Aphis hieracii von Paula Schrank, 1801

on Hieracium

gall

the higher leaves are disfigured and rolled in downwards (? see below). Aphids 1-3 mm, bluish to dark green, with darker head, siphunculi and cauda; they are ant-visited.

host plants

Asteraceae, monophagous

Hieracium lachenalii, laevigatum, murorum, sabaudum, saxifragum, schmidtii, umbellatum & subsp. “dunense” + filifolium.

H. umbellatum is the main host plant.

synonyms

Cerosipha hieracii.

notes

The upwards rolling of the leaves that was reported by Buhr is not confirmed by Holman; he rather supposes this to be the work of Nasonovia compositellae nigra.

references

Blackman & Eastop (2014), Börner & Franz (1956a), Buhr (1964b), Danielsson (1974a), Durak, Durak & Borowiak-Sobkowiak (2011a), Heie (1986a), Holman (1998a), Osiadacz & Wojciechowski (2008a), Roskam (2009a), Tambs-Lyche & Heie (1994a), Wojciechowski, Depa, Halgoš ao (2016a).

mod 21.i.2019