Cotton Web Spinner

Cotton Web Spinner

Achyra affinitalis

Daily sighting probability ~10% · With luck
at Brisbane

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

70 Verified sightings at Brisbane
41 In all 3 parks From 2019 to 2026
September Best month
☀️🌙 Day & Night When it's spotted

About the Cotton Web Spinner

Achyra affinitalis, the cotton web spinner, is a moth of the family Crambidae. It was first described by Julius Lederer in 1863. This species is found in Australia and New Zealand. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Hattah-Kulkyne National Park 🇦🇺 Australia
~10%
2 Blue Mountains National Park 🇦🇺 Australia
~10%
3 Great Otway National Park 🇦🇺 Australia
~10%

Cities Where Found

# City Country Daily sighting probability
1 Perth 🇦🇺 Australia
~10%
2 Brisbane 🇦🇺 Australia
~10%
3 Melbourne 🇦🇺 Australia
~10%
4 Auckland 🇳🇿 New Zealand
<5%
5 Sydney 🇦🇺 Australia
<5%

Before you go

What are the chances of seeing a Cotton Web Spinner in Brisbane?

With luck

About 10% of wildlife watchers report a Cotton Web Spinner sighting in Brisbane on a given day, based on 70 verified sightings from GBIF citizen-science data. It is the 253rd most-seen of the 1083 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 Cotton Web Spinner in Brisbane?

March–April, June and August–October

In those months about 10% of wildlife watchers report a Cotton Web Spinner in Brisbane on a given day, against under 5% in May, July and November–February, the lowest months.

What time of day is best to see a Cotton Web Spinner?

Between 7 and 10 am

Across all the parks we cover, that three-hour window holds the most Cotton Web Spinner sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.

Is Brisbane the best place to see a Cotton Web Spinner?

Among the best

Of the 5 cities where we can rate Cotton Web Spinner sightings, Brisbane ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Perth (Australia, about 10%).

Where does the Cotton Web Spinner sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Cotton Web Spinner is recorded against all the insects logged in Brisbane (70 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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