PROBLEM TO BE SOLVED: To provide a novel crystalline modification to pyraclostrobin, and to provide a method for production and use of the novel modification for the production of a plant protection agent.SOLUTION: The crystalline modification II to pyraclostrobin shows at least four reflections represented by formula in an X-ray powder diffraction figure at 25°C.【課題】ピラクロストロビンの新規結晶変態、その調製方法、および植物保護剤を製造するための新規変態の使用法の提供。【解決手段】25℃でのX線粉末回折図において、以下の反射の少なくとも4つを示す、ピラクロストロビンの結晶変態II。【選択図】なし