Ants (Insecta, Hymenoptera, Formicidae) of the Lower Volga Region (Russia)
The publication:
Arnol'di, K. V. (1970) New species and races of the ant genus Messor (Hymenoptera, Formicidae) [Novye vidy i rasy murav'ev roda Messor (Hymenoptera, Formicidae)]. Zoological Journal [Zoologicheskii Zhurnal], 49, 72-88.

Link (in new window)
Contains the references:
Messor kasakorum
Russia, Astrakhan' Region, Astrakhan' City, Astrakhan' City detailed location data (in new window)
Page 83: "♂ - Астрахань (Ю. Писарев)", as M. kasakorum nadezhdae ssp. n.
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