Hellula hydralis
In 3 days ~40% in a week ~70%
Hellula hydralis, the cabbage centre grub, is a moth of the family Crambidae. It was described by Achille Guenée in 1854 and is found throughout Australia. The wingspan is about 20 mm. The larvae feed on Brassica oleracea and Brassica napus. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Hattah-Kulkyne National Park | 🇦🇺 Australia | |
| 2 | Great Otway National Park | 🇦🇺 Australia | |
| 3 | Blue Mountains National Park | 🇦🇺 Australia |
Possible
About 20% of wildlife watchers report a Cabbage Centre Grub sighting in Hattah-Kulkyne National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 21st most-seen of the 61 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
April
In that month about 40% of wildlife watchers report a Cabbage Centre Grub in Hattah-Kulkyne National Park on a given day, against under 5% in May–August, October and December–February, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Cabbage Centre Grub sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
Yes
Of the 3 parks where we can rate Cabbage Centre Grub sightings, Hattah-Kulkyne National Park has the highest daily chance: about 20%. Next come Great Otway National Park (Australia, about 10%) and Blue Mountains National Park (Australia, about 10%).
Same family: Crambidae
The closest relatives of the Cabbage Centre Grub that you can see in Hattah-Kulkyne National Park (family Crambidae, Crambid Snout Moths) are Poroporo Fruit Borer (about 10%), Cotton Web Spinner (about 10%) and Nomophila corticalis (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Cabbage Centre Grub is recorded against all the insects logged in Hattah-Kulkyne National Park (10 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.
