In Syria Semnosia imperatrix imperatrix develops in Ferula hermonis Boiss. (Apiaceae) [Rejzek et al. (2001)].

Body length:	18 - 43 mm
Life cycle:	1 year
Adults in:	May - June
Host plant:	Ferula, Prangos
Distribution:	Syria, Lebanon

The depicted beetles were collected in Bludan NW Damascus (Anti-Lebanon Mts., Syria).