Azure Damselfly (Coenagrion puella)

The more common form of female Azure Damselfly is a green and black marked insect whilst there is a blue form with more blue colour on segments 3-6 of the abdomen than the 'normal' green form. This example may be immature and could develop into the blue form but I have never before seen one this green/yellow with the extended colour on those segments. Looking for the subtle variations in markings and colour of this species is one of the joys of visiting ponds in May and June.