Diuraphis bromicola (Hille Ris Lambers, 1957)
Stem completely, or only its upper part, strongly shortened, with inflated, overlapping leaf sheats. Aphids c. 2 mm, dark olive green to almost black, powdery. Antennae ≤ 1/3 length, siphunculi virtually missing, simple pores.
There is no host alternation
Blackman & Eastop (2015), Buhr (1964b), Hille Ris Lambers (1959a), Tomasi (2014a), Wojciechowski, Depa, Halgoš ao (2016a).