[Syrphidae] [Request for literature] De Geer 1776

[Ectemnius]

Dear all,

Although I'm looking for information about Aslidae and not about Syrphidae,
De Geer did describe Syrphidae, so hopefully someone can help. Currently
I'm looking for "De Geer, C. 1776. Mémoires pour servir á l’histoire des
insectes, vol. 6. viii, 523pp, 30pls. Hesselberg, Stockholm" And
specifically page 249 where *Asilus cylindrica *is described. Does anyone
have a copy of that page?

Very grateful to any and all help,

Kind regards,
Elias de Bree
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