Vanduzea arquata
In 3 days ~10% in a week ~20%
Vanduzea arquata, the black locust treehopper, is a species of treehopper in the family Membracidae. It is found in North America. Females lay their eggs in the buds of black locust trees. These membracids are attended to by ants, such as Formica subsericea. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Washington | 🇺🇸 United States | |
| 2 | Philadelphia | 🇺🇸 United States | |
| 3 | Boston | 🇺🇸 United States | |
| 4 | New York City | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Black Locust Treehopper sighting in Washington on a given day, based on 73 verified sightings from GBIF citizen-science data. It is the 386th most-seen of the 1807 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.
June
In that month about 10% of wildlife watchers report a Black Locust Treehopper in Washington on a given day, against under 5% in July to May, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Black Locust Treehopper sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 4 cities where we can rate Black Locust Treehopper sightings, Washington has the highest daily chance: under 5%. Next come Philadelphia (United States, under 5%) and Boston (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Black Locust Treehopper is recorded against all the insects logged in Washington (73 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.
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