A black robust wasp ( 20-22mm) with three orange bands around the abdomen and orange markings on dorsal and lateral sides of the thorax. Wings were translucent and dark. Antennae had white base.
back garden - on a lemon plant.
This sawfly appeared to be searching for something on the lemon leaves - perhaps collecting some water off the leaves??. But she did not stay long. Male of this species are smaller.
Here is a spotting of the larva of this insect: http://www.projectnoah.org/spottings/867...