Deidamia inscriptum
In 3 days ~10% in a week ~20%
Deidamia inscriptum, the lettered sphinx, is a species of moth of the family Sphingidae. It is the only member of the genus Deidamia. The species was first described by Thaddeus William Harris in 1839 and the genus was erected by James Brackenridge Clemens in 1859. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Point Pelee National Park | 🇨🇦 Canada | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States | |
| 2 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 3 | Toronto | 🇨🇦 Canada | |
| 4 | Montreal | 🇨🇦 Canada | |
| 5 | Dallas | 🇺🇸 United States | |
| 6 | New York City | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Lettered Sphinx sighting in Minneapolis [Saint Paul] on a given day, based on 13 verified sightings from GBIF citizen-science data. It is the 367th most-seen of the 672 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.
May
In that month about 10% of wildlife watchers report a Lettered Sphinx in Minneapolis [Saint Paul] on a given day, against under 5% in June to April, the lowest months. That is one of Minneapolis [Saint Paul]'s wettest months, with about 110 mm of rain against 20 mm in January.
Between 5 and 8 am
Across all the parks we cover, that three-hour window holds the most Lettered Sphinx sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is most active around dawn and dusk.
2nd of 6
Of the 6 cities where we can rate Lettered Sphinx sightings, Minneapolis [Saint Paul] ranks 2nd at under 5%. The best odds are in Austin (United States, about 10%).
Same family: Sphingidae
The closest relatives of the Lettered Sphinx that you can see in Minneapolis [Saint Paul] (family Sphingidae, Sphinx Moths) are White-Lined Sphinx (about 10%), Snowberry Clearwing (about 10%) and Hummingbird Clearwing (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Lettered Sphinx is recorded against all the insects logged in Minneapolis [Saint Paul] (13 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.
