Roach Bait - Bait Placement

Bait Placement

Cockroaches tend to live in groups with fellow cockroaches in the darkest shelters available. They instinctively choose darker over more illuminated areas. Cockroaches will settle in if a place is dimly lit and well populated, and will use their antennae to feel whether other cockroaches are present.

The best way to determine the extent of cockroach activity, and hiding places is to look for them at night. Cockroaches are nocturnal, the few that you see by day were likely forced out by overcrowding; a possible sign of severe infestation. You will be looking for their excrement droppings (looks like black pepper). Roaches prefer crowds and darkness. Simple minded, they use just two pieces of information to decide where to go. They go where the most cockroaches are, and where it is darkest. They act as a group, and they tend to stay together.

For baiting to be effective, proper placement and techniques are a must. Put baits as close to the nest as possible. A bait just eighteen inches further away from a nest can reduce the amount of bait eaten by half. If the same amount of bait is used to cover two areas, the area with the greater number of traps will have most bait eaten. One should avoid spraying insecticides in baited areas, as that can cause the bait to become contaminated, thus the roaches would likely avoid consuming it. Baits, gels and Insect Growth Regulators can be useful in many cases.

Bait placed in the open, away from a wall, is essentially non-effective because cockroaches are less likely to locate it. Twice as much food per day was consumed when it was next to a nest rather than 18 inches away. A small quantity of bait in many locations provides better control than large quantities in a few locations.

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