Megachile pruina
In 3 days ~10% in a week ~30%
Megachile pruina, also known as the Hoary Leafcutter Bee, is a species of bee in the family Megachilidae. It was described by Smith in 1853. M. pruina is a species of bee in the subfamily Megachilinae, belonging to the subgenus Pseudocentron Mitchell, 1934. Specimens of M. pruina from Bermuda were initially classified as the subspecies M. pruina bermudensis Mitchell, 1929, but were later reclassified as M. pruina pruina due to their colour resemblance to a specimen from North Carolina. In 1937, a second subspecies, M. pruina nigropinguis Mitchell, was described to account for a dark female variant collected in Texas.
In 2024, a genetic study suggested that populations from Bermuda are genetically distinct from those in the United States. However, U.S. populations showed no significant genetic differences among themselves, suggesting that the formal subspecies classifications may be invalid.
M. pruina shares a monophyletic lineage with other Pseudocentron species and exhibits closer relationships with species collected from the Caribbean and Mexico compared to South American species. M. pruina is a medium-sized (11–13... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Houston | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Hoary Leafcutter Bee sighting in Houston on a given day, based on 58 verified sightings from GBIF citizen-science data. It is the 249th most-seen of the 1057 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
May, July and October
In those months about 10% of wildlife watchers report a Hoary Leafcutter Bee in Houston on a given day, against under 5% in June, August–September and November–April, the lowest months.
Only Houston, in our data
Houston is the only city on Wallace's Line with enough records to rate Hoary Leafcutter Bee sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Hoary Leafcutter Bee is recorded against all the insects logged in Houston (58 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
