Fuente: WIPO "tomato" The present provides a Type 1 crystal of 2-(5-cyclopropyl-3-(ethylsulfonyl)pyridin-2-yl)-5-((trifluoromethyl)sulfonyl)benzo[d]oxazole represented by formula (1), the crystal having diffraction peaks at 2θ=14.3±0.2°, 15.6±0.2°, 17.1±0.2°, 18.7±0.2°, 20.1±0.2°, 22.4±0.2°, 23.3±0.2°, 24.8±0.2°, 26.1±0.2° and 28.5±0.2° in a powder X-ray diffraction with Cu-Kα radiation, which shows an excellent efficacy against harmful organism; a process for preparing the same crystal; a harmful organism control composition comprising the same crystal; as well as a method for controlling harmful organism using the same crystal.