Dideopsis aegrota
In 3 days ~10% in a week ~30%
Dideopsis aegrota is a species of hover fly in the family Syrphidae. It is found in South Korea, China, India, Indonesia, Sri Lanka, Nepal, as well as eastern Australia. Larvae of this species feed on aphids, and consume about 400 in their life. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Kaeng Krachan National Park | 🇹🇭 Thailand |
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Dideopsis aegrota sighting in Tuen Mun on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 492nd most-seen of the 557 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
April and July–August
In those months about 10% of wildlife watchers report a Dideopsis aegrota in Tuen Mun on a given day, against under 5% in May–June and September–March, the lowest months. Those are among Tuen Mun's wettest months, with about 180 mm of rain a month against 20 mm in December.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Dideopsis aegrota 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 Dideopsis aegrota sightings, Tuen Mun ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Hong Kong (China, under 5%).
Same family: Syrphidae
The closest relatives of the Dideopsis aegrota that you can see in Tuen Mun (family Syrphidae, Hover Flies) are Marmalade Hover Fly (about 10%), Yellow-Shouldered Hover Fly (about 10%) and Mesembrius bengalensis (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Dideopsis aegrota is recorded against all the insects logged in Tuen Mun (5 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.
