Quite common, larvae eat a wide variety of leaves. Adults fly from May to August.
For more on Rhodogaster viridis and other saw flies
Larva found eating plants, adults tend to be found around flowers during the warmer months.
More about saw flies
The larva grow to around 20 mm long, and can completely defoliate a plant.
For more on the Solomon's seal sawfly
Adults are seen on sunny days in summer in or near coniferous woods.
Adult body length is 12 - 44 mm.
More about wood wasps