Sphinx libocedrus
In 3 days ~10% in a week ~20%
Sphinx libocedrus, the incense cedar sphinx, is a moth of the family Sphingidae. The species was first described by Henry Edwards in 1881. It ranges from the western Texas to southern California and Mexico. The larvae feed on New Mexican forestiera (Forestiera neomexicana), Forestiera angustifolia and Fraxinus gooddingii in the olive family (Oleaceae). Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cumbres de Monterrey National Park | 🇲🇽 Mexico |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report an Incense Cedar Sphinx sighting in Cumbres de Monterrey National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 390th most-seen of the 431 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 an Incense Cedar Sphinx in Cumbres de Monterrey National Park on a given day, against under 5% in October to August, the lowest months. That is one of Cumbres de Monterrey National Park's wettest months, with about 180 mm of rain against 20 mm in December.
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most Incense Cedar Sphinx sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Only Cumbres de Monterrey National Park, in our data
Cumbres de Monterrey National Park is the only park on Wallace's Line with enough records to rate Incense Cedar Sphinx sightings: under 5% of wildlife watchers there report one on a given day.
Same family: Sphingidae
The closest relatives of the Incense Cedar Sphinx that you can see in Cumbres de Monterrey National Park (family Sphingidae, Sphinx Moths) are Walnut Sphinx (about 10%), White-Lined Sphinx (about 10%) and Florestan Sphinx (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Incense Cedar Sphinx is recorded against all the insects logged in Cumbres de Monterrey National Park (5 verified sightings from 2019 to 2026), 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.
