See ‘Further info’ below.

Please provide close up image (s) of the aphids and a photo showing whether they were found at the top or bottom of the plant.

Most often found on the upper parts of Red Campion plants, but also uses White Campion.

All year, but especially late spring and summer.

True status of these species in Britain is difficult to determine due to the difficulty of identification.

Status in Leicestershire and Rutland not known.

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