The established approach to detecting insect pests, moths in particular, is to employ pheromone-baited sticky traps. Pheromones are chemicals which animals use to communicate and especially to attract members of the opposite sex. An appropriately baited sticky trap gives a fair idea of the number and type of pests around, but not with sufficient detail for the precise application of pest control measures. Such traps have, however, changed little in decades, except that some now come with a digital camera which transmits a daily picture of the trapped insects. FarmSense’s researchers reckon they can do better. How has the spy technology changed ?

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