Maintaining and servicing your Qista trap

Already using the Qista mosquito trap? Here is some advice to keep it effective and maintain your machine.


To keep the mosquito trap effective, the consumables (lure and recycled CO2) need to be replaced every month. As for the CO2 filter, this should be replaced every year, preferably at the start of the season.

Running out of consumables would allow mosquitoes to rapidly settle in the protected area. A female mosquito can lay up to 200 eggs every 48 hours. Once the larvae have hatched, thousands of mosquitoes would invade your outdoor spaces.

Replacing the consumables

The consumables should be replaced every month. The olfactory lure starts losing its effectiveness after 30 days and is no longer potent enough to attract female mosquitoes from a distance. Its effectiveness decreases gradually making it useless.

The CO2 operates in the same way as a conventional gas canister, it empties as it is used. A CO2 canister used with a Qista machine provides 1 month of diffusion for a 15-hour per day programme (average Qista recommendation for significant trap effectiveness in a moderately infested area). For highly infested areas, daily programming must be increased and the CO2 will be used up faster. So you might need to replace it more often, depending on your usage. For other areas, daily usage of 10 to 15 hours will make it possible to use the canister for over one month.

See the consumables


Your traps are located outdoors and as a result become soiled by natural phenomena (dust, sap, resin, bird droppings, rain residue, etc.).

They are very easy to clean. First, wash the trap using a sponge and soapy water (you can also use your usual multi-purpose household cleaner). If the trap is very dirty, repeat the operation. Then rinse using clean water, dry, and your trap will be as good as new!

What to do if there are resin or sap stains? Just rub the stain using a cloth soaked in turpentine or white spirit. Afterwards, remember to clean using soapy water and dry the part in question.


Once the season is over, the time has come to winter the trap. This is how to do it:

  1. Disconnect the trap from the power supply.
  2. Remove the consumables and shut the lure box (hermetically, using adhesive tape if possible).
  3. Store the trap indoors (garage, garden shed, etc.) or in a sheltered location.
  4. Wrap it in a tarpaulin or sheet to prevent insects or other pests from nesting in it over the winter and damaging the components, or sheltering in the machine piping and blocking it.

Good practices

  • Do not cover the trap when it is running
  • Place the trap on the ground, do not place it at height or bury it
  • Do not repaint the trap
  • Only use Qista lures
  • Do not combine the 2 types of lure: they would cancel each other out
  • Only use CO2 sold by Qista
  • Do not use gases other than CO2
  • Do not block the openings


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