The body length of Myzocallis coryli alatae is 1.3 to 2.2 mm. It has ringed antennae and a inconspicuous dot on the wings of winged adults.  For further details of this species please see the link below.

Please provide good close-up images of the aphids to support your record, and also state the host species on which they were recorded.

Associated with Hazel - the aphids live on the undersides of leaves.

When Hazel is in leaf.

Myzocallis coryli lays its eggs in October on two or three year old twigs and branches of hazel.

True status in Britain is difficult to determine due to lack of records.

Status in Leicestershire and Rutland not known.

https://influentialpoints.com/Gallery/Myzocallis_coryli_Hazel_aphid.htm