Schinia rivulosa
In 3 days ~10% in a week ~20%
Schinia rivulosa, the ragweed flower moth, is a moth of the family Noctuidae. The species was first described by Achille Guenée in 1852. It is found in North America from Quebec to Florida, west to Arizona, north to Oregon and North Dakota. There is one generation per year.
The wingspan is 25–31 mm. The moth flies from July to October depending on the location. There is one generation per year. The larvae feed on Ambrosia species. 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 Ragweed Flower Moth sighting in Houston on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 847th 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 20%, if each day is a fresh chance.
September
In that month about 10% of wildlife watchers report a Ragweed Flower Moth in Houston on a given day, against under 5% in October to August, the lowest months.
Only Houston, in our data
Houston is the only city on Wallace's Line with enough records to rate Ragweed Flower Moth sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Ragweed Flower Moth is recorded against all the insects logged in Houston (7 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.
