The distribution areas of the crimson cutworm are:
The crimson cutworm Peridromasaucia (Hübner) is also called Spodoptera exigua. Abroad, it is distributed in Europe, America, Syria, Iran and other places; domestically, it is mainly distributed in western Sichuan and parts of Gansu, often mixed with small cutworms. It damages corn, potatoes, wheat, beans, melons, sorghum, pasture, etc. It has a very diverse feeding habit and often causes severe seedling shortage and ridge destruction.
The distribution areas of the eight-character cutworm are:
The eight-character cutworm Amathesc-nigrum (Linnaeus) is widely distributed around the world. It is harmful to tobacco, cotton, grape seedlings and vegetables in many countries in Europe, Asia and the United States; it is distributed in all provinces (autonomous regions and municipalities) in my country and is a common species, but it is not a dominant species everywhere. It occurs more frequently in various regions, and records in Japan mainly occur in Hokkaido. There are many host plants.