Pest

Common green lacewing

Chrysoperla carnea

Description

Important note: The common green lacewing (Chrysoperla carnea) is a beneficial predator, not a crop pest. It is widely recognized in professional agronomy as a critical natural enemy that provides effective biological control against various soft-bodied agricultural pests.

Taxonomically, the insect belongs to the order Neuroptera and the family Chrysopidae. They are easily identified by their bright green bodies, large translucent wings with intricate venation, and striking gold-colored eyes, which are characteristic features of the adults.

The life cycle consists of complete metamorphosis: egg, larva, pupa, and adult. The eggs are deposited on long, silk-like stalks, which serve as a survival strategy to prevent the cannibalistic larvae from consuming each other immediately after hatching.

The larvae, often referred to as "aphid lions," are highly voracious predators. They possess large, curved mandibles that allow them to grasp their prey and inject digestive enzymes, effectively clearing infestations of aphids, mites, and whiteflies without damaging the plant tissues themselves.

Agricultural management should focus on conserving native populations of lacewings by minimizing the use of broad-spectrum pesticides. Farmers are encouraged to implement conservation biological control practices, such as providing floral nectar sources, to ensure these beneficial insects remain present throughout the growing season.

Biology

Taxonomy

Latin name
Chrysoperla carnea
Family
Chrysopidae

Taxonomy and Latin: EPPO Global Database · code CHROCR

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