Indothemis carnatica
In 3 days ~20% in a week ~40%
Indothemis carnatica, the black marsh skimmer, or light-tipped demon, is a species of dragonfly in the family Libellulidae. It is found in India, Sri Lanka and Thailand. It is a small dark violaceous or blackish-brown dragonfly with yellow markings obscurely showing through. Its thorax is blackish-brown, obscured with pruinescence and appears uniformly dark violaceous in full adults. Young males and females are yellowish. Abdomen is dark violaceous with yellow markings obscurely showing through. Its anal appendages are pale yellow tipped with black.
Female differs very widely from the male in colour and markings. Its thorax is golden-yellow on dorsum, pale greenish-yellow laterally. There is a diffuse brown antehumeral stripe. Abdomen is golden-yellow on dorsum, fading to greenish-yellow laterally, marked with black and reddish-brown. There is a narrow sub-dorsal stripe extending in a very broken manner from segment 2 to the end of abdomen. There is a mid-dorsal stripe black on carina, brown at its borders extending from segment 2 to 9, broadening on the terminal segments and becoming confluent with the sub-dorsal stripe. Segment 10 is yellow, with
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| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Doi Inthanon National Park | 🇹🇭 Thailand | |
| 2 | Kaeng Krachan National Park | 🇹🇭 Thailand |
With luck
About 10% of wildlife watchers report a White-Tipped Demon sighting in Mumbai on a given day, based on 19 verified sightings from GBIF citizen-science data. It is the 152nd most-seen of the 362 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
October
In that month about 20% of wildlife watchers report a White-Tipped Demon in Mumbai on a given day, against under 5% in March–June, August and November–December, the lowest months. That is one of Mumbai's driest months, with about 100 mm of rain against 830 mm in July.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most White-Tipped Demon sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 8 cities where we can rate White-Tipped Demon sightings, Mumbai ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Hyderabad (India, about 10%).
Same family: Libellulidae
The closest relatives of the White-Tipped Demon that you can see in Mumbai (family Libellulidae, Skimmers) are Chalky Percher (about 30%), Scarlet Skimmer (about 20%) and Wandering Glider (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the White-Tipped Demon is recorded against all the insects logged in Mumbai (19 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.
