Cucullia calendulae is a species of moth belonging to the family Noctuidae. It was first scientifically described by the German entomologist Friedrich Treitschke in 1835. The species is a member of the subfamily Cuculliinae, a group often referred to as "sharks" due to the streamlined shape of the adults' wings and their distinct thoracic hoods.
Taxonomy and Distribution
Cucullia calendulae is primarily distributed across the Mediterranean basin, including Southern Europe (such as Spain, Italy, and Greece), North Africa, and the Near East. Its range extends to the Canary Islands and parts of Western Asia, including Iran and Iraq. It is typically found in warm, dry habitats where its host plants are prevalent.
Morphology
The adult moth features narrow, elongated forewings that are predominantly grey or brownish-grey in color. These wings are marked with fine, dark longitudinal streaks and obscure stigmata, which provide effective camouflage against wood or dry vegetation when the moth is at rest. The hindwings are generally paler, often transitioning to a darker shade toward the margins. Like other species in the genus Cucullia, it possesses a prominent tuft of scales on the thorax that resembles a hood.
Biology and Ecology
The species is named after its primary larval host plants, which belong to the genus Calendula (marigolds), specifically Calendula arvensis and Calendula officinalis. The larvae are known to feed on both the leaves and the floral components of these plants.
The life cycle of Cucullia calendulae can vary based on geographic location. In some regions, it is univoltine (producing one generation per year), while in warmer climates, it may be bivoltine. Adult flight periods typically occur in the spring and late autumn. The larvae are often distinctively colored, featuring patterns of green, yellow, and black spots or stripes, which may serve as a form of aposematic (warning) coloration or disruptive camouflage depending on their specific environment. The species overwinters in the pupal stage, often within a cocoon reinforced with soil or plant debris.