Chilades laius
In 3 days ~30% in a week ~60%
Chilades lajus, the lime blue, is a small butterfly found in India, Sri Lanka, Myanmar, Taiwan, Hong Kong, Hainan, Mangulam Island, Sulawesi and the Philippines that belongs to the lycaenids or blues family. Wet-season form: Male has a bluish-purple upperside. Forewing has base and basal half of costa flushed with pale blue; costa and termen edged by a slender dark brownish-block even line, beyond which along the termen the cilia are brown, at base, white outwardly. Hindwing: costa somewhat broadly dusky black; a slender black conspicuous anteciliary line, beyond which the cilia are white traversed medially by a brown line; dorsum broadly pale brown, two subterminal pale-bordered black spots in interspace 1, and one similar spot in interspace 2, often obsolescent and barely indicated.
Underside: grey. Forewing: a transverse broad lunule on the discocellulars and a transverse discal series of six spots dark brown, the lunule and each of the discal spots edged with white; the posterior four spots of the discal series elongate and each obliquely placed, the anterior two round and curved inwards; a subterminal series of transverse elongate spots with an inner series of... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Jamshedpur | 🇮🇳 India | |
| 2 | Berhampore | 🇮🇳 India | |
| 3 | Chennai | 🇮🇳 India | |
| 4 | Jabalpur | 🇮🇳 India | |
| 5 | Prayagraj | 🇮🇳 India | |
| 6 | Kanpur | 🇮🇳 India | |
| 7 | Mumbai | 🇮🇳 India | |
| 8 | Chattogram | 🇧🇩 Bangladesh | |
| 9 | Kolkata | 🇮🇳 India | |
| 10 | Vadodara | 🇮🇳 India |
With luck
About 10% of wildlife watchers report a Lime Blue sighting in Colombo [Sri Jayawardenepura Kotte] on a given day, based on 19 verified sightings from GBIF citizen-science data. It is the 67th most-seen of the 182 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
May
In that month about 30% of wildlife watchers report a Lime Blue in Colombo [Sri Jayawardenepura Kotte] on a given day, against under 5% in March, October and December–January, the lowest months.
21st of 27
Of the 27 cities where we can rate Lime Blue sightings, Colombo [Sri Jayawardenepura Kotte] ranks 21st at about 10%. The best odds are in Jamshedpur (India, about 40%), Berhampore (India, about 30%) and Chennai (India, about 30%).
Same family: Lycaenidae
The closest relatives of the Lime Blue that you can see in Colombo [Sri Jayawardenepura Kotte] (family Lycaenidae, Gossamer-winged Butterflies) are Red Pierrot (about 20%), Plains Cupid (about 20%) and Tiny Grass Blue (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Lime Blue is recorded against all the insects logged in Colombo [Sri Jayawardenepura Kotte] (19 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.
