According to Martin Rejzek et al. [❖] the host plants of Phytoecia (Neomusaria) merkli are Salvia sclarea (Lamiaceae), Salvia cf. tomentosa (Lamiaceae), and another still undetermined Lamiaceae plant.

Body length:	7 - 10 mm
Life cycle:	1 year
Adults in:	May - July
Host plant:	oligophagous on Lamiaceae (e.g. Salvia spp.)
Distribution:	Armenia, Syria, Turkey

The depicted beetles in the were collected on Salvia sp. in summit plateaus of Nemrut Dagi Mt. (Adiyaman prov., Anatolia, SE Turkey).

Collected by M.Hoskovec

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[❖]
Rejzek M., Sama G., Alziar G.:
Host plants of several herb-feeding Cerambycidae mainly from east Mediterranean region (Coleoptera: Cerambycidae).
Biocosme Mésogéen 17 (4): 263-294, 2001. [download ]

[ key of Neomusaria subgenus ]
Özdikmen H. & Özdikmen G.:
Updated world species list of the subgenus Phytoecia (Neomusaria) Plavilstshikov, 1928 with two new subspecies from Turkey (Cerambycidae: Lamiinae).
Munis Entomology & Zoology 11 (2): 492-500, 2016. [download ]