Coffee bean borer

Coccotrypes vulgaris is a species of beetle belonging to the order Coleoptera and the family Curculionidae (subfamily Scolytinae). This insect is recognized as a significant agricultural pest that primarily targets the fruits and seeds of coffee plants within tropical and subtropical agricultural ecosystems.

The primary host crops for this pest are coffee species (Coffea spp.). The beetle is highly specialized, and its survival depends on its ability to bore into the hard shells of coffee cherries, making it a major concern for coffee producers globally who face risks of harvest loss.

The biological cycle of the beetle is entirely endocarpic, meaning it completes its life stages inside the seed. An adult female bores into the cherry and deposits eggs within the endosperm. The larvae then consume the seed material, undergoing pupation within the same hollowed-out space before emerging as adults.

The damage caused by Coccotrypes vulgaris includes the destruction of the seed's structure, which significantly degrades bean quality and market value. Furthermore, the boreholes created by these insects serve as entry points for secondary pathogens, such as fungi and bacteria, which can cause internal decay of the coffee bean.

Effective management requires an integrated approach to reduce population levels. Key strategies include the immediate collection and destruction of infested fallen fruits to break the life cycle, the use of pheromone-baited traps for population monitoring, and the application of targeted insecticides during periods of peak adult flight activity.