Rhagium caucasicum has been described as Rhagium mordax var. caucasicum from Ordubad by Edmund Reitter in 1889 [❖].

Body length:	12 - 18 mm
Life cycle:	2 years
Adults in:	June - July
Host plant:	polyphagous in deciuous trees
Distribution:	Georgia, Armenia, Turkey, Azerbaidjan, Iran [✧]

The depicted living beetle was collected on the trunk of falled dead Caucasian oak (Quercus macranthera) found in the edge of sparse mountain oak forest 3 km West of Lichk (Լիճք,; 2300 m a.s.l., Syunik Province, South Armenia) on June 7th, 2012. The mounted specimen was collected in Tashtun environs (2000 m a.s.l., Zengezur Mts., Syunik Province, South Armenia) on June 16, 2014.

Collected by M.Hoskovec and T.Lengál

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[❖]
Reitter E.:
Neue Coleopteren aus Europa, den angrenzenden Ländern und Sibirien, mit Bemerkungen über bekannte Arten. Siebenter Theil..
Deutsche entomologische Zeitschrift, Berlin 33 (2): 273-288, 1889. [download ]

[✧]
Miroshnikov A.I.:
Myths and reality: critical remarks on M.L. Danilevsky’s monograph, “Longicorn beetles (Coleoptera, Cerambycoidea) of Russia and adjacent countres. Part 1”. Moscow: HSC, 2014. 518 p.
Caucasian Entomological Bulletin 12 (1): 181-214, 2016. [download ]