Question 1

What are the chances of seeing an Argyria nivalis in Philadelphia?

Accepted Answer

Rare. Under 5% of wildlife watchers report an Argyria nivalis sighting in Philadelphia on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 402nd most-seen of the 632 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.

Question 2

When is the best time to see an Argyria nivalis in Philadelphia?

Accepted Answer

August. In that month about 10% of wildlife watchers report an Argyria nivalis in Philadelphia on a given day, against under 5% in September to July, the lowest months.

Question 3

What time of day is best to see an Argyria nivalis?

Accepted Answer

Between 9 pm and midnight. Across all the parks we cover, that three-hour window holds the most Argyria nivalis sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.

Question 4

Is Philadelphia the best place to see an Argyria nivalis?

Accepted Answer

8th of 11. Of the 11 cities where we can rate Argyria nivalis sightings, Philadelphia ranks 8th at under 5%. The best odds are in Austin (United States, about 10%), Baltimore (United States, about 10%) and Dallas (United States, about 10%).

Question 5

Which relatives of the Argyria nivalis live in Philadelphia?

Accepted Answer

Same family: Crambidae. The closest relatives of the Argyria nivalis that you can see in Philadelphia (family Crambidae, Crambid Snout Moths) are Celery Leaftier Moth (about 10%), Lucerne Moth (about 10%) and Elegant Grass-Veneer (about 10%), with each one's daily chance of a sighting.

Question 6

Where does the Argyria nivalis sighting chance come from?

Accepted Answer

GBIF citizen-science records. It is estimated from how often the Argyria nivalis is recorded against all the insects logged in Philadelphia (9 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.

#	Park	Country	Daily sighting probability
1	Shenandoah National Park	🇺🇸 United States	~10%
2	Acadia National Park	🇺🇸 United States	~10%
3	Everglades National Park	🇺🇸 United States	<5%
4	Great Smoky Mountains National Park	🇺🇸 United States	<5%

#	City	Country	Daily sighting probability
1	Austin	🇺🇸 United States	~10%
2	Baltimore	🇺🇸 United States	~10%
3	Dallas	🇺🇸 United States	~10%
4	Washington	🇺🇸 United States	<5%
5	Houston	🇺🇸 United States	<5%
6	Chicago	🇺🇸 United States	<5%
7	Toronto	🇨🇦 Canada	<5%
8	Philadelphia	🇺🇸 United States	<5%
9	Boston	🇺🇸 United States	<5%
10	Montreal	🇨🇦 Canada	<5%

Argyria nivalis

Recent sightings of Argyria nivalis in Philadelphia

Global Distribution

Parks Where Found

Cities Where Found

Closest Relatives at Philadelphia

Celery Leaftier Moth

Lucerne Moth

Elegant Grass-Veneer

Orange Mint Moth

Bluegrass Webworm Moth

Garden Webworm Moth

Yellow-Spotted Webworm Moth

Raspberry Pyrausta Moth

Inornate Pyrausta Moth

Hawaiian Beet Webworm Moth

Cross-Striped Cabbageworm Moth

Variable Reddish Pyrausta Moth

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