Brown-belted Bumble Bee

Bombus griseocollis

Bombus griseocollis is a species of bumblebee known commonly as the brown-belted bumblebee. It is native to much of the United States except for the Southwest, and to the southernmost regions of several of the provinces of Canada. Source

Where it is now

In the last 8 weeks this insect was recorded 13 times across 3 areas (each area is a 5 degree square).

See the Brown-belted Bumble Bee on the live map

Arrival dates

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.

Download every area as CSV

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