Eumorpha achemon
In 3 days ~20% in a week ~30%
Eumorpha achemon, the Achemon sphinx, is a moth of the family Sphingidae. The species was first described by Dru Drury in 1773. It is native to North America, where it is known from most of the United States, southern Canada, and northern Mexico. It is rare or absent in the Pacific Northwest, Great Basin, and Southeastern United States except Florida.
The wingspan is 87–97 mm. It can be distinguished from all other Eumorpha species by the hindwing upperside being almost uniformly pale pink from the base to the diffuse, dark brown submarginal band. Larvae are of three forms: light green, reddish orange, and tan to brown.
Adults are on wing from June to August in one generation in the northern part of the range. There are two generations with adults on wing from May to August in the south. Adults feed on the nectar of various flowers, including Lonicera japonica, Petunia × atkinsiana, Philadelphus coronarius, and Phlox species. It is one of five main pollinators of the rare orchid Platanthera praeclara.
They are known to feed on Parthenocissus quinquefolia and Ampelopsis species. They are often found on wild and cultivated Vitaceae,... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Denver | 🇺🇸 United States | |
| 2 | Sacramento | 🇺🇸 United States | |
| 3 | Phoenix | 🇺🇸 United States | |
| 4 | Detroit | 🇺🇸 United States | |
| 5 | Mesa | 🇺🇸 United States | |
| 6 | Dallas | 🇺🇸 United States | |
| 7 | Los Angeles | 🇺🇸 United States | |
| 8 | San Diego | 🇺🇸 United States | |
| 9 | Washington | 🇺🇸 United States | |
| 10 | Chicago | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report an Achemon Sphinx sighting in Sacramento on a given day, based on 31 verified sightings from GBIF citizen-science data. It is the 137th most-seen of the 386 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
June to September
In those months about 10% of wildlife watchers report an Achemon Sphinx in Sacramento on a given day, against under 5% in October to May, the lowest months. Those are among Sacramento's driest months, with almost no rain against 120 mm in December.
Among the best
Of the 11 cities where we can rate Achemon Sphinx sightings, Sacramento ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Denver (United States, about 10%).
Same family: Sphingidae
The closest relatives of the Achemon Sphinx that you can see in Sacramento (family Sphingidae, Sphinx Moths) are White-Lined Sphinx (about 10%) and Carolina Sphinx (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Achemon Sphinx is recorded against all the insects logged in Sacramento (31 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.
