西吸引，常见于植物、粪便及分解中的腐肉，主要是死去超过十日的尸体。
Life cycle.The 生物生命週期 of "Hydrotaea rostrata" has been studied in the field of法医昆虫学. Mature flies seek out decay, preferably in material that has been dead for an extended amount of time. Masses of 蛆s, which a