What is Spodoptera exigua commonly known as?

Spodoptera exigua is commonly known as the beet armyworm. This pest is known for its significant impact on various crops, feeding on the foliage and potentially causing extensive damage. The name "beet armyworm" reflects its notable association with beets, though it also affects a variety of other agricultural plants.

The beet armyworm is identifiable by its behavior and appearance; it exhibits a distinctive armyworm morphology, such as the characteristic striped or mottled patterns on its body that can vary in color. The larval stage of this pest is particularly damaging, as the caterpillars feed voraciously on leaves, which can lead to reduced crop yield and quality.

Other options mentioned represent different pests: the citrus leafminer refers to a pest that primarily affects citrus trees, the California red scale is associated with fruit trees and shrubs, and the western yellowstriped armyworm pertains to a different species that affects various crops but is distinct from Spodoptera exigua. Understanding these distinctions is important for identifying pests and managing them effectively in agricultural settings.