What is this please

What is this please

Observation - What is this please. Description: Hi could anyone please tell me what this is. It and a few friends are on my potato plants in my garden.Think they my be Ticks be I Have never seen one this color?

Hi could anyone please tell me what this is. It and a few friends are on my potato plants in my garden.Think they my be Ticks be I Have never seen one this color?