Atrocalopteryx atrata
In 3 days ~50% in a week ~80%
Atrocalopteryx atrata is a species of damselfly belonging to the family Calopterygidae. It is native to Asia, where it is widespread in China, Korea, and Japan. This species lives near rivers and streams in flatland habitat, open forests, and sometimes urban areas. Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
Possible
About 20% of wildlife watchers report an Atrocalopteryx atrata sighting in Osaka on a given day, based on 119 verified sightings from GBIF citizen-science data. It is the 16th most-seen of the 352 insects we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
September
In that month about 40% of wildlife watchers report an Atrocalopteryx atrata in Osaka on a given day, against under 5% in November to May, the lowest months. That is one of Osaka's wettest months, with about 190 mm of rain against 55 mm in January.
3rd of 7
Of the 7 cities where we can rate Atrocalopteryx atrata sightings, Osaka ranks 3rd at about 20%. The best odds are in Nagoya (Japan, about 30%) and Daejeon (South Korea, about 20%).
Same order: Odonata
The closest relatives of the Atrocalopteryx atrata that you can see in Osaka (order Odonata, Dragonflies and Damselflies) are White-Tailed Skimmer (about 30%), Greater Blue Skimmer (about 20%) and Scarlet Skimmer (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Atrocalopteryx atrata is recorded against all the insects logged in Osaka (119 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.
