Fine-Lined Hairstreak

Fine-Lined Hairstreak

Arawacus sito

Daily sighting probability ~10% · With luck
at Ría Lagartos Biosphere Reserve

In 3 days ~30% in a week ~60%

6 Verified sightings at Ría Lagartos Biosphere Reserve From 2019 to 2026
6 In 1 park
July Best month
☀️ Diurnal When it's spotted

About the Fine-Lined Hairstreak

Arawacus sito, the fine-lined stripe-streak, is a butterfly of the family Lycaenidae. It is in found from Mexico, south to Central America, including Guatemala, Honduras, Nicaragua and Panama. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Ría Lagartos Biosphere Reserve 🇲🇽 Mexico
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 San Pedro Sula 🇭🇳 Honduras
~10%

Before you go

What are the chances of seeing a Fine-Lined Hairstreak in Ría Lagartos Biosphere Reserve?

With luck

About 10% of wildlife watchers report a Fine-Lined Hairstreak sighting in Ría Lagartos Biosphere Reserve on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 86th most-seen of the 112 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.

When is the best time to see a Fine-Lined Hairstreak in Ría Lagartos Biosphere Reserve?

March and June–July

In those months about 20% of wildlife watchers report a Fine-Lined Hairstreak in Ría Lagartos Biosphere Reserve on a given day, against under 5% in February, April–May and August–November, the lowest months.

What time of day is best to see a Fine-Lined Hairstreak?

Between 10 am and 1 pm

Across all the parks we cover, that three-hour window holds the most Fine-Lined Hairstreak sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Where else can you see a Fine-Lined Hairstreak?

Only Ría Lagartos Biosphere Reserve, in our data

Ría Lagartos Biosphere Reserve is the only park on Wallace's Line with enough records to rate Fine-Lined Hairstreak sightings: about 10% of wildlife watchers there report one on a given day.

Which relatives of the Fine-Lined Hairstreak live in Ría Lagartos Biosphere Reserve?

Same family: Lycaenidae

The closest relatives of the Fine-Lined Hairstreak that you can see in Ría Lagartos Biosphere Reserve (family Lycaenidae, Gossamer-winged Butterflies) are Thecla bathildis (about 40%), Thecla marius (about 40%) and Ceraunus Blue (about 30%), with each one's daily chance of a sighting.

Where does the Fine-Lined Hairstreak sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Fine-Lined Hairstreak is recorded against all the insects logged in Ría Lagartos Biosphere Reserve (6 verified sightings from 2019 to 2026), 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.

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