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The most important step in Defon’s IPM system is inspection and monitoring of the area of interest. The findings of the survey, together with information from people living and/or working on the premises are used for the formulation and implementation of the company’s strategic action plan. After completion of the plan a follow-up survey is performed to establish the effectiveness of the actions taken and if necessary, additional measures are applied.

There are many parameters explored during the initial and the follow-up survey, such as:

Selection of survey equipment

Survey methods

Signs of infestation

Identification of the Pest

Source of infestation

Extent of infestation

Degree of infestation

Identification of problem areas

Reports

Regular monitoring

Selection of survey equipment


Selection of the appropriate equipment for searching, trapping, estimating pest population, such us: a torchlight, flushing-out sprays, baits, traps, measuring instruments, magnifying glass, etc., is important to conduct a thorough survey.


Defon’s thorough knowledge about pest species, their ethology and biology, is vital to the survey’s success.

Defon has always operated with environmental ethics, even before concern for the environment became an issue within this industry, based upon principles which were later embraced by the Integrated Pest Management (IPM) system.

Defon’s environmentally friendly approach is not only limited to the use of approved biocide products. The company initially focuses on investigating the problem whilst subsequently suggesting preventative measures to the client in order to discourage pests and infestations. The company then develops and applies an action plan which considers all possible control methods. After this procedure, a follow-up survey is performed. Finally, a report folder is composed and submitted to the client.

All these operations are carried out whilst keeping health and safety, the environment and efficiency in mind.

According to the contract arranged between the client and Defon, a report folder is submitted to the client as the final step of Defon’s IPM system, which includes but is not restricted to the following:

  • A detailed report describing all Defon’s work conducted under the frame of the company’s IPM system. Included, are also guidelines and recommendations to the client, aiming to improve the contracted area, as to not be susceptive to pests.
  • The private agreement (contract) signed by the client and Defon, which incorporates the necessary number of treatments that have been calculated according to each client’s needs.
  • Defon’s credentials, such as its work permit, issued by the relevant government department of the country where the company conducted its work (in Greece, by the Ministry of Rural Development and Food), ISO certificates etc.
  • The Material Safety Data Sheets (MSDS) of the biocides used and their registration numbers, issued by the relevant government departments.
  • Blueprint of the treated area with the positions of the rodent bait stations noted.
  • Blueprint of the treated area with the positions of the electric fly killers noted.
  • Defon’s pest control certificate verifying work completed, which can be presented by the client upon inspection by the Environmental Health Department.

The report folder adheres to any quality system that the client company might follow such as HACCP, ISO 9001, ISO 22000, etc.

After a thorough survey and assessment of the findings, Defon develops an action plan as part of its IPM system. Problem areas are highlighted to the client with preventative recommendations to discourage the presence of pests for a current and/or foreseen infestation. In parallel, Defon will commence the implementation of a combination of practices to achieve the desired result.

This section refers to the control of pests through synthetic biocidal products. Popularizing the directive 528/2012 of the European Union, ‘biocidal product’ means any substance with the intention of destroying, deterring, rendering harmless, preventing the action of, or otherwise exerting a controlling effect on, any pest by any means other than mere physical or mechanical action.The composition of the active ingredient(s) of a biocidal product can be of natural or synthetic origin. In practice synthetic biocides are predominately used, whilst those containing natural active ingredients, although not at the same category, are presented here because of their similar mode of action.

Mode of action:

For Arthropods

For Rodents

For Birds & Snakes

Arthropods

Insects, Acari (Mites, Ticks) Scorpions, Centipedes, Spiders, Millipedes, etc.


Biocidal products that target arthropods (pesticides such as insecticides and acaricides) can be classed depending on their mode of action into:

  • Contact biocidal products (insecticides, acaricides):

    Applied via aerosol spray droplets, powder or granular formulations, have an effect when they come into direct contact with insect or other arthropod cuticle (exoskeleton). Through this route they enter the body of these organisms.

  • Stomach biocidal products (insecticides, acaricides):

    These are mainly applied as poisonous baits, directly consumed by insects (and other arthropods) that act upon ingestion. Some contact biocides may also act as stomach biocides when they enter the digestive system, via grooming (process of arthropod body cleaning).

  • Fumigants

    Applied as gasses or vapours, they get in the system of insects or other arthropods via inhalation through the spiracles (small holes along the side of their bodies) causing acute toxicity.

    More details on the subject are listed in the section. Fumigation

    More details on the subject are listed in the section "Fumigation"

With the exception of fumigants, the majority of synthetic biocides, after use, leave behind a residue that will not break down over short periods of time and will thus be effective in controling arthropods for extended periods, often up to several months (depending on circumstances). This time is dependent on several parameters such us the formulation type (liquid, dust, etc.), the type of surface applied (smooth, porus, etc.), the weather conditions after application (sun, rain, etc. can lower the activity period) and more.

It has to be pointed out that biocides with natural active ingredients usually degrade faster. These are mainly used as insect repellents or where no prolonged residual action is desirable.

With Defon’s IPM system, chemical biocide formulations are handled in a safe and professional manner. The following are some important considerations before their use:

This selection is based on the following inter-related issues:

  • Pests

    Relates to the biology of the targeted pests, their ethology, their resistence to certain active ingredients, etc.

  • Active Ingredient of biocidal formulations:

    Relates to the biology of the targeted pests, their ethology, their resistence to certain active ingredients, etc.

  • Area of application:

    Relates to the biology of the targeted pests, their ethology, their resistence to certain active ingredients, etc.

  • Formulation:

    Relates to the biology of the targeted pests, their ethology, their resistence to certain active ingredients, etc.

Prior to use: The entire contents of the label are checked before use of any formulation.

Doses and application points: Biocides are applied to the appropriate points with the correct dosage and not used indiscriminately anywhere. Special care is taken within food areas. If sublethal doses are used and/or isolated pest pockets are left undetected and left undisturbed, the attempt for control fails, which may increase the likelihood of pests developing resistance to the active ingredient used. Correspondingly, the thoughtless application of excessive doses (in relation to the proper ones) may lead to environmental hazards, whilst the possibility of resistance development in this case, also increases. Such inappropriate handling could also deter arthropods from approaching the treated area therefore not exposing them to a lethal dose.

Rotation of active ingredients: Active ingredients are regularly rotated for avoidance of resistance development.

Safety measures: Biocides are handled in the most appropriate and safe manner whilst the operators employ the most appropriate Personal Protective Equipment (PPE).