SfHsp20.2 is required for male fertility by controlling eupyrene sperm bundle morphogenesis and sperm migration in the fall armyworm.
BACKGROUND The fall armyworm, Spodoptera frugiperda, is a destructive pest threatening global food security. The sterile insect technique (SIT) is a promising eco-friendly control strategy, which relies on exploring genes regulating male fertility. Small heat shock proteins (sHSPs) act as molecular chaperones and parti...