Milkweed Leaf-Miner Fly

Milkweed Leaf-Miner Fly

Liriomyza asclepiadis

Daily sighting probability <5% · Rare
at New York City

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

48 Verified sightings at New York City
July Best month

About the Milkweed Leaf-Miner Fly

Liriomyza asclepiadis is a species of fly in the family Agromyzidae. 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 Boston 🇺🇸 United States
<5%
2 New York City 🇺🇸 United States
<5%
3 Minneapolis [Saint Paul] 🇺🇸 United States
<5%
4 Chicago 🇺🇸 United States
<5%
5 Washington 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Milkweed Leaf-Miner Fly in New York City?

Rare

Under 5% of wildlife watchers report a Milkweed Leaf-Miner Fly sighting in New York City on a given day, based on 48 verified sightings from GBIF citizen-science data. It is the 410th most-seen of the 1623 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 Milkweed Leaf-Miner Fly in New York City?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Milkweed Leaf-Miner Fly in New York City on a given day, so our monthly data shows no clear season.

Is New York City the best place to see a Milkweed Leaf-Miner Fly?

Among the best

Of the 5 cities where we can rate Milkweed Leaf-Miner Fly sightings, New York City ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Boston (United States, under 5%).

Where does the Milkweed Leaf-Miner Fly sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Milkweed Leaf-Miner Fly is recorded against all the insects logged in New York City (48 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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