Methods drawer
The IPM ladder
Integrated Pest Management, in the order this desk applies it: identify, exclude, remove, monitor — and only then reach for a product, starting with the least toxic that will do the job.
IPM is not 'no pesticides'. It is a ladder, climbed one rung at a time, in which each rung is tried and measured before the next is needed — and in which a job that can be finished on rung two is never sold from rung five.
- Identify. The exact pest, from a specimen or its traces. Half of all failed treatments are a correct product aimed at the wrong insect.
- Exclude. Seal the entry, fit the sweep, screen the vent. Finished here, the problem does not return next season.
- Remove the living. Vacuum, trap, knock down the nest that is out of traffic, discard the infested bag of seed. Physical removal carries no resistance and no residue.
- Starve and dry. Sanitation and moisture work: cut the food, the water, and the shelter the population is living on.
- Monitor. Traps and interceptors, counted over weeks, to prove the problem is falling — or to prove it is not and the ladder must be climbed.
- Target the least-toxic product that fits. Baits in cracks, desiccant dusts in voids, a residual only at the surfaces that need it — placed, recorded, and kept away from food, children, and pollinators.
- Escalate deliberately. Whole-structure work — heat, termite soil treatment, void work — when the lower rungs have demonstrably failed or the pest's biology skips them, with a licensed applicator and a written plan.
Two habits make the ladder real rather than a brochure: a threshold (a number that says 'act now' versus 'watch') and a record (what was found, done, and caught, dated). Any operator who works this way will show you both. Any operator who starts at the sprayer is telling you which rung they live on.