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09 April 2025 - News
Mosquitoes belong to the Diptera order, with around 100 species, about 60 of which have been identified in Italy. Some species within this group can transmit serious infectious diseases to humans and other mammals.
The most widespread mosquito genera in urban and rural areas frequented by humans are:
Anopheles – the well-known malaria mosquito;
Ochleratus – predominant in rice fields and marshy areas;
Aedes – includes the invasive Aedes albopictus (tiger mosquito);
Culex – the common mosquito found in cities.
We distinguish between “urban” anthropophilic species, such as Culex pipiens molestus and Aedes albopictus, and “non-urban” anthropophilic species like certain members of the Ochleratus genus. Recently, two invasive exotic species—the Korean mosquito (Aedes koreicus) and the Japanese mosquito (Aedes japonicus)—have begun adapting to the local environment.
Mosquito control involves two main types of intervention: larvicidal and adulticidal.
Control efforts should start with larvicidal treatments, which eliminate the largest portion of the population, followed by adulticidal treatments for broader area protection against flying adults.
Preventive action is essential, as it addresses ecological needs: mosquito larvae in standing water can number in the thousands and, once emerged, disperse widely.
Begin with site analysis to identify and treat mosquito breeding grounds.
| Macro-breeding sites | Micro-breeding sites | Adult resting sites |
|---|---|---|
Stagnant waterways (canals, ditches, drains) |
Temporary rainwater collections (lasting at least a week) |
Sewer system |
Marshlands, tidal flats, irrigation ponds, etc. |
Street drains, clogged gutters, tanks, and small irrigation water collections |
Tree and shrub vegetation up to three meters in height |
Damp or wet basements, underground floors in buildings under construction |
Collection containers (saucers, jars, barrels, discarded tires, broken bottles, etc.) |
Water collection pits and warm basements in homes, hotels, and public facilities |
sewer system |
abandoned wells |
If needed, perform entomological monitoring using ovitraps and/or mass-capture traps to assess mosquito presence.
The larvicidal control service includes periodic treatment of non-removable standing water, conducted monthly from April/May to October/November.
Clients must be advised to eliminate temporary water collections like plant saucers or water containers, which could compromise treatment effectiveness.
Recommended larvicides:
Liquid silicone-based formulation: Siliqua
IGR tablets with S-Methoprene: Larvicol Tablets
Adulticidal interventions should be viewed only as supplementary, not as a replacement for larvicidal treatments.
They are required in specific contexts, such as confirmed arbovirus outbreaks, posing a threat to public health.
This service involves treating ornamental greenery with insecticides based on pyrethrum and/or synergized pyrethroids using either green-solvent or water-based formulations, depending on the PCO’s preference and treatment context.
Recommended products:
Emulsifiable concentrates (pyrethroids)
Cymina Plus, Cymina Super, Flytrin, Sting, Pyrequit, Pyrechyr
Emulsifiable concentrates (natural pyrethrum)
Pyrequit
Water-based microemulsions
Cymina Ultra, Cymina 10, Permacol 16.2, Flytrin 6.14
For optimal efficacy and minimal disruption, adulticide treatments should be carried out in the evening or at night, avoiding adverse weather conditions (rain or winds exceeding 3 m/s). Always comply with local municipal regulations when they exist, as some authorities issue annual ordinances governing all aspects of adulticidal treatments.