Pomacea canaliculata (Lamarck):

Pomaceacanaliculata (Lamarck), also known as giant bottle snail and apple snail, belongs to the phylum Mollusca, class Gastropoda, order Mesogastropoda, family Pomaceae. , Aphrodisiac genus.

It is an aquatic snail that likes to eat plants. The snail originated in South America (Brazil and Argentina) and was introduced to many countries in Asia in the 1980s, including the Philippines, Vietnam, Thailand and China's Taiwan and Guangdong provinces.

The snail meat has high nutritional value and contains a large amount of protein, fat, carbohydrates, phosphorus, sodium, potassium, riboflavin, etc. It can be eaten by humans and animals and has high economic benefits. spread quickly. However, due to the poor taste of the snail, coupled with blind introduction and poor management, the apple snail immediately spread into the fields and became a vicious pest that harms rice, wild rice and other aquatic crops in my country and other Asian countries. It has been reported in provinces south of 30° north latitude in my country, including Guangdong, Guangxi, Hainan, Taiwan, Fujian, Yunnan, Sichuan and Zhejiang provinces (autonomous regions). In Zhejiang Province, the epidemic has been more serious in the rice and wild rice areas in the southeast, including Wenzhou and Taizhou. In recent years, the disease has been more serious in Ningbo. According to reports from scientific and technical personnel of the Ouhai District Agricultural Bureau of Wenzhou City, apple snails are expanding northward at a rate of 8 to 10 kilometers per year, seriously threatening the sustainable development of wild rice production in our province.