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Bourdon inattendu

Bombus inexspectatus

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Overview

Bourdon inattendu (Bombus inexspectatus) is a robust bumblebee species characterized by its distinctive black and yellow striped pattern with notably bright orange-red patches on its thorax. As a critical pollinator, this species plays an essential role in maintaining plant diversity and ecosystem stability in its native range, with worker bees forming colonies of 50-200 individuals that forage across extensive territories.

Bombus inexspectatus faces severe population declines primarily due to habitat loss from agricultural intensification and urban development across its limited range. Climate change is altering the timing of flowering plants that this species depends on for nectar, creating mismatches between bee emergence and food availability.

Threat summary

Habitat

This bumblebee inhabits montane meadows and alpine grasslands between 1,200-2,800 meters elevation, where it depends on diverse wildflower communities including native clovers, lupines, and alpine asters. The species requires undisturbed areas with suitable underground nesting sites in well-drained soils near forest edges or rocky outcrops.

Frequently asked questions

Why is Bourdon inattendu classified as Endangered?
Bourdon inattendu 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. Bombus inexspectatus faces severe population declines primarily due to habitat loss from agricultural intensification and urban development across its limited range. Climate change is altering the timing of flowering plants that this species depends on for nectar, creating mismatches between bee emergence and food availability.
Where does Bourdon inattendu live?
Bourdon inattendu occurs in China, Italy, Spain, and Switzerland. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Bourdon inattendu?
The main threats to Bourdon inattendu 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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