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A collection of resources for robber flies. Includes many keys and a Catalogue of the Nearctic Species.
http://www.geller-grimm.de/asilidae.htm

[cite:2699]
Eric Fisher about the Geller-Grimm & Artigas 'Catalogue of the Nearctic species': "The best +/- published (internet only) one available. I believe it incorporates all of my 1997 distributional information, including known distributions for Nearctic robber flies within Mexico(1) (even though I am not cited -- presumably because my paper was never published). Most of the new combinations and synonymy (though not all), as well as my three replacement names for new homonyms, are omitted. The main objection I have to this catalog is the absurd splitting of Efferia into artificial genera following Artigas & Papavero (1997b). I discuss this in(2), pointing out I view it as poor taxonomy; the entire descriptions for the "new" genera are verbatim copies of the diagnoses given by Wilcox (1966) for his species groups of Efferia (mainly derived from Hine 1919). See my opinion of the work of Artigas on Mallophora in(2).

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