# Tiger mosquito spread in Central Europe

> Live situation record from CLSTR: https://clstr.news/situations/tiger-mosquito-spread-in-central-europe
> Updated: 2026-08-06T08:05:06.000Z. Sources: 10. Developments: 3.

In late July 2026 German researchers documented a sharp rise in Aedes albopictus numbers across southern Germany and urged removal of breeding sites and use of insecticide‑free traps, warning that the mosquito could carry chikungunya northward. Within days Danish scientists reported the species moving toward Denmark, noting the concurrent appearance of a non‑vector “cemetery mosquito” and stressing the need to eliminate standing water to limit dengue‑risk tiger mosquitoes.

On 31 July, entomologist René Bødker warned that the cemetery mosquito could arrive in Denmark as early as the next day, possibly via a camping caravan, while the tiger mosquito continued its northward advance, reinforcing public‑health concerns.

A week later, officials in Lower Saxony confirmed the first breeding population of the Asian tiger mosquito in Hannover‑Döhren, the northernmost established site in Germany. Although no pathogens were detected, authorities installed traps, conducted door‑to‑door inspections and urged residents to regularly empty containers that hold water, citing transport of goods or travelers as the likely introduction route.

## Claims

- A breeding population of Asian tiger mosquito was found in Hannover‑Döhren, Lower Saxony. (corroborated by 3 sources)
- The discovery resulted from a citizen‑submitted photo that prompted a health‑office inspection. (corroborated by 3 sources)
- Health officials say there is no increased health risk at present. (corroborated by 3 sources)
- Mosquito traps have been installed around the discovery site and door‑to‑door inspections started. (corroborated by 3 sources)
- Residents are advised to eliminate standing water in containers and clean bird feeders weekly. (corroborated by 3 sources)
- The likely introduction routes are via goods transport or travelers, though the exact source is unknown. (corroborated by 3 sources)
- The mosquitoes found are not currently infected with disease pathogens. (corroborated by 2 sources)
- Prior to this, only isolated Asian tiger mosquito specimens had been recorded in other German states such as Hesse, Thuringia and Berlin. (single source)

## Timeline

### 2026-08-06: Asian tiger mosquito population found in Hannover, Lower Saxony

A breeding population of Asian tiger mosquito was confirmed in Hannover‑Döhren, Lower Saxony. Health officials report no current disease risk but have set traps and advise residents to eliminate standing water.

7 sources. https://clstr.news/cluster/asian-tiger-mosquito-population-found-in-hannover-lower-saxony

### 2026-07-31: Denmark braces for arrival of new mosquito species

Denmark may soon host two new mosquito species—the daytime‑active cemetery mosquito from Germany and the disease‑carrying tiger mosquito—raising public‑health concerns, says researcher René Bødker.

3 sources. https://clstr.news/cluster/denmark-braces-for-arrival-of-new-mosquito-species

### 2026-07-22: Germany faces surge in tiger mosquito population

Scientists warn that rising tiger mosquito numbers in southern Germany pose a disease risk, urging breeding‑site removal and use of specialized, insect‑free traps, while new guidelines address arbovirus testing

3 sources. https://clstr.news/cluster/germany-faces-surge-in-tiger-mosquito-population

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Cite as: Tiger mosquito spread in Central Europe. CLSTR, https://clstr.news/situations/tiger-mosquito-spread-in-central-europe
