Cerura cinerea

Cerura cinerea is a species of moth within the family Notodontidae (prominent moths). As an agricultural and forest pest, it is primarily recognized for the damage its larvae inflict on specific host trees, which can impact the vitality and aesthetic quality of ornamental and commercial plantations.

The primary host plants for Cerura cinerea are species within the Salicaceae family, specifically poplars (Populus) and willows (Salix). The insect is well-adapted to these host species, utilizing the foliage as a primary nutrient source throughout its larval development stage, often leading to noticeable defoliation in infested areas.

The life cycle of the moth consists of complete metamorphosis. Females typically deposit eggs on the surface of leaves. Once the larvae emerge, they exhibit a distinct feeding behavior. A unique morphological trait of these larvae is the presence of two tail-like structures on the abdomen, which serve as a defensive display against potential predators and parasitoids.

The damage caused by Cerura cinerea is characterized by the consumption of leaf tissue. Younger larvae often skeletonize leaves, while older, more mature larvae consume entire leaf blades, leaving only the primary veins. Severe infestations result in significant defoliation, which reduces the photosynthetic capacity of the tree and can lead to growth stagnation if the stress persists over several seasons.

Effective management and control measures include:

• regular monitoring of larval populations during the growing season;
• the application of biological control agents, such as Bacillus thuringiensis, when larvae are young;
• utilizing systemic or contact insecticides during peak infestation periods if biological options are insufficient;
• promoting habitat corridors for natural predators like birds and parasitic wasps to regulate population density naturally.