Aphids or spider mites?

[Cosmo spring garden]

I am confused as to what these are. They are on the tomato plants. Any ideas? I thought they were spider mites but I think they might be aphids?

 

[digitS']

They develop through a number of shapes.

These are all a single aphid species:

Steve

 

[flowerbug]

I am confused as to what these are. They are on the tomato plants. Any ideas? I thought they were spider mites but I think they might be aphids?

aphids.

 

[Cosmo spring garden]

aphids.


Thank you!

 

[Cosmo spring garden]

They develop through a number of shapes.

These are all a single aphid species:

Steve

Thank you!