Studying the effects of predation in cryptic herbivorous insects is difficult because many spend all or most their life cycle inside host plant. Here, we designed and 3D-printed artificial coffee berries to study berry borer, Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae, Scolytinae), by flat bark beetle, Cathartus quadricollis (Guerin-Meneville) Silvanidae). The were tested under la...