The samples from different species of Meloidae, the eggs of Epicauta aptera Kaszab and the different parts of Mylabris phalerata Pallas were treated with acidolysis or direct extraction, and cantharidin contents were determined by gas chromatography.

• 分别采用酸水解法和直接浸提法处理不同种芫菁样品、短翅豆芫菁Epicauta aptera Kaszab的卵和大斑芫菁Mylabris phalerata Pallas的不同虫体部位,后用气相色谱仪测定斑蝥素含量。