Evaluation of control effect of Bacillus thuringiensis strain HBF-1 against larvae of Scarabaeoidae Electroantennographic and behavioural responses of scarab beetles to Ricinus communis leaf volatiles The diversity of scarab beetles in grassland cattle dung from North China Community features of Scarabaeoidea larvae in Stipa grandis steppe Prescription screening and field evaluation of broad spectrum attractants of scarab beetles from Ricinus communis Studies on Protection of Common Peony from Scarah Damages