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Cockroaches

German cockroaches, oriental cockroaches: long-lasting insecticidal gel, growth regulators and follow-up for complete eradication, even in shared buildings.

Results guaranteedIntervention within 24–48 hCertibiocide certified
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Key takeaways

The German cockroach (Blattella germanica) and the oriental cockroach (Blatta orientalis) colonise kitchens, bathrooms and service ducts, where they find warmth and moisture. They contaminate food surfaces and release allergens. Professional treatment relies on a baited insecticide gel, followed by a second visit to eliminate the nymphs that hatch afterwards.

Species
Blattella germanica, Blatta orientalis
At-risk areas
kitchens, bathrooms, service ducts
Method
baited insecticide gel + second visit
Response time
24 to 48 h
Price
from €99
Technician
Certibiocide-certified technician

Kitchens & bathrooms

Cockroaches: lasting, guaranteed eradication

Cockroaches thrive in warm, humid areas: kitchens, bathrooms, refuse chutes and service ducts. They contaminate food and surfaces and can trigger allergies. In multi-unit housing, the infestation spreads quickly between dwellings.

Our technicians combine bait insecticide gel, targeted spraying and insect growth regulators (IGR) to break the breeding cycle. The treatment is effective and discreet, with tailored follow-up.

Signs of an infestation

  • Cockroaches spotted at night, fleeing the light
  • Small black droppings resembling pepper or coffee grounds
  • Brown oothecae (egg cases) in nooks and crannies
  • Unpleasant, lingering odour in the infested areas
  • Presence inside household appliances (heat)

Identifying them correctly

The most common cockroaches

Several species hide behind the word "cockroach". Identifying the right one means applying the appropriate treatment. If in doubt, send us a photo.

German cockroach
The most common · indoors

German cockroach

Blattella germanica

  • Description: Small cockroach, 1 to 1.5 cm long, light brown, recognisable by two parallel dark bands on the pronotum (behind the head). It is by far the most widespread species in homes and professional kitchens.
  • Lifestyle: It seeks out heat and humidity: kitchens, behind appliances, under sinks, inside ducts. Its very rapid breeding makes it the hardest species to eradicate.
  • Signs: Droppings in black specks, pale oothecae often carried by the female until they hatch, and nocturnal sightings near sources of heat and water.
Oriental cockroach
The “black beetle” · cellars & basements

Oriental cockroach

Blatta orientalis

  • Description: A stocky cockroach 2 to 3 cm long, very dark brown to almost black, with a glossy body. Slower than the German cockroach, it moves along the ground and flies little, if at all.
  • Lifestyle: It likes cool, damp places: cellars, basements, refuse chutes, pipework and the communal areas of buildings, from where it climbs up into homes.
  • Signs: Strong odour, presence along pipes and basement walls, and movement up through drainage networks.
American cockroach
The largest · warm places

American cockroach

Periplaneta americana

  • Description: The largest of the common cockroaches: 3 to 4 cm, glossy reddish-brown. It has well-developed wings and can make short gliding flights, especially in hot weather.
  • Lifestyle: It favours warm, damp spaces: boiler rooms, refuse chutes, service ducts, communal kitchens, sewers and technical garages.
  • Signs: Distinctive large size, rapid movement, and presence in warm technical areas and utility networks.
Brown-banded cockroach
Brown-banded · dry areas

Brown-banded cockroach

Supella longipalpa

  • Description: Small cockroach, 1 to 1.5 cm long, with two pale bands running across its wings. Unlike other species, it tolerates drier spots and higher locations.
  • Lifestyle: It is found in living areas, up high: behind picture frames, in electronic devices, furniture and false ceilings, away from water sources.
  • Signs: Small droppings scattered up high, oothecae stuck under furniture or behind picture frames, and a dispersed presence throughout the home.

Correct identification

German cockroach vs. oriental cockroach: the comparison

The two species do not live in the same place and are not treated the same way.

CriterionGerman cockroachOriental cockroach
Adult size12 to 15 mm20 to 28 mm
Colourlight brown, two dark bands on the pronotumvery dark brown to black
Smooth surfacesclimbs (walls, glass, stainless steel)does not climb smooth surfaces
Where it settleskitchens, near heat sources (appliances)cool, damp places: cellars, pipes, crawl spaces
Reproductionootheca carried by the female until hatchingootheca left in a hiding place
Tailored treatmentbaited insecticide gel, at multiple pointsgel + treatment of damp areas and access points

Our pricing

Three treatment packages

Depending on the level of infestation, we apply the bait gel, a sprayed chemical treatment, or the complete chemical + gel formula. Every intervention comes with a free, no-obligation quote.

Insecticide gel

Light to moderate infestations · discreet

From99 €

incl. VAT · per treatment


  • Bait gel applied at strategic points
  • "Domino" effect: the cockroaches contaminate one another
  • No spraying: discreet, odourless, no clearing out required
  • Ideal for kitchens, bathrooms and household appliances
Free quote Free advice
Chemical treatment

Established infestations · large areas

From220 €

incl. VAT · per treatment


  • Spraying of an approved residual insecticide
  • Immediate knockdown action on adults and larvae
  • Treatment of skirting boards, ducting and passageways
  • Extended protection lasting several weeks
Free quote Free advice
The most complete
Chemical + gel

Heavy infestations & multi-unit housing

From279 €

incl. VAT · per treatment


  • The best of both methods combined
  • Immediate knockdown from the chemical + lasting action of the bait gel
  • Insect growth regulator (IGR) to block egg-laying
  • Solution recommended for jointly owned buildings and catering
Free quote Free advice

Prices are given as a guide, per treatment. The exact price is confirmed after the inspection, before any treatment. Payment spread over 2 to 12×.

Our method

Cockroaches: our 4-step method

1

Targeted diagnosis

Locating nests: kitchens, bathrooms, ducts and household appliances.

2

Bait gel

Application of long-lasting insecticidal gel at strategic points.

3

IGR & spraying

Growth regulators and surface treatment to halt reproduction.

4

Follow-up check

Checking effectiveness and reapplying if necessary.

Technical sheet

Cockroaches: everything about the insect

Hardy, prolific and active at night, cockroaches hide during the day in the smallest warm, damp nooks. They contaminate food and surfaces and can trigger allergies — and remain very difficult to eradicate without professional intervention, as their eggs, protected inside a capsule, resist many insecticides.

Close-up of a cockroach (German cockroach)
Oval, flat, light-brown body: the German cockroach, the most common species.

Why they are so difficult to eliminate

A single female can be the origin of several tens of thousands of descendants in one year. Cockroaches hide by day, come out at night and take refuge in the tiniest cracks — hence an infestation that settles in fast and goes unnoticed for a long time.

Above all, their eggs are protected inside an ootheca that resists many insecticides: without a treatment targeting both the adults and reproduction, the infestation systematically returns. That is why we combine bait gel, residual insecticide and an insect growth regulator (IGR).

By the numbers

Lightning-fast proliferation

30–40eggs per ootheca
4–8oothecae per female
100 000possible descendants / year
1 monthof survival without food

Profile

The cockroach in detail

General information

  • Families: Blattellidae & Blattidae
  • Common species: German, Oriental, American and brown-banded cockroaches
  • Type: omnivorous, detritus-feeding insect — it eats almost anything
  • Habitat: warm, damp areas: kitchens, bathrooms, ducting, rubbish chutes
  • Distinctive trait: photophobic (shuns light) and nocturnal; lives hidden in colonies

Lifestyle & development

  • Reproduction: via an ootheca (egg capsule) of 30 to 40 eggs
  • Egg-laying: 4 to 8 oothecae per female over its lifetime
  • Cycle: egg → larva (nymph) → adult, with no pupal stage
  • Growth: from egg to adult in 2 to 4 months depending on warmth
  • Life expectancy: from 6 months (German) to nearly 2 years (Oriental)

Physical description

  • Length: from 1 cm (German) to over 4 cm (American)
  • Shape: oval, flattened body that slips into cracks
  • Colour: from striped light brown to almost-black dark brown
  • Antennae: long and thin, in constant motion
  • Wings: present in the adult; flight remains rare

Signs of presence

  • Droppings: small black specks resembling pepper or coffee grounds
  • Oothecae: brown egg cases left abandoned in nooks and crannies
  • Smell: an unpleasant, lingering odour in infested areas
  • Observation: cockroaches at night that dart away suddenly when the light comes on
  • Hiding spots: behind appliances, under sinks, in ducting

How they develop

A short, explosive cycle

The cockroach reproduces through incomplete metamorphosis: there is no pupal stage. Development goes through the ootheca (a capsule of 30 to 40 eggs), the larva (nymph) which moults several times, then the adult — capable of reproducing in turn in less than two months.

This very fast cycle, combined with an ootheca that protects the eggs, explains why a simple surface treatment is not enough: every generation must be reached.

Cockroach breeding cycle: ootheca, eggs, hatching, nymphs, adult
From ootheca to adult: a full cycle in roughly 45 to 90 days.

Prevention: reducing everyday risks

  • Clean up crumbs, grease and food residue immediately
  • Store food in airtight containers
  • Take out the bins every day, lid tightly closed
  • Repair water leaks: cockroaches need moisture
  • Caulk cracks, skirting boards and utility conduit runs
  • Clean behind and under appliances (warm zones)
  • Inspect boxes, bags and groceries entering the home
  • Ventilate and limit humidity in kitchens and bathrooms
Prevention isn't always enough

As soon as the first cockroaches are spotted, only a professional treatment eliminates the colony for good — oothecae included. Don't wait for the infestation to spread to neighbouring homes.

Service areas

Cockroaches throughout Île-de-France and on the French Riviera

Four agencies, mobile technicians and short lead times to serve you as close to home as possible.

By department

Cockroaches near you

We operate across every department of the Île-de-France region and on the French Riviera. Select yours for your dedicated page.

They trust us

Plus de 746 avis, une note de 4,9/5

4,9
sur 746+ avis Google vérifiés

Excellent experience with Track Nuisibles! Very friendly, punctual and responsive staff. The intervention was fast and effective. Clément was very available, answering every one of my questions. Thank you for your professionalism and kindness. Highly recommend!

ML
Myriam LaouariMalakoff

I got in touch about a bed bug problem. My first contact with Alexandre was welcoming, reassuring and very professional. I got an appointment very quickly, and Clément took the time to explain every step of the treatment. I even received follow-up calls as early as the third day. After a second visit, I no longer have any bed bugs. I recommend this company without a second thought!

SC
Suna CihanGoogle review

Very satisfied with the service. The treatment was fast, the technician punctual and very professional. David took the time to clearly explain each step of the treatment and to answer all my questions, which is truly reassuring in such a stressful situation. The work was done thoroughly and effectively. I recommend without hesitation!

SZ
Sabrina ZaïdGoogle review

I highly recommend this company "Track Nuisibles", very professional and very attentive. Great work, a big thank you to Clément, one of the technicians.

AB
Allegrà BàrbàraGoogle review

I was a little sceptical, but the technician explained everything, showed me with his camera and reassured me. After 10 days, nothing left! On top of the effectiveness, genuine responsiveness: barely 5 minutes between my message and the company's callback, and an appointment booked the same day.

CD
Claudette DomingeGoogle review

Thoroughly satisfied with their intervention. The team is attentive, provides clear and precise information, and takes the time to answer every question. The products used are effective: the problem was solved from the very first visit. A big thank you to Clément for his professionalism and responsiveness. I highly recommend them.

MA
Mina AitomarGoogle review
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Payment plans available

Pay in instalments, with complete peace of mind

Because an infestation won't wait, spread your payment over 2 to 12 instalments, to suit your budget.

no fees
no fees
no fees
10× & 12×
low fees

Financing solutions shown for information only, subject to approval. Details provided with the quote.

FAQ

Cockroaches — frequently asked questions

Is cockroach gel effective on its own?
The gel is highly effective, but we often pair it with an IGR to block reproduction and ensure a lasting result.
Do I need to empty my cupboards before the intervention?
A few simple preparations improve effectiveness. We send you a preparation sheet before the appointment.
How many visits are required?
Usually 1 to 2 visits. Large or building-wide infestations may require follow-up.
Do you work in restaurants and food businesses?
Yes, with HACCP-compliant protocols and full traceability of interventions.
Which method should I choose: gel, chemical or both?
The gel is enough for a light infestation; chemical treatment is suited to established infestations; the chemical + gel formula, the most comprehensive, is recommended for heavy infestations and multi-unit housing.

Sources & references

Our public sources

The health and regulatory information on this page is based on official publications.

Resources

Going further

Our practical guides, detailed answers and our identification tool.

An infestation? Don't wait for it to get worse.

Diagnosis, free quote and fast treatment by certified technicians.

Updated on · Content published by Track Nuisibles, a Certibiocide-certified company (no. N068761)

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