IPM employs physical, mechanical, cultural, biological, and educational tactics to keep pest numbers low enough to prevent intolerable damage or annoyance. Least toxic chemical controls are used as a last resort. Least Toxic chemicals are those that affect the targeted pest only and not other creatures or affect non-target species only at very high concentrations. Least toxic chemicals also tend to break down into harmless substances faster than synthetic pesticides. These chemicals can be purchased at garden stores, discount retail stores and grocery stores and from some pest control suppliers.
Boric acid acts as a stomach poison.
Cockroaches have not developed a resistance to it as they have with commercial pesticides. It can be sprinkled in hard to reach places such as the back corner of the cabinet or under the sink. If kept dry, it remains effective for the life of the building. Growth Regulators work by disrupting the development of the target pest. They are insect specificand harmless to non-target species.