Natural enemies: unknown.
Phytosanitary importance: Oncometopia facialis is proven vector of the xylem-borne bacterium Xylella fastidiosa in citrus plants in Brazil [experimental transmission] (Coletta-Filho et al. 2020, Roberto et al. 1996, Yamamoto et al. 2000).
Vernonia condensata (Baker) H. Rob., Vernonia polyanthes Less., Aloysia virgata Juss., Lantana camara L., Citrus sinensis L. Obs, Vitis vinífera L. (Gravena et al. 1998, Remes Lenicov et al. 1999, Paiva et al. 2001, Milanez et al. 2003, Azevedo-Filho & Carvalho 2004, 2006, Azevedo-Filho et al. 2008), Coffea arabica L. (Lara et al. 2007).