Halysidota tessellaris
In 3 days ~20% in a week ~40%
Halysidota tessellaris, also called the pale tiger moth, banded tussock moth, and tessellated halisidota, is in the family Erebidae and the tribe Arctiini, the tiger moths. The species was first described by James Edward Smith in 1797. Like many related species, adult moths have chemical defenses acquired from its host plants, in this case, alkaloids. Larval behaviors suggest that they are chemically protected; they have not been analyzed for alkaloid content.
This moth is found in North America from southern Canada south through Texas and central Florida. One generation per year occurs in the north, and two or more occur in the south. Eggs are laid in masses on the undersides of leaves.
Caterpillars are covered with long setae, in tufts. They vary from yellowish and orange through dark gray. Extra long hair-pencils of white, black, and/or orange occur at both the front and rear of a caterpillar. Larval head capsules are bright orange. In the north, mature caterpillars are found from July to frost. Caterpillars frequently rest on the upper surface of leaves, and though not gregarious, they are very conspicuous. They grow to a length... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Congaree National Park | 🇺🇸 United States | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 3 | Shenandoah National Park | 🇺🇸 United States | |
| 4 | Acadia National Park | 🇺🇸 United States | |
| 5 | Cape Breton Highlands National Park | 🇨🇦 Canada | |
| 6 | Point Pelee National Park | 🇨🇦 Canada |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Montreal | 🇨🇦 Canada | |
| 2 | Washington | 🇺🇸 United States | |
| 3 | Baltimore | 🇺🇸 United States | |
| 4 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 5 | Toronto | 🇨🇦 Canada | |
| 6 | Boston | 🇺🇸 United States | |
| 7 | Philadelphia | 🇺🇸 United States | |
| 8 | Chicago | 🇺🇸 United States | |
| 9 | New York City | 🇺🇸 United States | |
| 10 | Houston | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Banded Tussock Moth sighting in Washington on a given day, based on 317 verified sightings from GBIF citizen-science data. It is the 103rd most-seen of the 1807 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
August
In that month about 20% of wildlife watchers report a Banded Tussock Moth in Washington on a given day, against under 5% in October to June, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Banded Tussock Moth 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 10 cities where we can rate Banded Tussock Moth sightings, Washington ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Montreal (Canada, about 10%).
GBIF citizen-science records
It is estimated from how often the Banded Tussock Moth is recorded against all the insects logged in Washington (317 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.
