Massive harvests loss to planthopper infestations occurs after insecticide spraying.
•
The DPSIR mental model recommending spraying ignores ecological feedback mechanisms.
•
Feedbacks can be described as a second, complementary DPSIR cycle.
•
Integrating both, the Responses of one are the Drivers of the other, and vice versa.
•
The “double DPSIR” may be able to illustrate current deficits to land managers.