CHINA'S agriculture is currently facing a serious problem, because of the more than 400 exotic zoological species entering the country. More than 100 of them are harmful, Xinhua News Agency reported on Monday. Reports say China is suffering losses of more than 57 billion yuan per year from just 11 of these species, including the Bemisia Tabaci, a tiny white pest that causes huge crop damage. Agronomists are urging the government to establish special institutions to deal with the invading species, Xinhua said...