Ctenopseustis obliquana
In 3 days ~20% in a week ~40%
Ctenopseustis obliquana, the brownheaded leafroller, is a moth of the family Tortricidae. This species was first described by Francis Walker in 1863. It is indigenous to New Zealand and is a possible introduced species in Hawaii. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Rakiura National Park | 🇳🇿 New Zealand | |
| 2 | Egmont National Park | 🇳🇿 New Zealand | |
| 3 | Fiordland National Park | 🇳🇿 New Zealand |
With luck
About 10% of wildlife watchers report a Blackheaded Leafroller sighting in Fiordland National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 108th most-seen of the 201 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.
September
In that month about 20% of wildlife watchers report a Blackheaded Leafroller in Fiordland National Park on a given day, against under 5% in March to August, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Blackheaded Leafroller sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
3rd of 3
Of the 3 parks where we can rate Blackheaded Leafroller sightings, Fiordland National Park ranks 3rd at about 10%. The best odds are in Rakiura National Park (New Zealand, about 20%) and Egmont National Park (New Zealand, about 10%).
Same family: Tortricidae
The closest relatives of the Blackheaded Leafroller that you can see in Fiordland National Park (family Tortricidae, Tortricid Leafroller Moths) are Capua semiferana (about 10%), Planotortrix flammea (about 10%) and Leucotenes coprosmae (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Blackheaded Leafroller is recorded against all the insects logged in Fiordland National Park (9 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.
