From the field

Practical notes on pest problems in Sri Lanka and what actually works against them.

All topics Termites Identification Cockroaches Treatment Mosquitoes Dengue

CockroachesWhy cockroaches keep coming back after you spraySpraying kills the cockroaches you can see, which is almost never the problem. Here is what is actually happening in the wall behind them, and why baiting works when spraying does not.5 August 2026 · Lahiru Pest Management