稻象(虫甲)(Echin)是水稻害虫之一,过去仅零星发生,近年来已发展成为杂交水稻制种苗期的一大虫害,其危害程度日趋严重。据1987年调查,本市富安,台南两乡制种基地有近90%的秧池发生此虫,虫口密度一般达每平方米5.2头,高的达8.0头,受稻象(虫甲)危害的制种田产量损失一般为10～15%,严重的减产15 Echin, one of the pests of rice, has only sporadically occurred in recent years. It has developed into a major insect pest of the hybrid rice seedling in recent years, and its harm is becoming more and more serious. According to the 1987 survey, nearly 90% of seedling ponds were found in Fu’an and Tainan townships in this Municipality. The population density was generally 5.2 heads per square meter and 8.0 heads high, which was endangered by the rice (insect) The loss of farming production is generally 10 to 15%, a serious cut 15