bosglimmer
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bosglimmer

Orthonevra brevicornis

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Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Orthonevra_brevicornis

Overview

The bosglimmer (Orthonevra brevicornis) is a distinctive hoverfly species characterized by its shortened antennae and metallic green-bronze thorax with pale yellow abdominal markings. This specialized pollinator plays a crucial role in maintaining plant diversity in its native ecosystems, particularly favoring umbelliferous flowers and serving as an important pollinator for several rare wildflower species.

Orthonevra brevicornis faces significant population declines primarily due to habitat loss and degradation of its specialized wetland environments. Climate change and pollution are exacerbating these pressures on remaining populations of this hoverfly species.

Threat summary

Habitat

Bosglimmers inhabit species-rich grasslands, traditional hay meadows, and woodland edges where dead wood and leaf litter provide essential breeding substrates. They are particularly associated with areas containing abundant umbelliferous plants such as hogweed and wild carrot, often found near streams or in damp meadow margins.

Frequently asked questions

Why is bosglimmer classified as Endangered?
bosglimmer is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Orthonevra brevicornis faces significant population declines primarily due to habitat loss and degradation of its specialized wetland environments. Climate change and pollution are exacerbating these pressures on remaining populations of this hoverfly species.
Where does bosglimmer live?
bosglimmer occurs in Austria, Belgium, Denmark, France, Georgia, and Germany (plus 8 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to bosglimmer?
The main threats to bosglimmer are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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