Rapala manea
In 3 days ~30% in a week ~60%
Rapala manea, slate flash, is a butterfly of the family Lycaenidae. It is found in most of the Indomalayan realm (excluding Taiwan). The wingspan is 24–26 mm. The larvae of subspecies R. m. schistacea feed on the flowers of Rosaceae, Euphorbiaceae, Combretaceae and Leguminosae species, including Quisqualis indica and Acacia caesia. Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Slate Flash sighting in Tuen Mun on a given day, based on 46 verified sightings from GBIF citizen-science data. It is the 125th 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 60%, if each day is a fresh chance.
May and November
In those months about 20% of wildlife watchers report a Slate Flash in Tuen Mun on a given day, against under 5% in March and August, the lowest months.
Among the best
Of the 12 cities where we can rate Slate Flash sightings, Tuen Mun ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Pune (India, about 10%) and Salem (India, about 10%).
Same family: Lycaenidae
The closest relatives of the Slate Flash that you can see in Tuen Mun (family Lycaenidae, Gossamer-winged Butterflies) are Pale Grass Blue (about 30%), Common Hedge Blue (about 30%) and Chocolate Royal (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Slate Flash is recorded against all the insects logged in Tuen Mun (46 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.
