Thin-Lined Owlet

Thin-Lined Owlet

Isogona tenuis

Daily sighting probability ~10% · With luck
at Austin

In 3 days ~20% in a week ~50%

174 Verified sightings at Austin
July Best month

About the Thin-Lined Owlet

Isogona tenuis, the thin-lined owlet, is a moth of the family Erebidae. The species was first described by Augustus Radcliffe Grote in 1872. It is found from Ontario, Wisconsin, Ohio and New Jersey, south to Florida and Texas.

The wingspan is 28–30 millimetres (1.1–1.2 in). Adults are on wing from May to August in the north and from April to October in the south. The larvae feed on Celtis species. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Austin 🇺🇸 United States
~10%
2 Dallas 🇺🇸 United States
<5%
3 San Antonio 🇺🇸 United States
<5%
4 Houston 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Thin-Lined Owlet in Austin?

With luck

About 10% of wildlife watchers report a Thin-Lined Owlet sighting in Austin on a given day, based on 174 verified sightings from GBIF citizen-science data. It is the 200th most-seen of the 1624 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.

When is the best time to see a Thin-Lined Owlet in Austin?

March to October

In those months about 10% of wildlife watchers report a Thin-Lined Owlet in Austin on a given day, against under 5% in November to February, the lowest months.

Is Austin the best place to see a Thin-Lined Owlet?

Yes

Of the 4 cities where we can rate Thin-Lined Owlet sightings, Austin has the highest daily chance: about 10%. Next come Dallas (United States, under 5%) and San Antonio (United States, under 5%).

Which relatives of the Thin-Lined Owlet live in Austin?

Same family: Erebidae

The closest relatives of the Thin-Lined Owlet that you can see in Austin (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Green Cloverworm Moth (about 30%), Salt Marsh Moth (about 20%) and Indomitable Graphic Moth (about 20%), with each one's daily chance of a sighting.

Where does the Thin-Lined Owlet sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Thin-Lined Owlet is recorded against all the insects logged in Austin (174 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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