Anaciaeschna jaspidea
In 3 days ~10% in a week ~20%
Anaciaeschna jaspidea is a species of dragonfly in the family Aeshnidae, commonly known as the Australasian duskhawker and Rusty darner. It is widely distributed from India through Australia to the Pacific. Anaciaeschna jaspidea is a large brown dragonfly with blue eyes. Its thorax is reddish-brown, with two broad greenish-yellow stripes on each side. Wings are transparent with pterostigma, reddish-brown. Abdomen is reddish-brown, marked with azure-blue, white, and yellow. Abdomen segment 1 has a large pale yellow spot on each side. Abdomen segment 2 has white marks on the sides and azure-blue on the dorsum with a broad spot of reddish-brown on mid-dorsum. Abdomen segments 3 to 7 are brown on dorsum with black apical annules. Abdomen segments 8 to 10 are darker on dorsum with a pair of dorsal apical spots. Anal appendages are dark reddish-brown. Female appears similar to the male.
Anaciaeschna jaspidea is a crepuscular species, flies during dawn and dusk. It is common in marshes surrounded by woods where it breeds. The genus name Anaciaeschna combines Anax, derived from the Greek ἄναξ (anax, "king" or "sovereign"), with Aeshna. The name... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Xiamen City | 🇨🇳 China | |
| 2 | Bengaluru | 🇮🇳 India | |
| 3 | Taipei | 🇹🇼 Taiwan |
Rare
Under 5% of wildlife watchers report a Rusty Darner sighting in Taipei on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 650th most-seen of the 765 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Rusty Darner in Taipei on a given day, so our monthly data shows no clear season.
3rd of 3
Of the 3 cities where we can rate Rusty Darner sightings, Taipei ranks 3rd at under 5%. The best odds are in Xiamen City (China, about 10%) and Bengaluru (India, about 10%).
GBIF citizen-science records
It is estimated from how often the Rusty Darner is recorded against all the insects logged in Taipei (7 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.
