Woke up Saturday morning with an insect bite on the side of my little finger. Finger and base of finger is very swollen, feels like a fully blown up balloon. Bite itself has now appeared and has a black tinge to it and small lump. I have photo, which I'm hoping you can see at Flickr/p/KG1aPq
Now Sunday morning and still swollen, tingly and sore to touch.
Went for walk in countryside (UK) Friday night so could be from then.
Anyone know what did it? Thank you in advance.