WOW! Shiny-green hoverfly?! Which species? ID pls

WOW! Shiny-green hoverfly?! Which species? ID pls

Observation - WOW! Shiny-green hoverfly?! Which species? ID pls - UK and Ireland. Description: Shiny-green metallic looking insect, has metallic green all on the abdomen, as well as the thorax. 1cm and a 1/2 cm long.

Shiny-green metallic looking insect, has metallic green all on the abdomen, as well as the thorax. 1cm and a 1/2 cm long.