Sipha flava (Forbes, 1885)
yellow sugarcane aphid
on grasses
parasite
Apterae 1-2 mm, straw to bright yellow (or green at low temperatures) with dusky transverse intersegmental markings. On leaf blades, often forming large colonies, not attended by ants.
hostplants
Poaceae, oligophagous
Hyparrhenia hirta.
Outside of Europe known from many more species of Poaceae, and even Cyperaceae.
distribution within Europe
Recently found in Spain and Macaronesia.
references
Blackman & Eastop (2018), Hernández-Castellano & Pérez Hidalgo (2014a), Retana Salazar, Sánchez Monge & Rodríguez Arrieta (2013a).