Sportnem_leaflet_EN_A4_-_Koppert_20230441_-_DEF_LR.pdf
which is present
in parts of Europe and the USA, has two generations per year,
one in autumn, with overwintering larvae and one in summer.
Sportnem-T [...] chafer (Phyllopertha horticola) is present
in Europe and parts of Asia. The males can be seen in early
summer in swarming flights just above the soil surface [...] soil
at a depth of approximately 5 cm. Young larvae feed on humus
particles. In the second larval stage they start to feed on the
roots of grasses. The older