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Pheromone Monitoring


Pest Control M. Walshe, the first company in India to bring in & use Pheromones as a tool for monitoring in the Pest Management industry. PCMW works in close co-operation with Insects Ltd of the USA, who are one of the pioneers in pheromone technology.


What are Pheromones ?
Insects use certain chemical scents to communicate. These chemicals were first discovered over 100 years ago by entomologists who captured female moths in boxes & placed them near an open window, only to find male moths of the same species aggressively attracted to this window. Man has competed with insects since he has been on this planet & will continue to do so as long as he exists. What a human being posses in intelligence, insects overcome with persistence, reproductive capacity, size & adaptability. Insects know how to survive. Some insect species have been on this planet for over 300 million years. Stored product insects are the most damaging insects because they feed upon products that have been grown, harvested, & many times gone through processing stages, packaging stage, marketing stage, transportation stage & finally the storage stage.

Products that become infested have to be discarded causing huge financial losses.

Pheromone monitoring today is the most important step in progressive pest management strategy as it helps by detecting the presence of insect pests at an early stage.

But keep in mind that installing of pheromone traps does not mean that other measures such as sanitation of an effective pest control program are reduced or abandoned.

Placement of Pheromone Traps

Pheromone traps are mostly used in food warehouses & food processing plants (can also be used in your kitchen at home). Place traps in a grid pattern to pinpoint new infestations. Vertical support beams exist in warehouses, use them to set a grid pattern. Some warehouses do not have support beams, in such cases for example the pallet racking or other means can be used to secure a natural grid. The size of the grid will vary with the facility. As a general rule, intervals of 25 ft to 30 ft produce good results. If an area seems to have an infestation, more traps should be placed around that location to help zero in on the infested goods. Traps should also be placed near insect harbourage areas such as corners, beams, entry & exit points. Do not place traps (inside) near exterior door or windows to prevent luring of insects from outside. It is however advisable to keep outside especially near the loading/unloading area. This will prevent the entry of pests from the outside inside i.e. the idea to place the traps outside is that id any pests are trying to make their way inside the pheromones will attract them outside & try to prevent them from entering the premises.

Record Keeping

Good Record keeping are critical for effective use of pheromone traps. A grid map location of should be maintained & updated regularly. A regular log of inspections carried out must be maintained. On locating the infestation source, implement control measures & continue monitoring to evaluate effectiveness of action/control measure carried out.





Head Office : 503, Embassy Centre, Nariman Point, Mumbai - 400 021
Phone : 022-22850615, 22850616, 22850277, 40020615
Fax : 91-22-22040634 Email : info@pcmw.com