A variable species, but the usual form is dark grey marked with white.

Usually found on Elder but has used a number of other plants.

Summer.

Large colonies often form on the stems of Elder.

Thought to be widespread and fairly frequent in Britain, but it is little recorded.

Thought to be widespread and fairly frequent in our area, but it is little recorded in Leicestershire and Rutland.

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