Hyarotis adrastus
In 3 days ~10% in a week ~20%
Hyarotis adrastus, the tree flitter, is a butterfly belonging to the family Hesperiidae found in South Asia and Southeast Asia. Male and female, dark chocolate-brown. Upperside, forewing with three small conjugated subapical semi-transparent white spots, three similar and larger discal spots, and a fourth above them within the cell. Underside darker brown basally, paler exteriorly; forewing with spots as above, bordered externally by a suffused dark brown streak; hindwing with a double series of white dark brown-outer-bordered lunules crossing the middle of the wing, beyond which is a submarginal series of suffused dark brown spots. Palpi, thorax, and abdomen beneath pale greyishbrown. Legs brown. Cilia yellowish- white, spotted with pale brown.
Bengal. (Moore in P. Z. S.) Recorded from Ceylon (Hutchison, Wade, Mackwood); Andamans, Cachar (Wood-Mason and de Nicéville); Sikkim (de Nicéville; Elwes); Calcutta (de Nicéville); Kumaon (Doherty); Kangra, N.-W. Himalayas (Moore) Orissa (Taylor); Nilgiris (Hampson).Burma, Andamans, Thailand, Laos, Vietnam, Hainan, Hong Kong, Malaysia, Tioman, Singapore, Borneo, Sumatra, Java, Palawan, Philippines.
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| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Taman Negara National Park | 🇲🇾 Malaysia |
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Tree Flitter sighting in Kochi on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 335th most-seen of the 428 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
March, May, July and September
In those months about 10% of wildlife watchers report a Tree Flitter in Kochi on a given day, against under 5% in April, June, August and October–February, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Tree Flitter sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 2
Of the 2 cities where we can rate Tree Flitter sightings, Kochi ranks 2nd at under 5%. The best odds are in Hong Kong (China, about 10%).
Same family: Hesperiidae
The closest relatives of the Tree Flitter that you can see in Kochi (family Hesperiidae, Skippers) are Chestnut Bob (about 20%), Common Awl (about 20%) and Indian Palm Bob (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Tree Flitter is recorded against all the insects logged in Kochi (6 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.
