jointworm

Học thuật
Thân thiện
jointworm

A farmer examines a jointworm on a damaged wheat stalk.

Definition

Noun: 1. The larva of a chalcid fly that bores into and damages the stems of cereal plants, especially wheat: A "jointworm" is the destructive, worm-like immature stage (larva) of certain small wasps (chalcid flies). These larvae feed inside the stems of grain crops, causing harm to the plant's structure and yield.

Usage Examples
  • Noun:
    • The farmer identified the stunted growth in his wheat field as damage caused by the jointworm.
    • Researchers are studying biological controls to manage jointworm infestations.
Advanced Usage
  • The term is primarily used in agricultural and entomological contexts to describe a specific pest. It is often discussed in relation to integrated pest management strategies for cereal crops.
Variants and Related Words
  • Chalcid fly / Chalcid wasp (n): The type of small hymenopteran insect whose larva is the jointworm.
  • Straw-worm (n): A less common synonym for jointworm, referencing its habitat within the plant's stalk.
Synonyms
  • Straw-worm
  • Stem borer larva (general category)
Notes on Meaning
  • The name "jointworm" derives from its habit of boring into the "joints" or nodes of cereal plant stems.
  • It is not a true worm but is the larval form of an insect.
jointworm

A farmer examines a jointworm on a damaged wheat stalk.

Noun
  1. larva of chalcid flies injurious to the straw of wheat and other grains

Từ đồng nghĩa