Calomicrus suturalis Calomicrus suturalis (Joannis, 1865) on Cytisus, Genista host plants Fabaceae, oligophagous Cytisus scoparius; Genista umbellata. distribution within Europe (PESI, 2020). references Petitpierre & Daccordi (2013a), Vela, Bastazo & Fritzlar (2017a).