black weevil

Thân thiện

A black weevil crawls on a single grain of rice.

Definition

Noun 1. A type of beetle harmful to stored grains: The term "black weevil" refers specifically to a small, dark brown to black beetle (scientific name: Sitophilus oryzae or similar species) known for infesting and damaging stored food products, particularly rice and other cereals.

Usage Examples

• Noun:
  • The farmer discovered a black weevil infestation in his silo of rice.
  • Effective storage methods are crucial to prevent damage from the black weevil.
  • This particular black weevil is a major pest of stored grain worldwide.

Advanced Usage

• As a subject in agricultural science: The term is used in technical contexts discussing pest control, entomology, and post-harvest crop protection.
  • Research on the life cycle of the black weevil helps in developing targeted pesticides.

Variants and Related Words

• Rice weevil: A common synonym for the same insect.
• Grain weevil: A broader term that may include the black weevil and other similar species.
• Sitophilus oryzae: The scientific name for the most common species referred to as the rice or black weevil.

Synonyms

• Rice weevil
• Grain beetle (in a general sense)
• Stored product pest

Notes on Meaning

• The term "black weevil" is often used interchangeably with "rice weevil." While the adult beetle is typically a dark reddish-brown to black, the name primarily denotes its behavior as a pest of stored grains, not solely its color.
• It is distinct from other agricultural pests like the boll weevil (which attacks cotton) or the vine weevil (which attacks plants).

Học thuật

Noun

1. brown weevil that infests stored grain especially rice

Từ đồng nghĩa

• rice weevil
• Sitophylus oryzae