Coxcomb prominent

The Coxcomb prominent (Ptilodon capucina) is a moth species belonging to the Notodontidae family. It is widely distributed across Europe and Asia, often recognized by the unique posture of its larvae and the distinct appearance of the adults, which resemble folded dry leaves when at rest.

This species primarily feeds on a variety of deciduous trees, including birch, alder, oak, lime, and willow. Because it thrives in deciduous forests and woodlands, it is often considered a minor forest pest, though local outbreaks can lead to significant localized defoliation of host trees.

The life cycle typically involves one or two generations per year. The insect overwinters as a pupa within a tough cocoon, usually buried in the leaf litter beneath the host tree. Moths emerge in late spring or summer, and the subsequent larvae are present on the host foliage throughout the warmer months.

Larval feeding causes damage to the foliage structure. Young larvae feed by skeletonizing the undersides of leaves, while older larvae consume the entire leaf blade, leaving only the midribs and major veins intact. Repeated, severe defoliation over several seasons can stress trees, making them vulnerable to secondary pests and drought.

Management strategies focus on integrated pest control. For small infestations, manual removal of caterpillars is highly effective. In larger areas or during severe outbreaks, biological insecticides based on bacteria or selective chemical pesticides can be applied. Monitoring the timing of egg-laying and larval emergence is crucial for successful treatment.