Cigaritis vulcanus
In 3 days ~80% in a week >90%
Cigaritis vulcanus, the common silverline, is a species of lycaenid or blue butterfly found in Asia. It was first described by Johan Christian Fabricius in 1775. Male. Upperside dark brown, with a more or less violet tinge. Forewing usually with three short orange-red transverse bands in the upper part of the wing, these bands are of various lengths in different specimens, and all descend from near the costa downwards, the sub-apical band the shortest, the discal band the longest, in some examples there is an orange- red sub-basal mark, and another on the costa at its middle, and there is also an indication of a sub-marginal band. Hindwing with an anal orange-red patch, which in most examples narrows upwards for a short distance sub-marginally, a small black spot in the anal lobe, another on the margin between the two tails, both with some silvery-blue scales attached to them; tails black, with minute white tips, the orange-red colour of the anal patch running half way up both of them; both wings with black outer marginal line and whitish cilia with a black base. Underside pale whitish-sulphury-yellow, bands red-brown edged with dark In-own, with inner silvery macular... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Salem | 🇮🇳 India | |
| 2 | Prayagraj | 🇮🇳 India | |
| 3 | Bhubaneshwar | 🇮🇳 India | |
| 4 | Kolkata | 🇮🇳 India | |
| 5 | New Delhi | 🇮🇳 India | |
| 6 | Coimbatore | 🇮🇳 India | |
| 7 | Pune | 🇮🇳 India | |
| 8 | Mumbai | 🇮🇳 India | |
| 9 | Bengaluru | 🇮🇳 India |
Likely
About 40% of wildlife watchers report a Common Silverline sighting in Salem on a given day, based on 92 verified sightings from GBIF citizen-science data. It is the 14th most-seen of the 99 insects we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.
June
In that month about 60% of wildlife watchers report a Common Silverline in Salem on a given day, against under 5% in March and April, the lowest months.
Yes
Of the 9 cities where we can rate Common Silverline sightings, Salem has the highest daily chance: about 40%. Next come Prayagraj (India, about 20%) and Bhubaneshwar (India, about 20%).
Same family: Lycaenidae
The closest relatives of the Common Silverline that you can see in Salem (family Lycaenidae, Gossamer-winged Butterflies) are Tiny Grass Blue (about 40%), Common Cerulean (about 40%) and Plains Cupid (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Common Silverline is recorded against all the insects logged in Salem (92 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.
