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Public data

Pests in France, sourced figures

Five topics, values taken exactly as published by official bodies, and a link to every document. None of the figures comes from our own activity.

Values checked on

01 — 05

Bed bugs: the scale measured by ANSES

In 2023, ANSES, the French health and safety agency, put a figure on bed bugs in French homes for the first time, based on an Ipsos survey. The finding is clear: neither income nor how well a home is kept protects against an infestation.

Sources

  1. 1.ANSES — Punaises de lit : des conséquences sur le budget et la qualité de vie des Français (2023)
  2. 2.ANSES — Les punaises de lit en 13 questions
  3. 3.ANSES — Avis et rapport relatif aux punaises de lit : impacts, prévention et lutte (PDF)
Read the pest guide →
11%
of households have had an infestation2017–2022, Ipsos survey for ANSES
€866
average yearly spend for an affected householdANSES estimate, to be read as a rough order
€1.4bn
paid by households to get rid of themtotal over 2017–2022, close to €230m each year
2/3
of affected households overcome them in under two monthsaccording to ANSES

How do bed bugs get into a home?

  • ≈ 40%Return from a hotel or holiday rental
  • ≈ 20%Second-hand furniture or item
  • 16%Home already infested on moving in
Origin of the infestation reported by the households surveyed (Ipsos survey for ANSES).
02 — 05

Yellow-legged hornet: from 2004 to all of mainland France

Accidentally brought into Lot-et-Garonne, Vespa velutina has spread across the whole of mainland France in about twenty years. The National Museum of Natural History (MNHN) has documented its expansion since the first reports.

Sources

  1. 1.MNHN — Frelon asiatique, site de suivi national
  2. 2.INPN — Vespa velutina, fiche espèce
  3. 3.Ministère de la Transition écologique — Plan national de lutte contre le frelon asiatique, dossier de presse (mars 2026, PDF)
  4. 4.ANSES — Vigil'Anses n° 26 : frelon à pattes jaunes et autres hyménoptères (juillet 2025, PDF)
Read the pest guide →
2004
year of the first report in FranceLot-et-Garonne, according to the MNHN
2024
year it was first found in Corsicain August, nest destroyed (ANSES)
All
mainland départements are affectedaccording to the national control plan, French ecology ministry, 2026
≈ 40%
of its diet is made up of honeybeeson average; bees, wasps and flies make up ≈ 85%
03 — 05

Wasps, hornets, bees: ten years of recorded stings

Poison centres, emergency departments, hospital stays, deaths: ANSES and Santé publique France cross-checked ten years of data on hymenoptera stings in mainland France.

Sources

  1. 1.ANSES — Piqûres de guêpes, frelons et abeilles : quel bilan depuis 2014 ? (2025)
  2. 2.ANSES — Avis relatif à l'exposition au frelon à pattes jaunes et aux hyménoptères (PDF)
Read the pest guide →
179,141
emergency department visits after a stingmainland France, 2014–2023
18,213
hospital stays13% of them in intensive or critical care
256
deaths attributed to a sting2014–2023; 2023 figures still provisional
38%
of severe envenomations attributed to hornetsfor 25% of the stings recorded by poison centres

Which insect stung?

  • 37%Wasps
  • 25%Hornets, all species combined
  • 19%Bees
  • 19%Insect not identified
Share of each insect in the envenomations reported to poison centres between 2014 and 2023.
04 — 05

Leptospirosis: cases better identified since notification became mandatory

This bacterial infection is usually caught through contact with water or soil contaminated by the urine of carrier animals, rats included. It has been a notifiable disease since August 2023, which makes cases more visible in the statistics.

Sources

  1. 1.Santé publique France — Leptospirose en France en 2024, données de la déclaration obligatoire
  2. 2.Santé publique France — La leptospirose devient une maladie à déclaration obligatoire (2023)
  3. 3.Institut Pasteur — CNR Leptospirose, rapport d'activité 2024 (PDF)
  4. 4.Institut Pasteur — CNR Leptospirose, rapport d'activité (données 2023, PDF)
Read the pest guide →
886
cases notified in France in 2024Santé publique France; 441 of these cases were in mainland France and Corsica
74%
of notified patients were hospitalised653 cases in 2024
13
deaths recorded in 20241.5% of notified cases
90
cases in Île-de-France in 2024according to the Institut Pasteur reference centre (CNR)

Cases in mainland France according to the CNR

  • 5962022
  • 5702023
  • 8712024
Cases recorded by the National Reference Centre for leptospirosis (Institut Pasteur). Part of the 2024 increase is due to mandatory notification coming into force.
05 — 05

Tiger mosquito: spread tracked département by département

First spotted in Menton in 2004, Aedes albopictus gains ground every year. Because it can transmit dengue, chikungunya and Zika, it is under enhanced surveillance from 1 May to 30 November.

Sources

  1. 1.Santé publique France — Le moustique tigre présent dans 84 % des départements métropolitains (mai 2025)
  2. 2.Ministère de la Santé — Moustiques vecteurs de maladies
  3. 3.Ministère de la Santé — Cartes de présence du moustique tigre en France métropolitaine
81
mainland départements colonisedsituation on 1 January 2025
84%
of départements in mainland France affectedSanté publique France, May 2025
2004
first establishment in mainland Francein Menton (Alpes-Maritimes)

How many départements are colonised?

  • 12004
  • 781 January 2024
  • 811 January 2025
Number of mainland départements where the tiger mosquito is established, at three dates.

How this page is put together

  • Every value is copied from a publication by a French public body: ANSES, Santé publique France, Institut Pasteur (CNR), MNHN or a ministry.
  • When the source speaks of an estimate or provisional data, the note under the figure says so.
  • Document titles are left in their original language, French.

Full list of sources

The official documents consulted for this page (in French).

  1. 01ANSES — Punaises de lit : des conséquences sur le budget et la qualité de vie des Français (2023)
  2. 02ANSES — Les punaises de lit en 13 questions
  3. 03ANSES — Avis et rapport relatif aux punaises de lit : impacts, prévention et lutte (PDF)
  4. 04MNHN — Frelon asiatique, site de suivi national
  5. 05INPN — Vespa velutina, fiche espèce
  6. 06Ministère de la Transition écologique — Plan national de lutte contre le frelon asiatique, dossier de presse (mars 2026, PDF)
  7. 07ANSES — Vigil'Anses n° 26 : frelon à pattes jaunes et autres hyménoptères (juillet 2025, PDF)
  8. 08ANSES — Piqûres de guêpes, frelons et abeilles : quel bilan depuis 2014 ? (2025)
  9. 09ANSES — Avis relatif à l'exposition au frelon à pattes jaunes et aux hyménoptères (PDF)
  10. 10Santé publique France — Leptospirose en France en 2024, données de la déclaration obligatoire
  11. 11Santé publique France — La leptospirose devient une maladie à déclaration obligatoire (2023)
  12. 12Institut Pasteur — CNR Leptospirose, rapport d'activité 2024 (PDF)
  13. 13Institut Pasteur — CNR Leptospirose, rapport d'activité (données 2023, PDF)
  14. 14Santé publique France — Le moustique tigre présent dans 84 % des départements métropolitains (mai 2025)
  15. 15Ministère de la Santé — Moustiques vecteurs de maladies
  16. 16Ministère de la Santé — Cartes de présence du moustique tigre en France métropolitaine

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