Blueberry Stem Gall Wasp

Blueberry Stem Gall Wasp

Hemadas nubilipennis

Daily sighting probability ~10% · With luck
at Great Smoky Mountains National Park

In 3 days ~20% in a week ~30%

18 Verified sightings at Great Smoky Mountains National Park From 2019 to 2026
29 In all 2 parks
August Best month
☀️ Diurnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Great Smoky Mountains National Park 🇺🇸 United States
~10%
2 Acadia National Park 🇺🇸 United States
~10%

Cities Where Found

# City Country Daily sighting probability
1 Boston 🇺🇸 United States
~10%
2 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Blueberry Stem Gall Wasp in Great Smoky Mountains National Park?

With luck

About 10% of wildlife watchers report a Blueberry Stem Gall Wasp sighting in Great Smoky Mountains National Park on a given day, based on 18 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 303rd most-seen of the 822 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Blueberry Stem Gall Wasp in Great Smoky Mountains National Park?

March–April and July–November

In those months about 10% of wildlife watchers report a Blueberry Stem Gall Wasp in Great Smoky Mountains National Park on a given day, against under 5% in May–June and December–February, the lowest months.

What time of day is best to see a Blueberry Stem Gall Wasp?

Between 10 am and 1 pm

Across all the parks we cover, that three-hour window holds the most Blueberry Stem Gall Wasp sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Great Smoky Mountains National Park the best place to see a Blueberry Stem Gall Wasp?

Yes

Of the 2 parks where we can rate Blueberry Stem Gall Wasp sightings, Great Smoky Mountains National Park has the highest daily chance: about 10%. Next come Acadia National Park (United States, about 10%).

Which relatives of the Blueberry Stem Gall Wasp live in Great Smoky Mountains National Park?

Same order: Hymenoptera

The closest relatives of the Blueberry Stem Gall Wasp that you can see in Great Smoky Mountains National Park (order Hymenoptera, Ants, Bees, Wasps, and Sawflies) are Common Eastern Bumble Bee (about 40%), Eastern Carpenter Bee (about 30%) and European Hornet (about 20%), with each one's daily chance of a sighting.

Where does the Blueberry Stem Gall Wasp sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Blueberry Stem Gall Wasp is recorded against all the insects logged in Great Smoky Mountains National Park (18 verified sightings from 2019 to 2026), 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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