'The nymphs of these insects remain in the Earth for 17 years & then emerge en masse'
Cicadas/locusts
17: The nymphs of these insects remain in the Earth for 17 years & then emerge en masse
The nymphs of these insects remain in the Earth for 17 years & then emerge en masse
The nymphs of these insects remain in the Earth for 17 years & then emerge en masse
17
Cicadas/locusts
17