Icosium tomentosum is a circummediterranean species represented by two distinct subspecies: tomentosum Lucas, 1854 and atticum Ganglbauer, 1881. The nominate one occurs in South-West Europe and North Africa. Both subspecies develop in various Cupressaceae (Juniperus, Cupressus, Thuja, Callitrix, Tetraclinis, etc.). Larvae first feed under bark and later enter the wood of recently dead or moribund hosts. The adults are nocturnal and frequently come to light.

Body length:	8 - 16 mm
Life cycle:	2 years
Adults in:	June - August
Host plant:	oligophagous in various Cupressaceae
Distribution:	South-West Europe and North Africa

The depicted beetles were reared from larvae collected in Sardinia (Italy).

Collected by M.Rejzek.