Culture the Pandora neoaphidis in liquid culture medium for 21 days. Crude toxin contains the metabolites of Pandora neoaphidis was obtained from the ferment liquid by means of a series of procedure.

• 对新蚜虫疠霉进行液体培养21d，经分步处理培养液得到含其代谢产物的粗毒素样品。