Perapion fallax (Wollaston, 1864)
on Emex, Rumex
parasite
Larvae and pupae in the stems (Morris), but Brito Castro & Oromà Masoliver state in Rumex lunaria the larva lives as a leaf miner.
host plants
Polygonaceae, oligophagous
Emex spinosa; Rumex conglomeratus, lunaria.
So far, larvae have only been found on Emex.
distribution within Europe
synonyms
Perapion neofallax Wamer, 1958.
references
Brito Castro & Oromà Masoliver (1986a), Morris (2011a).