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Diptera.info :: Family forums :: Syrphidae
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E. strigatus? ID please
pengie
#1 Print Post
Posted on 25-01-2015 23:17
Member

Location: Germany
Posts: 30
Joined: 16.01.15

Hello everybody!

Is this Eumerus strigatus?
We found thisone in April 2014
Antennae black, surstyli hooked, tergites 2,3,4 woth weak dust stripes.

Greetings

Pengie
pengie attached the following image:


[121.74Kb]
 
pengie
#2 Print Post
Posted on 25-01-2015 23:18
Member

Location: Germany
Posts: 30
Joined: 16.01.15

here the genitalia
pengie attached the following image:


[40.39Kb]
 
Ectemnius
#3 Print Post
Posted on 27-01-2015 08:59
Member

Location: The Netherlands
Posts: 846
Joined: 22.11.11

Hello pengie,

Yes, definately E. strigatus.
Although there might be similar species elsewhere in Europe. Where did you collect the specimen?

Greetings,

Ectemnius
 
pengie
#4 Print Post
Posted on 27-01-2015 15:17
Member

Location: Germany
Posts: 30
Joined: 16.01.15

Thank you very much!

We found them predominantly along treelines and hedgerows in SW Germany (State: Rheinland-Pfalz) They where mostly associated with E. sogdianus (genital not hooked and no projection on femur 3).

Another question:

Is it possible that there is another similar species with dark brownisch antennasegment 3 or could this be because of the ethanol.

In Van Ween they ask for: Antennae orange to reddish.
Will I recognize, when i get one of these?
 
Ectemnius
#5 Print Post
Posted on 28-01-2015 08:47
Member

Location: The Netherlands
Posts: 846
Joined: 22.11.11

Hello pengie,

The habitat sounds typical of E. strigatus. However, there are very few recent recordings of E. sogdianus in the netherlands and Belgium. The two sightings where I know of are from the coast where no E. strigatus were found. Could you upload a photo of the specimens femur (E. funeralis is far more common and can be hard to recognize and also has no hook on the stylus)

The species with the red antennae which could be expcted are E. ornatus and E. pulchellus. Those species occur in old forests on small sunlit areas.

Greetings,

Ectemnius
 
pengie
#6 Print Post
Posted on 28-01-2015 13:25
Member

Location: Germany
Posts: 30
Joined: 16.01.15

Hello Ectemnius,

enclosed you will find pics of the genital, femora and habitus.
pengie attached the following image:


[95.59Kb]
 
pengie
#7 Print Post
Posted on 28-01-2015 13:27
Member

Location: Germany
Posts: 30
Joined: 16.01.15

Femur
pengie attached the following image:


[151.17Kb]
 
pengie
#8 Print Post
Posted on 28-01-2015 13:28
Member

Location: Germany
Posts: 30
Joined: 16.01.15

Habitus
pengie attached the following image:


[114.43Kb]
 
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