Insect – Moderate risk

Housefly

Musca domestica

The housefly is the most common flying insect found in homes in Quebec. Attracted to trash and food, it reproduces rapidly and can carry many germs from one surface to another.

Fiche de la mouche domestique du Québec. Musca domestica​

6 to 7 mm · Gray with 4 black stripes

SIZE
6 to 7 mm
COLOR
Gray with 4 black stripes
ACTIVITY
Diurnal
SEASON
May–October

§1Distinctive features

How to identify it

A small fly, 6 to 7 mm long, with a gray body bearing four black longitudinal stripes on the thorax. It has prominent red eyes, translucent wings, and a yellowish abdomen on the sides. It moves in short flights and often lands on surfaces.

§2Habitat

Where to find it

It can be found anywhere there is food or waste: kitchens, trash cans, countertops, ripe fruit, and animal carcasses. It enters through poorly secured doors and windows and lays its eggs in decaying organic matter.

§3Reproduction

Lifecycle

PHASE 1
Eggs Laid in Large Quantities
Hatches in 8 to 20 hours
PHASE 2
Larval stage (maggot)
Duration: 3 to 7 days
PHASE 3
Reproductive adult
Lifespan of 15 to 30 days

Without intervention, an infestation can double in size in just a few weeks.

§4What to look out for

Signs of infestation

§5Why act fast

Risks

§6Prevention

How to avoid it

§7Pro method

How MW works

STEP 01

Inspection

We identify breeding sites and entry points to pinpoint the source of the infestation.

STEP 02

Preparation

We recommend sanitizing high-risk areas and securing access points before treatment.

STEP 03

Treatment

We apply targeted insecticides and set up appropriate traps to eliminate flies.

STEP 04

Follow-up

We conduct follow-up inspections to confirm that the pests have been eliminated and to prevent any reinfestation.

§8We answer you

Frequently asked questions

It can carry bacteria and contaminate food, posing a real health risk.

Eliminate food sources, keep trash cans closed, install mosquito nets, and treat breeding sites.

A strong presence often indicates the presence of trash, decaying matter, or a breeding site nearby.

24/7 INTERVENTION

React quickly, sleep well.

The longer the infestation lasts, the more expensive it becomes.