Jet ants in Lincolnshire

Jet ants in Lincolnshire

Observation - Jet ants in Lincolnshire. Description: What looks like Jet ants farming aphids on Black and Red current bushes in my Garden. Nest possibly in bark of old Pear Tree stump

What looks like Jet ants farming aphids on Black and Red current bushes in my Garden. Nest possibly in bark of old Pear Tree stump