Stinking Longicorn

Stinking Longicorn

Stenoderus suturalis

Endemic
Daily sighting probability ~10% · With luck
at Great Otway National Park

In 3 days ~20% in a week ~40%

11 Verified sightings at Great Otway National Park From 2019 to 2026
29 In all 3 parks
December Best month
☀️ Diurnal When it's spotted

About the Stinking Longicorn

Stenoderus suturalis, commonly known as the stinking longicorn, is a species of longhorn beetle found in southern parts of Australia, including Western Australia. Growing to about 20 mm, the legs, head and thorax are glossy black. The elytra is a coloured orange.

When threatened, the stinking longicorn will release a stinking fluid from glands near the eyes, located laterally near the mandibular articulations. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Kosciuszko National Park 🇦🇺 Australia
~10%
2 Wilsons Promontory National Park 🇦🇺 Australia
~10%
3 Great Otway National Park 🇦🇺 Australia
~10%

Cities Where Found

# City Country Daily sighting probability
1 Perth 🇦🇺 Australia
~10%
2 Sydney 🇦🇺 Australia
<5%
3 Melbourne 🇦🇺 Australia
<5%

Before you go

What are the chances of seeing a Stinking Longicorn in Great Otway National Park?

With luck

About 10% of wildlife watchers report a Stinking Longicorn sighting in Great Otway National Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 203rd most-seen of the 418 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.

When is the best time to see a Stinking Longicorn in Great Otway National Park?

November to January

In those months about 10% of wildlife watchers report a Stinking Longicorn in Great Otway National Park on a given day, against under 5% in February to October, the lowest months.

What time of day is best to see a Stinking Longicorn?

Between 10 am and 1 pm

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

Is Great Otway National Park the best place to see a Stinking Longicorn?

Among the best

Of the 3 parks where we can rate Stinking Longicorn sightings, Great Otway National Park ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Kosciuszko National Park (Australia, about 10%) and Wilsons Promontory National Park (Australia, about 10%).

Which relatives of the Stinking Longicorn live in Great Otway National Park?

Same family: Cerambycidae

The closest relatives of the Stinking Longicorn that you can see in Great Otway National Park (family Cerambycidae, Longhorn Beetles) are Enchoptera apicalis (about 10%) and Coptocercus abberrans (about 10%), with each one's daily chance of a sighting.

Where does the Stinking Longicorn sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Stinking Longicorn is recorded against all the insects logged in Great Otway National Park (11 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.

← Back to Great Otway National Park