Urothemis signata
In 3 days ~70% in a week ~90%
Urothemis signata, the greater crimson glider, is a species of dragonfly in the family Libellulidae. It is widespread in many Asian countries. A number of subspecies are recognized for this species. There are four subspecies are recognized.
It is a medium-sized dragonfly with red eyes. thorax and abdomen. Its wings are transparent with an amber colored spot surrounded by a dark-brown patch in the base of hind-wings. Its abdomen is blood-red, with some black marking on the
dorsum of segments 8 and 9. Female is similar to the male; but yellowish in color. The black spots on the dorsum is repeated on segments 3 to 7. Juvenile and sub-adult males also have these marks. This species breeds in ponds and slow flowing rivers, typically in lowland areas. The males often found perch on exposed twigs. This species has managed to colonise urban water bodies and park ponds.
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| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sepilok | 🇲🇾 Malaysia | |
| 2 | Kinabatangan Wildlife Sanctuary | 🇲🇾 Malaysia | |
| 3 | Kaeng Krachan National Park | 🇹🇭 Thailand |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kota | 🇮🇳 India | |
| 2 | Salem | 🇮🇳 India | |
| 3 | Dhaka | 🇧🇩 Bangladesh | |
| 4 | Berhampore | 🇮🇳 India | |
| 5 | Ponnani | 🇮🇳 India | |
| 6 | Thrissur | 🇮🇳 India | |
| 7 | Kochi | 🇮🇳 India | |
| 8 | Thiruvananthapuram | 🇮🇳 India | |
| 9 | Colombo [Sri Jayawardenepura Kotte] | 🇱🇰 Sri Lanka | |
| 10 | Kolkata | 🇮🇳 India |
Possible
About 30% of wildlife watchers report a Scarlet Basker sighting in Dhaka on a given day, based on 25 verified sightings from GBIF citizen-science data. It is the 18th most-seen of the 92 insects we can rate there. Over three days the chance rises to about 70%, and over a week to about 90%, if each day is a fresh chance.
August and September
In those months about 50% of wildlife watchers report a Scarlet Basker in Dhaka on a given day, against under 5% in November to March, the lowest months. Those are among Dhaka's wettest months, with about 320 mm of rain a month against 10 mm in January.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Scarlet Basker sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 24 cities where we can rate Scarlet Basker sightings, Dhaka ranks 3rd at about 30%, level with the leaders once rounded. The best odds are in Kota (India, about 30%) and Salem (India, about 30%).
Same family: Libellulidae
The closest relatives of the Scarlet Basker that you can see in Dhaka (family Libellulidae, Skimmers) are Pied Paddy Skimmer (about 40%), Scarlet Skimmer (about 40%) and Oriental Blue Dasher (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Scarlet Basker is recorded against all the insects logged in Dhaka (25 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.
