Colour‐coded sampling: the pan trap colour preferences of oligolectic and nonoligolectic bees associated with a vernal pool plant

Summary 1. Pan traps or water traps have been used widely to sample agricultural insect pests, but no formal studies have assessed the utility of these traps as sampling devices for bees. 2. Coloured pan traps, used as flower models, can efficiently and selectively sample an oligolectic bee, Andrena... View More