Mystacides sepulchralis
In 3 days ~10% in a week ~20%
Mystacides sepulchralis, the black dancer, is a species of long-horned caddisfly in the family Leptoceridae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Boston | 🇺🇸 United States | |
| 2 | Montreal | 🇨🇦 Canada | |
| 3 | Sacramento | 🇺🇸 United States | |
| 4 | Philadelphia | 🇺🇸 United States | |
| 5 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 6 | Washington | 🇺🇸 United States | |
| 7 | New York City | 🇺🇸 United States |
No species of the same family or order lives in New York City, so these are its closest relatives here: other insects.
Rare
Under 5% of wildlife watchers report a Black Dancer Caddisfly sighting in New York City on a given day, based on 19 verified sightings from GBIF citizen-science data. It is the 682nd most-seen of the 1623 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.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Black Dancer Caddisfly in New York City on a given day, so our monthly data shows no clear season.
7th of 7
Of the 7 cities where we can rate Black Dancer Caddisfly sightings, New York City ranks 7th at under 5%. The best odds are in Boston (United States, about 10%), Montreal (Canada, under 5%) and Sacramento (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Black Dancer Caddisfly is recorded against all the insects logged in New York City (19 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.
