This tiny, ant-like beetle is a blister beetle of the family Meloidae – perhaps an
Anthicus species, possibly
Anthicius floralis – the narrow-necked harvest beetle. Like most creatures on the Island it enjoys aggravating humans. In this case it pierces the skin and injects canthadrin – a poisonous chemical which causes blistering of the skin. (Canthadrin is used medically to remove warts). For the purposes of scientific research and a better photo I allowed it to have a go at me. When not busy biting it was sprinting all over my hand which made it difficult to photograph. Once stationery and biting it was easier to photograph – the things I do for science!
I can confirm that being injected with canthadrin hurts.