Lesser Broad Bordered Yellow Underwing

Lesser Broad Bordered Yellow Underwing

Observation - Lesser Broad Bordered Yellow Underwing. Description: Is my ID correct. What are the growths on the forlegs? I have seen this before on pics I have taken. They came in significant numbers to light last night.

Is my ID correct. What are the growths on the forlegs? I have seen this before on pics I have taken.
They came in significant numbers to light last night.