Rosy Leaf-curling Aphid agg. - Dysaphis devecta agg.

The Dysaphis devecta species group includes three species: D. devecta, D. anthrisci and D. chaerophylli. All members of the D. devecta group roll the edges of apple leaves and turn them red to produce a characteristic gall.

Gall, when recorded as an aggregate

Please provide good quality images and state the host species when recording.

Galls may occur wherever the host species are found.

Galls may be found when the host species are in leaf.

Dysaphis devecta does not host alternate but remains on Apple throughout the year.  D. anthrisci host alternates between Apple and Cow Parsley and D. chaerophylli host alternates between Apple and the leaf bases of various Chaerophyllum species.

Status in Britain is difficult to determine due to lack of records.

Status in Leicestershire and Rutland not known.

https://influentialpoints.com/Gallery/Dysaphis_devecta_species_group_rosy_leaf-curling_apple_aphids.htm