Gray-Marked Tortricid

Gray-Marked Tortricid

Decodes basiplagana

Daily sighting probability <5% · Rare
at Austin

In 3 days ~10% in a week ~20%

30 Verified sightings at Austin
October Best month

About the Gray-Marked Tortricid

Decodes basiplagana is a moth of the family Tortricidae. It is widespread in North America, including Illinois, Massachusetts, Minnesota, New Jersey, Oklahoma, Ontario, Tennessee and Wisconsin The length of the forewings is 8.1–9 mm.

The larvae feed on Quercus lobata. 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
<5%
2 Chicago 🇺🇸 United States
<5%
3 Toronto 🇨🇦 Canada
<5%

Before you go

What are the chances of seeing a Gray-Marked Tortricid in Austin?

Rare

Under 5% of wildlife watchers report a Gray-Marked Tortricid sighting in Austin on a given day, based on 30 verified sightings from GBIF citizen-science data. It is the 684th most-seen of the 1624 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.

When is the best time to see a Gray-Marked Tortricid in Austin?

October and November

In those months about 10% of wildlife watchers report a Gray-Marked Tortricid in Austin on a given day, against under 5% in December to September, the lowest months.

Is Austin the best place to see a Gray-Marked Tortricid?

Yes

Of the 3 cities where we can rate Gray-Marked Tortricid sightings, Austin has the highest daily chance: under 5%. Next come Chicago (United States, under 5%) and Toronto (Canada, under 5%).

Which relatives of the Gray-Marked Tortricid live in Austin?

Same family: Tortricidae

The closest relatives of the Gray-Marked Tortricid that you can see in Austin (family Tortricidae, Tortricid Leafroller Moths) are Garden Tortrix (about 10%), Filbertworm Moth (about 10%) and Omnivorous Platynota Moth (about 10%), with each one's daily chance of a sighting.

Where does the Gray-Marked Tortricid sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Gray-Marked Tortricid is recorded against all the insects logged in Austin (30 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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