Anthocomus

The genus Anthocomus belongs to the Melyridae family, commonly known as soft-winged flower beetles. While some species serve as beneficial predators in natural ecosystems, in agricultural settings, they are often recognized as pests due to their tendency to feed on the reproductive parts of flowering crops during critical growth stages.

These beetles are frequently found on a variety of crops, including canola (rapeseed), sunflower, cereals, and various fruit trees. During their adult stage, they congregate on flowers, where they consume pollen and cause structural damage to anthers, filaments, and pistils, which disrupts natural pollination and hinders fruit set development.

The life cycle of Anthocomus is typically univoltine, meaning one generation per year. Adults emerge in the spring, coinciding with the flowering phenology of many host crops. The larval stages are generally secretive, often residing under tree bark, inside dry plant stems, or within the soil, where they may exhibit predatory behavior, feeding on smaller arthropods like aphids.

The primary economic impact is caused by adult beetles damaging the reproductive organs of plants. By grazing on flower tissues, they trigger the premature abscission of buds and flowers. This results in direct yield loss, as the number of viable ovules that can develop into seeds or fruits is significantly reduced following severe infestations.

Effective pest management requires a combination of monitoring and cultural practices. Implementing visual traps helps assess population density before taking chemical action. If the economic threshold is exceeded, targeted application of selective insecticides is recommended, strictly avoiding periods of intense pollinator activity. Additionally, clearing crop residues and weeds helps reduce overwintering sites for the larvae.