Anthocoris nemorum , a natural enemy of Phratora vulgatissima , is also more common on S. cinerea .
A common herbivore of Salix cinerea is Phratora vulgatissima , which prefers and is more common on female plants .
Anthocoris nemorum , a natural enemy of Phratora vulgatissima , is also more common on Salix cinerea   .
A common herbivore of Salix cinerea is Phratora vulgatissima , which prefers and is more common on female plants .