife.co.uk
 
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Kahis
#5 Print Post
Posted on 23-05-2007 18:50
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Location: Helsinki, Finland
Posts: 1999
Joined: 02.09.04

Phytomyzinae, near Phytomyza. Reliable identification of most species requires a known host plant and/or examination of male genitalia.
Kahis
 
www.iki.fi/kahanpaa
ChasMacey
#6 Print Post
Posted on 24-05-2007 08:55
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Location: Surrey England
Posts: 126
Joined: 22.11.05

Thanks Kahis

Regards Chas
www.cgm-gardenlife.co.uk
 
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ChasMacey
#7 Print Post
Posted on 24-05-2007 09:10
Member

Location: Surrey England
Posts: 126
Joined: 22.11.05

Kahis,

Photo 2 seems to show the fly ovipositing, given that the plant is Digitalis purpurea could this be Phytomyza digitalis or is examination of the male genitalia still required ? are there others that also use Digitalis as a host ?

Regards Chas
www.cgm-gardenlife.co.uk
 
www.cgm-gardenlife.co.uk
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