Arhopala amantes
In 3 days ~10% in a week ~20%
Arhopala amantes, the large oakblue, is a species of lycaenid or blue butterfly found in Asia.(India, Ceylon, Burma, Thailand) Arhopala amantes is the largest lycaenid. It is surprisingly inconspicuous on the wing despite the brilliant metallic blue markings on its upperside. In the female, the blue scales are restricted to the centre and basal part of both wings; the outer margins are marked by a wide black band.
Male. Upperside dark purple-blue, shining in certain lights, coloured somewhat like Arhopala centaurus pirithous, but brighter blue, costal and outer marginal line black. Cilia black, tails black, a rather long tail at the end of vein 2, slight projections at the ends of all the other veins of the hindwing, more pronounced at the ends of veins 1 and 3 than at the ends of the others. Underside grey suffused with pinkish-brown, the lower portion of forewing pale, the hindwing darker than the forewing, but varying much in shade of colour, spots and bands chocolate-brown. Forewing with a small spot in the cell near the base, a larger one in the middle, four conjoined spots at the end, the third from the upper end minute and sometimes absent, a discal band of... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kanha National Park | 🇮🇳 India |
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Large Oakblue sighting in Mumbai on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 334th most-seen of the 362 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.
December to February
In those months about 10% of wildlife watchers report a Large Oakblue in Mumbai on a given day, against under 5% in March to November, the lowest months. Those are among Mumbai's driest months, with almost no rain against 830 mm in July.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Large Oakblue sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
5th of 5
Of the 5 cities where we can rate Large Oakblue sightings, Mumbai ranks 5th at under 5%. The best odds are in Dehradun (India, about 10%), Bengaluru (India, about 10%) and Kochi (India, under 5%).
Same family: Lycaenidae
The closest relatives of the Large Oakblue that you can see in Mumbai (family Lycaenidae, Gossamer-winged Butterflies) are Red Pierrot (about 30%), Plains Cupid (about 20%) and Lime Blue (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Large Oakblue is recorded against all the insects logged in Mumbai (5 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.
