Rhamnusium bicolor (Schrank, 1781)
ssp. testaceipenne Pic, 1897

Subfamilia: LEPTURINAE  /  Tribus: RHAMNUSIINI

Rhamnusium bicolor testaceipenne
[Photo © P.Jelínek]

The key difference of this subspecies from Rhamnusium bicolor bicolor is the same color pattern in males and in females - both always with red head, prothorax, elytra and legs; besides 5th antennal joint relatively wide; abdomen and femora bases partly darkened.

Body length:♂ 16-18 mm / ♀ 16-20 mm
Life cycle:2 - 3 years
Adults in:May - June
Host plant:polyphagous in deciduous trees (Populus, Aesculus)
Distribution:Most part of Krasnodar region, many specimens being known from the nearest environs of the city; Black Sea coast of Russia, as well as all Black Sea Transcaucasian coast; the taxon is known from Georgia eastwards to about Kutaisi; a big series was collected in Armenia near Idzhevan; south coast of Crimea Peninsula; North-east Turkey close to Caucasus.

The female beetle in the pictures was reared from larva collected in hollow of a living poplar (Populus sp.) 1 km E of Shoraveli (შორაველი, Adigeni district, Samtskhe-Javakheti region, Georgia).

Collected by P.Jelínek

Taxonomy of Rhamnusium bicolor: Danilevsky M.L.: Studies and Reports Taxonomical Series 8 (1-2), 43-65 (2012)  pdf icon

Rhamnusium bicolor testaceipenne
[Photo © P.Jelínek]

Rhamnusium bicolor testaceipenne
[Photo © P.Jelínek]

Subfamilia: Lepturinae Latreille, 1802
Tribus: Rhamnusiini Sama, 2009
Genus: Rhamnusium Latreille, 1829
Species: Rhamnusium bicolor (Schrank, 1781)
Subpecies: Rhamnusium bicolor testaceipenne Pic, 1897