Dark Evening Brown

Dark Evening Brown

Melanitis phedima

Daily sighting probability ~20% · Possible
at Tuen Mun

In 3 days ~40% in a week ~70%

66 Verified sightings at Tuen Mun
26 In all 2 parks From 2019 to 2026
July Best month
☀️ Diurnal When it's spotted

About the Dark Evening Brown

Melanitis phedima, the dark evening brown, is a species of butterfly found flying at dusk. The flight of this species is erratic. They are found in south and southeast Asia. Wet-season form: Male. Upperside dusky fuliginous-brown, the outer borders palest; cilia brown. Forewing very slightly angled below the apex; with a well-defined subcostal nearly round ochreous patch before the apex, divided by the brown radial veinlets. Hindwing unmarked. Underside dark purpurescent-brown, densely and uniformly covered with ochreous-cinereous strigae; the outer border ferruginous. Forewing with four ordinary small obscure white-pupilled ocelli. Hindwing with a series of six submarginal prominent ocelli, the upper second minute, the anal geminated, the other four nearly equal and much larger, each pupilled with white. Female. Upperside. Both wings much paler than in the male. Forewing more broadly angled below the apex; with the entire apical area broadly pale ochreous, on which is placed a round black spot with white pupil, situated between the upper and middle median veinlets, also a minute obsolescent ocellus below it and three above it. Hindwing with a small posterior submarginal... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Cuc Phuong National Park 🇻🇳 Vietnam
~20%
2 Taroko National Park 🇹🇼 Taiwan
~10%

Cities Where Found

# City Country Daily sighting probability
1 Tuen Mun 🇨🇳 China
~20%
2 Nagoya 🇯🇵 Japan
~10%
3 Hong Kong 🇨🇳 China
~10%
4 Jakarta 🇮🇩 Indonesia
~10%
5 Taipei 🇹🇼 Taiwan
~10%
6 Taichung 🇹🇼 Taiwan
~10%
7 Tokyo 🇯🇵 Japan
~10%
8 Bandung 🇮🇩 Indonesia
~10%
9 Osaka 🇯🇵 Japan
~10%
10 Guangzhou 🇨🇳 China
<5%

Before you go

What are the chances of seeing a Dark Evening Brown in Tuen Mun?

Possible

About 20% of wildlife watchers report a Dark Evening Brown sighting in Tuen Mun on a given day, based on 66 verified sightings from GBIF citizen-science data. It is the 74th most-seen of the 557 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.

When is the best time to see a Dark Evening Brown in Tuen Mun?

July

In that month about 30% of wildlife watchers report a Dark Evening Brown in Tuen Mun on a given day, against about 10% in May, August and October–January, the lowest months. That is one of Tuen Mun's wettest months, with about 200 mm of rain against 20 mm in December.

What time of day is best to see a Dark Evening Brown?

Between 8 and 11 am

Across all the parks we cover, that three-hour window holds the most Dark Evening Brown sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Tuen Mun the best place to see a Dark Evening Brown?

Yes

Of the 10 cities where we can rate Dark Evening Brown sightings, Tuen Mun has the highest daily chance: about 20%. Next come Nagoya (Japan, about 10%) and Hong Kong (China, about 10%).

Where does the Dark Evening Brown sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Dark Evening Brown is recorded against all the insects logged in Tuen Mun (66 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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