Thin-Lined Owlet

Thin-Lined Owlet

Isogona tenuis

Daily sighting probability <5% · Rare
at Houston

In 3 days ~10%

6 Verified sightings at Houston
August 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 Houston?

Rare

Under 5% of wildlife watchers report a Thin-Lined Owlet sighting in Houston on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 905th most-seen of the 1057 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.

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

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Thin-Lined Owlet in Houston on a given day, so our monthly data shows no clear season.

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

4th of 4

Of the 4 cities where we can rate Thin-Lined Owlet sightings, Houston ranks 4th at under 5%. The best odds are in Austin (United States, about 10%), Dallas (United States, under 5%) and San Antonio (United States, under 5%).

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

Same family: Erebidae

The closest relatives of the Thin-Lined Owlet that you can see in Houston (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Salt Marsh Moth (about 20%), Fall Webworm Moth (about 20%) and Green Cloverworm Moth (about 10%), 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 Houston (6 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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