ingesnoerde waterzweefvlieg
Anasimyia contracta
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Anasimyia_contracta
Overview
Anasimyia contracta is a distinctive hoverfly species with a compact, robust body and characteristic yellow and black markings that distinguish it from related water-associated hoverflies. This aquatic-breeding syrphid fly plays an important ecological role as both a pollinator of wetland plants in its adult stage and as a filter-feeder in aquatic ecosystems during its larval development. The larvae are semi-aquatic, living in organically rich water where they help process decaying plant matter.
Anasimyia contracta is declining primarily due to habitat loss and degradation of wetland ecosystems. The species is particularly vulnerable to water pollution, drainage of wetlands, and changes in water quality that affect the aquatic environments where its larvae develop.
Habitat
This species inhabits shallow, nutrient-rich wetlands including pond margins, ditches, and slow-flowing streams with abundant organic matter and emergent vegetation. The larvae specifically require clean to moderately polluted standing or slow-moving water bodies with decaying plant material.
Other threatened species in Syrphidae
Threatened in Austria
Frequently asked questions
Why is ingesnoerde waterzweefvlieg classified as Endangered?
Where does ingesnoerde waterzweefvlieg live?
What are the main threats to ingesnoerde waterzweefvlieg?
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