Broad-bodied Chaser (female?)

Broad-bodied Chaser (female?)

Observation - Broad-bodied Chaser (female?) - UK and Ireland. Description: A fat little yellow dragonfly with dark patches at the bases of all 4 wings and pale shoulder stripes. I want to check she's a female and not an immature male. Can anyone tell?

A fat little yellow dragonfly with dark patches at the bases of all 4 wings and pale shoulder stripes. I want to check she's a female and not an immature male. Can anyone tell?