Indoor Toxicity of Extract of Konjac Tuber against Myzus persicae (Sulzer) and Its Safety for Aphidius gifuensis Ashmead

• WANG Wei, 
• ZHANG Jinlong, 
• YIN Renhao, 
• LI Wentian, 
• QI Ying, 
• LI Mingyue, 
• LIU Jiani, 
• YANG Shaowu