An earwig stuck on a tacho gauge face right on the zero and I'm not sure if the owner knew what it was. Usually it spiders who spin a massive web and one must conclude there can't be much of a living to found in a gauge unless of course they can exist feeding on dried out grease. Obviously this 'critter' crept in there when the gauge was removed. Always a good plan to seal up the bulb holes when it's not fitted