Dysaphis radicola (Mordvilko, 1897)

apple-dock gall aphid

on Malus, primary host plant

gall

in spring the leaves are rolled inwards and the margins are reddened. The fundatrix lives in a gall of her own, a small length fold near the midrib.

host plants

Rosaceae, monophagous

Malus domestica, sylvestris & subsp. orientalis.


on Rumex, secondary host plant

Dysaphis radicola: aptera on Rumex spec.

Rumex spec., UK © Bob Dransfield & Bob Brightwell, InfluentialPoints

gall

Apterae, 2-3 mm, at the roots and root collar. They are greenish grey to lead-grey, wax-powdered; thy are attended by ants.

host plants

Polygonaceae, monophagous

Rumex acetosa, acetosella, confertus, conglomeratus, crispus, hydrolapathum, obtusifolius, pulcher, stenophyllus

synonyms

Dysaphis meridialis Shaposhnikov, 1964.

references

Barbagallo & Pollini (2014a), Blackman & Eastop (2014), Börner & Franz (1956a), Buga & Stekolshchikov (2012a), Buhr (1964b), Coulianos & Holmåsen (1991a), Heie (1992a), Hellrigl (2004a), Lampel & Meier (2007a), Nieto Nafría, Muñoz Martínez & Mier Durante (1987a), Redfern & Shirley (2011a), Stekolshchikov (2006a), Suay Cano & González Funes (1998b), Sylvén (1960a), Weis (155), Wojciechowski, Depa, Halgoš ao (2016a).

mod 10.vii.2019