Longleaf Wattle Gall Wasp

Longleaf Wattle Gall Wasp

Trichilogaster acaciaelongifoliae

Daily sighting probability ~10% · With luck
at Table Mountain National Park

In 3 days ~30% in a week ~50%

169 Verified sightings at Table Mountain National Park From 2019 to 2026
280 In all 6 parks
October Best month
☀️ Diurnal When it's spotted

About the Longleaf Wattle Gall Wasp

Trichilogaster acaciaelongifoliae is an Australian bud-galling wasp from the family Melanosomellidae that parasitises, among others, Acacia longifolia (long-leaved wattle, or Sydney golden wattle), which has become an invasive pest in several countries. T. acaciaelongifoliae has been introduced into South Africa in 1985 and into Portugal in 2015 as a successful biological control agent of A. longifolia. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Grampians National Park 🇦🇺 Australia
~30%
2 Freycinet National Park 🇦🇺 Australia
~20%
3 Table Mountain National Park 🇿🇦 South Africa
~10%
4 Garden Route National Park 🇿🇦 South Africa
~10%
5 Royal National Park 🇦🇺 Australia
~10%
6 Great Otway National Park 🇦🇺 Australia
~10%

Cities Where Found

# City Country Daily sighting probability
1 Hobart 🇦🇺 Australia
~10%
2 Porto 🇵🇹 Portugal
~10%
3 Melbourne 🇦🇺 Australia
<5%
4 Sydney 🇦🇺 Australia
<5%
5 Lisbon 🇵🇹 Portugal
<5%
6 Cape Town 🇿🇦 South Africa
<5%

Before you go

What are the chances of seeing a Longleaf Wattle Gall Wasp in Table Mountain National Park?

With luck

About 10% of wildlife watchers report a Longleaf Wattle Gall Wasp sighting in Table Mountain National Park on a given day, based on 169 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 36th most-seen of the 344 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.

When is the best time to see a Longleaf Wattle Gall Wasp in Table Mountain National Park?

Any time of year

In every month with enough records, about 10% of wildlife watchers report a Longleaf Wattle Gall Wasp in Table Mountain National Park on a given day, so our monthly data shows no clear season.

What time of day is best to see a Longleaf Wattle Gall Wasp?

Between 10 am and 1 pm

Across all the parks we cover, that three-hour window holds the most Longleaf Wattle Gall Wasp sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Is Table Mountain National Park the best place to see a Longleaf Wattle Gall Wasp?

3rd of 6

Of the 6 parks where we can rate Longleaf Wattle Gall Wasp sightings, Table Mountain National Park ranks 3rd at about 10%. The best odds are in Grampians National Park (Australia, about 30%) and Freycinet National Park (Australia, about 20%).

Where does the Longleaf Wattle Gall Wasp sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Longleaf Wattle Gall Wasp is recorded against all the insects logged in Table Mountain National Park (169 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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