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 Tuen Mun on a given day, based on 28 verified sightings from GBIF citizen-science data. It is the 161st most-seen of the 557 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.
May and June
In those months about 20% of wildlife watchers report a Heortia vitessoides in Tuen Mun on a given day, against under 5% in January–March and July–October, the lowest months. Those are among Tuen Mun's wettest months, with about 260 mm of rain a month against 20 mm in December.
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.
Yes
Of the 4 cities where we can rate Heortia vitessoides sightings, Tuen Mun has the highest daily chance: about 10%. Next come Hong Kong (China, about 10%) and Colombo [Sri Jayawardenepura Kotte] (Sri Lanka, about 10%).
Same family: Crambidae
The closest relatives of the Heortia vitessoides that you can see in Tuen Mun (family Crambidae, Crambid Snout Moths) are Hawaiian Beet Webworm Moth (about 10%), Strepsinoma croesusalis (about 10%) and Ornate Hydriris Moth (about 10%), 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 Tuen Mun (28 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.
