In attacking cockroaches, one should concentrate on monitoring the cockroach population and delivering pesticides into active harborage areas rather than "baseboard spraying." |
Identification of harborage is critical to an effective cockroach control program. An active inspection with a bright flashlight is the most thorough method of locating cockroaches. The technician can search dark, undisturbed, or remote places of cockroach harborage that have not been properly inspected. Hand mirrors, magnifying hand lens or other small tools may be helpful to some technicians.
Brown-banded cockroaches, like German cockroaches, build up the highest populations in kitchens. However, their tendency is to increase in warm rooms. They can be common around high cabinets and areas near stoves and warm motors, such as those in refrigerators, electric clocks, light timers, televisions and radios.
Use of sticky (glue) traps is a common inspection or monitoring method used for cockroach detection. Correct trap placement depends upon the technician's understanding of cockroach food-seeking (foraging) habits; place sticky traps behind kitchen appliances, in cabinets, supply rooms and similar locations.
Recommendations to reduce harborage include:
Seal as many cracks and crevices in the kitchen and food storage areas as possible with a good silicone sealer. A review of monthly reports may indicate from time to time that other specific areas may need to be sealed. Repair holes in walls or floors and seal inaccessible areas that could become harborages for pests. Replace wood food storage shelves with wire shelves. Do not store infrequently used items in the same areas as frequently used items and food supplies. Repair all moisture problems. Do not keep recycled goods such as beverage containers, cans, paper, cardboard, etc. near the kitchen or food supply areas. Institute a good cleaning program. Pesticide use without cleaning and sanitation will not produce long term control of a pest infestation. Recommend good lighting. Point out areas that need ventilation. Recommend reduction of clutter (particularly cardboard boxes) and excess product in cabinets or storage. Where practical, install air curtains to keep out flying insects.
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