Hygraula nitens
In 3 days ~20% in a week ~30%
Hygraula nitens, the pond moth or Australian water moth, is a species of moth in the family Crambidae. It was described by Arthur Gardiner Butler in 1880. It is found in New Zealand and most of Australia, including Tasmania.
The wingspan is about 25 mm. The caterpillars of this species live underwater. The larvae feed on Potamogeton crispus and Zostera species. They also feed on other alien macrophytes such as Hydrilla verticillata, Lagarosiphon major, and Ceratophyllum demersum. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Fiordland National Park | 🇳🇿 New Zealand | |
| 2 | Great Otway National Park | 🇦🇺 Australia | |
| 3 | Blue Mountains National Park | 🇦🇺 Australia |
With luck
About 10% of wildlife watchers report a Pond Moth sighting in Blue Mountains National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 359th most-seen of the 789 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.
April and September–February
In those months about 10% of wildlife watchers report a Pond Moth in Blue Mountains National Park on a given day, against under 5% in March and May–August, the lowest months.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Pond Moth sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Among the best
Of the 3 parks where we can rate Pond Moth sightings, Blue Mountains National Park ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Fiordland National Park (New Zealand, about 10%) and Great Otway National Park (Australia, about 10%).
Same family: Crambidae
The closest relatives of the Pond Moth that you can see in Blue Mountains National Park (family Crambidae, Crambid Snout Moths) are Nacoleia rhoeoalis (about 10%), Eudonia aphrodes (about 10%) and Lesser Rice-Leafroller (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Pond Moth is recorded against all the insects logged in Blue Mountains National Park (12 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.
