Ash Petiole Gall Midge

Ash Petiole Gall Midge

Dasineura tumidosae

Daily sighting probability <5% · Rare
at Washington

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

30 Verified sightings at Washington
May Best month

About the Ash Petiole Gall Midge

Dasineura tumidosae is a species of gall midge, insects in the family Cecidomyiidae. 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 Washington 🇺🇸 United States
<5%
2 Boston 🇺🇸 United States
<5%
3 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing an Ash Petiole Gall Midge in Washington?

Rare

Under 5% of wildlife watchers report an Ash Petiole Gall Midge sighting in Washington on a given day, based on 30 verified sightings from GBIF citizen-science data. It is the 689th most-seen of the 1807 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 an Ash Petiole Gall Midge in Washington?

May

In that month about 10% of wildlife watchers report an Ash Petiole Gall Midge in Washington on a given day, against under 5% in June to April, the lowest months.

Is Washington the best place to see an Ash Petiole Gall Midge?

Yes

Of the 3 cities where we can rate Ash Petiole Gall Midge sightings, Washington has the highest daily chance: under 5%. Next come Boston (United States, under 5%) and New York City (United States, under 5%).

Where does the Ash Petiole Gall Midge sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Ash Petiole Gall Midge is recorded against all the insects logged in Washington (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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