Achyra affinitalis
In 3 days ~10% in a week ~20%
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 →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Hattah-Kulkyne National Park | 🇦🇺 Australia | |
| 2 | Blue Mountains National Park | 🇦🇺 Australia | |
| 3 | Great Otway National Park | 🇦🇺 Australia |
Rare
Under 5% of wildlife watchers report a Cotton Web Spinner sighting in Sydney on a given day, based on 19 verified sightings from GBIF citizen-science data. It is the 412th most-seen of the 742 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.
April
In that month about 10% of wildlife watchers report a Cotton Web Spinner in Sydney on a given day, against under 5% in May to March, the lowest months.
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.
5th of 5
Of the 5 cities where we can rate Cotton Web Spinner sightings, Sydney ranks 5th at under 5%. The best odds are in Perth (Australia, about 10%), Brisbane (Australia, about 10%) and Melbourne (Australia, about 10%).
Same family: Crambidae
The closest relatives of the Cotton Web Spinner that you can see in Sydney (family Crambidae, Crambid Snout Moths) are Grass Webworm Moth (about 10%) and Hawaiian Beet Webworm Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Cotton Web Spinner is recorded against all the insects logged in Sydney (19 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.
