Beware the Oleander shrub, popular in the P-O for its evergreen qualities and delicate flowers and planted in quantity to jazz up roadsides, and gardens.

These are in fact caterpillar nests, constructed by the pine processionary caterpillar (chenille processionnaire) larva, who live in large ‘tents’ and march out at night in single file (hence the name) to feed on the pine needles.