Common Furrow Bee

Lasioglossum calceatum

Common Furrow Bee (Lasioglossum calceatum)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

Lasioglossum calceatum is a Palearctic species of sweat bee. The species is socially polymorphic, with northern populations being solitary while southern populations exhibit eusocial behavior. Source

Where is the Common Furrow Bee now?

In the last 8 weeks it was recorded 8 times in one area (a 5 degree square).

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When does the Common Furrow Bee arrive?

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

RegionFirst arrivalLast arrivalTypical peakAreas
Europe17 August 202617 August 202621 September 20261

Download every area as CSV · Review these arrival dates (researchers, ORCID sign-in)

Arriving at the same time in Europe

Every arrival in Europe, month by month

Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured · How it compares with human observers