Heortia vitessoides
In 3 days ~30% in a week ~50%
Heortia vitessoides is a moth of the family Crambidae described by Frederic Moore in 1885. It is found in south-east Asia, including Fiji, Hong Kong, India, Taiwan, Thailand and northern Queensland in Australia. The wingspan is about 30 mm. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Royal Manas National Park | 🇧🇹 Bhutan | |
| 2 | Sinharaja Forest Reserve | 🇱🇰 Sri Lanka | |
| 3 | Cat Tien National Park | 🇻🇳 Vietnam | |
| 4 | Khao Yai National Park | 🇹🇭 Thailand |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tuen Mun | 🇨🇳 China | |
| 2 | Hong Kong | 🇨🇳 China | |
| 3 | Colombo [Sri Jayawardenepura Kotte] | 🇱🇰 Sri Lanka | |
| 4 | Guangzhou | 🇨🇳 China |
With luck
About 10% of wildlife watchers report a Heortia vitessoides sighting in Cat Tien National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 108th most-seen of the 125 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
September
In that month about 40% of wildlife watchers report a Heortia vitessoides in Cat Tien National Park on a given day, against under 5% in March–May, July–August and October–January, the lowest months. That is one of Cat Tien National Park's wettest months, with about 440 mm of rain against 15 mm in February.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Heortia vitessoides 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.
3rd of 4
Of the 4 parks where we can rate Heortia vitessoides sightings, Cat Tien National Park ranks 3rd at about 10%. The best odds are in Royal Manas National Park (Bhutan, about 30%) and Sinharaja Forest Reserve (Sri Lanka, about 20%).
Same order: Lepidoptera
The closest relatives of the Heortia vitessoides that you can see in Cat Tien National Park (order Lepidoptera, Butterflies and Moths) are Green Dragontail Butterfly (about 40%), Yellow Pansy (about 40%) and Yellow Orange Tip (about 40%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Heortia vitessoides is recorded against all the insects logged in Cat Tien National Park (5 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.
