Black Threadtail

Black Threadtail

Prodasineura autumnalis

Daily sighting probability ~10% · With luck
at Xiamen City

In 3 days ~30% in a week ~50%

5 Verified sightings at Xiamen City
34 In all 2 parks From 2019 to 2026
July Best month
☀️ Diurnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Khao Yai National Park 🇹🇭 Thailand
~20%
2 Kaeng Krachan National Park 🇹🇭 Thailand
~10%

Cities Where Found

# City Country Daily sighting probability
1 Yogyakarta 🇮🇩 Indonesia
~30%
2 Tuen Mun 🇨🇳 China
~10%
3 Xiamen City 🇨🇳 China
~10%
4 Jakarta 🇮🇩 Indonesia
~10%
5 Hong Kong 🇨🇳 China
~10%
6 Guangzhou 🇨🇳 China
<5%

Before you go

What are the chances of seeing a Black Threadtail in Xiamen City?

With luck

About 10% of wildlife watchers report a Black Threadtail sighting in Xiamen City on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 45th most-seen of the 59 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.

When is the best time to see a Black Threadtail in Xiamen City?

July

In that month about 30% of wildlife watchers report a Black Threadtail in Xiamen City on a given day, against under 5% in June, August–September and November–April, the lowest months.

What time of day is best to see a Black Threadtail?

Between 10 am and 1 pm

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

Is Xiamen City the best place to see a Black Threadtail?

3rd of 6

Of the 6 cities where we can rate Black Threadtail sightings, Xiamen City ranks 3rd at about 10%. The best odds are in Yogyakarta (Indonesia, about 30%) and Tuen Mun (China, about 10%).

Where does the Black Threadtail sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Black Threadtail is recorded against all the insects logged in Xiamen City (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.

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