Psephenus herricki
In 3 days ~10%
Psephenus herricki is a species of water penny beetle in the family Psephenidae. It is found in eastern North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Herrick's Water Penny Beetle sighting in Toronto on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 1212th most-seen of the 1689 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Herrick's Water Penny Beetle in Toronto on a given day, so our monthly data shows no clear season.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Herrick's Water Penny Beetle sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 2 cities where we can rate Herrick's Water Penny Beetle sightings, Toronto ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Baltimore (United States, under 5%).
Same order: Coleoptera
The closest relatives of the Herrick's Water Penny Beetle that you can see in Toronto (order Coleoptera, Beetles) are Asian Lady Beetle (about 30%), Japanese Beetle (about 20%) and Red Milkweed Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Herrick's Water Penny Beetle is recorded against all the insects logged in Toronto (10 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.
