What are the chances of seeing a Sphenarium histrio in Cañón del Sumidero National Park?
Possible
About 30% of wildlife watchers report a Sphenarium histrio sighting in Cañón del Sumidero National Park on a given day, based on 58 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the most-seen of the 46 insects we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.


