Xylocopa tabaniformis
In 3 days ~80% in a week >90%
Xylocopa tabaniformis, the horsefly-like carpenter bee or mountain carpenter bee is a species of carpenter bee in the family Apidae. It is found in Central America, North America, and South America. It is 12–18 millimetres (15⁄32–23⁄32 in) long and black. Males have yellow hair on the thorax.
Xylocopa tabaniformis tabaniformis Smith, 1854 Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Reserva de la Biosfera Mariposa Monarca | 🇲🇽 Mexico | |
| 2 | Zion National Park | 🇺🇸 United States | |
| 3 | Sequoia and Kings Canyon National Parks | 🇺🇸 United States | |
| 4 | Cumbres de Monterrey National Park | 🇲🇽 Mexico | |
| 5 | Yosemite National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sacramento | 🇺🇸 United States | |
| 2 | Salt Lake City | 🇺🇸 United States | |
| 3 | Mexico City | 🇲🇽 México | |
| 4 | Toluca | 🇲🇽 México | |
| 5 | Austin | 🇺🇸 United States | |
| 6 | San Antonio | 🇺🇸 United States | |
| 7 | Houston | 🇺🇸 United States | |
| 8 | San Francisco | 🇺🇸 United States | |
| 9 | San Luis Potosí | 🇲🇽 México | |
| 10 | Dallas | 🇺🇸 United States |
Likely
About 50% of wildlife watchers report a Horse-Fly Carpenter Bee sighting in Sacramento on a given day, based on 1,848 verified sightings from GBIF citizen-science data. It is the most-seen of the 386 insects we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.
June to August
In those months about 60% of wildlife watchers report a Horse-Fly Carpenter Bee in Sacramento on a given day, against about 10% in December and January, the lowest months. Those are among Sacramento's driest months, with almost no rain against 120 mm in December.
Between 5 and 8 pm
Across all the parks we cover, that three-hour window holds the most Horse-Fly Carpenter Bee sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 15 cities where we can rate Horse-Fly Carpenter Bee sightings, Sacramento has the highest daily chance: about 50%. Next come Salt Lake City (United States, about 20%) and Mexico City (México, about 20%).
GBIF citizen-science records
It is estimated from how often the Horse-Fly Carpenter Bee is recorded against all the insects logged in Sacramento (1,848 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.
