Basically for Pyrgus armoricanus, under favorable climatic conditions there is the potential for strong and rapid spread. In order for this to be effective, however, it is imperative that the core populations remain in good condition. Much of the Pyrgus armoricanus habitats are grazed by sheep.
For Pyrgus armoricanus, under ideal climatic conditions there is a potential for strong and rapid spread. However, this requires that the core populations maintain good health. Many of the Pyrgus armoricanus habitats are grazed by sheep.