[Syrphidae] Paper with Rhingia terminalia drawings

[eckvana]

Dear colleages, 

I am looking for the following paper, preferrably
as pdf: 

Barkemeyer, W. (1986) Zum Vorkommen seltener und
bemerkenswerter Schwebfliegen in Niedersachsen
(Diptera, Syrphidae).
Drosera, '86(2): 79-88. 

Can anyone provide me a copy?
Thank you very
much! 

André van Eck
Tilburg, 
Netherlands 
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