Disease carriers – Asian tiger mosquito on the rise

The inatura research project to capture invasive mosquito species is entering its third season. The Asian tiger mosquito was first sighted in Vorarlberg last year. This year, the search for this small, black and white ringed mosquito species should be stepped up. It is often found near human settlements, especially in large parking lots and other places with increased potential for introduction.

fell into a trap
Due to the current climate development, the Asian tiger mosquito can also settle here. She is considered a carrier of dengue, chikungunya, West Nile fever, Zika and other viruses. Because the species is also diurnal, people find it particularly annoying. As part of the project for the “Registration of Invasive Mosquito Species in Vorarlberg” mosquito egg collection traps (Ovitraps) have been set up at selected locations. In July 2021, more than 20 eggs of Asian tiger mosquitoes were observed in one of these traps.

Photograph and report animals
Tiger and forest mosquitoes are container breeders and prefer to lay their eggs in temporarily water-filled tree hollows and similar small bodies of water. Flower dishes, discarded cans and bottles are also ideal breeding grounds for these insects. Keeping such vessels dry prevents the insects from spreading. In addition, the inatura experts are calling on people to report sightings of the tiger mosquito, preferably with a high-resolution photo, in order to really identify the species (email to fachberatung@inatura.at).