Ptecticus trivittatus
In 3 days ~20% in a week ~40%
Ptecticus trivittatus is a species of soldier fly in the family Stratiomyidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Detroit | 🇺🇸 United States | |
| 2 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 3 | Boston | 🇺🇸 United States | |
| 4 | Montreal | 🇨🇦 Canada | |
| 5 | Philadelphia | 🇺🇸 United States | |
| 6 | Toronto | 🇨🇦 Canada | |
| 7 | Baltimore | 🇺🇸 United States | |
| 8 | Washington | 🇺🇸 United States | |
| 9 | New York City | 🇺🇸 United States | |
| 10 | Chicago | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Compost Fly sighting in Minneapolis [Saint Paul] on a given day, based on 76 verified sightings from GBIF citizen-science data. It is the 116th most-seen of the 672 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
June–August and December
In those months about 10% of wildlife watchers report a Compost Fly in Minneapolis [Saint Paul] on a given day, against under 5% in January–May and September–November, the lowest months.
Between 1 and 4 pm
Across all the parks we cover, that three-hour window holds the most Compost Fly sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 11 cities where we can rate Compost Fly sightings, Minneapolis [Saint Paul] ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Detroit (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Compost Fly is recorded against all the insects logged in Minneapolis [Saint Paul] (76 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.
