Girdler Moth

Girdler Moth

Dargida procinctus

Daily sighting probability <5% · Rare
at Vancouver

In 3 days ~10% in a week ~30%

51 Verified sightings at Vancouver
7 In 1 park From 2019 to 2026
July Best month
☀️ Diurnal When it's spotted

About the Girdler Moth

Dargida procinctus, the olive green cutworm or girdler moth, is a species of moth of the family Noctuidae. It is found from Wisconsin and Manitoba to British Columbia, south to California and Arizona. The wingspan is about 40 mm. The moth flies from August to September in the north, but much earlier in the southern parts of its range.

The larvae feed on various grasses, primarily Phalaris arundinacea. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Great Bear Rainforest 🇨🇦 Canada
<5%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Sacramento 🇺🇸 United States
~10%
2 Portland 🇺🇸 United States
<5%
3 Vancouver 🇨🇦 Canada
<5%
4 Seattle 🇺🇸 United States
<5%
5 San Francisco 🇺🇸 United States
<5%
6 Calgary 🇨🇦 Canada
<5%
7 San Diego 🇺🇸 United States
<5%
8 Los Angeles 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Girdler Moth in Vancouver?

Rare

Under 5% of wildlife watchers report a Girdler Moth sighting in Vancouver on a given day, based on 51 verified sightings from GBIF citizen-science data. It is the 114th most-seen of the 482 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Girdler Moth in Vancouver?

July to October

In those months about 10% of wildlife watchers report a Girdler Moth in Vancouver on a given day, against under 5% in November to June, the lowest months.

What time of day is best to see a Girdler Moth?

Between 5 and 8 am

Across all the parks we cover, that three-hour window holds the most Girdler Moth sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Vancouver the best place to see a Girdler Moth?

3rd of 8

Of the 8 cities where we can rate Girdler Moth sightings, Vancouver ranks 3rd at under 5%. The best odds are in Sacramento (United States, about 10%) and Portland (United States, under 5%).

Which relatives of the Girdler Moth live in Vancouver?

Same family: Noctuidae

The closest relatives of the Girdler Moth that you can see in Vancouver (family Noctuidae, Cutworm Moths and Allies) are Large Yellow Underwing (about 10%) and Alfalfa Looper (about 10%), with each one's daily chance of a sighting.

Where does the Girdler Moth sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Girdler Moth is recorded against all the insects logged in Vancouver (51 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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