Allograpta obliqua
In 3 days ~20% in a week ~40%
Allograpta obliqua is a common North American species of hoverfly, commonly known as oblique streaktail. The larvae are important predators of aphids while adults are pollinators. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Channel Islands National Park | 🇺🇸 United States | |
| 3 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 4 | Point Pelee National Park | 🇨🇦 Canada | |
| 5 | Acadia National Park | 🇺🇸 United States | |
| 6 | Big Bend National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sacramento | 🇺🇸 United States | |
| 2 | San Diego | 🇺🇸 United States | |
| 3 | Los Angeles | 🇺🇸 United States | |
| 4 | San Francisco | 🇺🇸 United States | |
| 5 | Boston | 🇺🇸 United States | |
| 6 | Austin | 🇺🇸 United States | |
| 7 | Dallas | 🇺🇸 United States | |
| 8 | Houston | 🇺🇸 United States | |
| 9 | San Antonio | 🇺🇸 United States | |
| 10 | New York City | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report an Oblique Streaktail sighting in Minneapolis [Saint Paul] on a given day, based on 59 verified sightings from GBIF citizen-science data. It is the 140th 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.
July to September
In those months about 10% of wildlife watchers report an Oblique Streaktail in Minneapolis [Saint Paul] on a given day, against under 5% in October to June, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Oblique Streaktail sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
12th of 25
Of the 25 cities where we can rate Oblique Streaktail sightings, Minneapolis [Saint Paul] ranks 12th at about 10%. The best odds are in Sacramento (United States, about 20%), San Diego (United States, about 10%) and Los Angeles (United States, about 10%).
Same family: Syrphidae
The closest relatives of the Oblique Streaktail that you can see in Minneapolis [Saint Paul] (family Syrphidae, Hover Flies) are Margined Calligrapher (about 20%), Narrow-Headed Marsh Fly (about 20%) and Eastern Calligrapher (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Oblique Streaktail is recorded against all the insects logged in Minneapolis [Saint Paul] (59 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.
