sâu keo
Definition
- Noun:
- Fall armyworm: A highly destructive agricultural pest, the larval (caterpillar) stage of the moth Spodoptera frugiperda. It is known for its rapid reproduction, long migration distance, and ability to feed on a wide variety of crops, especially grasses like maize (corn), rice, and sorghum.
- Green caterpillar with a dorsal stripe: Describes the common appearance of these larvae, which are typically greenish with a distinctive stripe running down the length of their back.
Usage Examples
- Noun:
- Nông dân đang lo lắng vì sâu keo tấn công cánh đồng ngô. (Farmers are worried because fall armyworms are attacking the cornfield.)
- Sâu keo có thể gây thiệt hại nghiêm trọng cho mùa màng. (The fall armyworm can cause serious damage to crops.)
- Trên lưng con sâu keo có một sọc dọc màu xanh. (There is a green vertical stripe on the back of the fall armyworm.)
Advanced Usage
- The term "sâu keo" is often used in agricultural news, warnings, and research reports to denote a major biosecurity and economic threat to food security.
- It is frequently modified by the crop it affects for specificity, e.g., (maize/corn fall armyworm).
Variants and Related Words
- Sâu (n): worm, caterpillar, larva. The general term for which is a specific type.
- Sâu bệnh (n): pests and diseases. is a prime example of a .
- Spodoptera frugiperda (n): The scientific Latin name for the fall armyworm species.
Synonyms
- Fall armyworm: The standard common name in English.
- Armyworm caterpillar: A more general term, as belongs to the armyworm group known for moving in large numbers.
Related Terms & Context
- Dịch hại (n): pest, plague. An outbreak of is considered a .
- Phun thuốc trừ sâu (v): to spray pesticide. This is a common action taken to control .
- Thiên địch (n): natural enemy. Refers to predators or parasites used in biological control against .