Alfalfa webworm – Definition & Meaning

The alfalfa webworm is a type of moth that is known for its destructive behavior towards alfalfa plants. This pest is a common problem for farmers who rely on alfalfa as a source of feed for their livestock. In this article, we will explore the definition and meaning of the alfalfa webworm, as well as its origins, associations, synonyms, antonyms, and examples of its use in sentences.


The alfalfa webworm is a type of moth that belongs to the family of Gelechiidae. It is also known by its scientific name, Loxostege cereralis. The larvae of this moth are known for their ability to spin webs and create nests on alfalfa plants, which can cause significant damage to the crop.


The alfalfa webworm is native to North America, where it is commonly found in alfalfa fields. It has also been introduced to other parts of the world, including Europe, Asia, and Africa.

Meaning in different dictionaries

According to the Merriam-Webster dictionary, the alfalfa webworm is defined as “a small moth whose larvae spin webs on alfalfa plants and feed on the leaves and stems.” The Oxford English Dictionary defines it as “a moth whose larvae create webs and nests on alfalfa plants, causing damage to the crop.”


The alfalfa webworm is often associated with agricultural pests and crop damage. It is also associated with the use of pesticides and other methods of pest control.


Some synonyms for the alfalfa webworm include the alfalfa leafroller, the alfalfa looper, and the alfalfa caterpillar.


There are no antonyms for the alfalfa webworm, as it is a specific type of pest.

The same root words

The root words of the alfalfa webworm are “alfalfa” and “webworm.” Alfalfa refers to the plant that the pest feeds on, while webworm refers to the pest’s ability to spin webs and create nests.

Example Sentences

  1. The alfalfa webworm has caused significant damage to our crop this year.
  2. We have tried several methods of pest control to prevent the alfalfa webworm from infesting our fields.
  3. The larvae of the alfalfa webworm are known for their ability to spin webs and create nests on alfalfa plants.
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