Eucorynus crassicornis
In 3 days ~10% in a week ~30%
Eucorynus crassicornis is a species of fungus weevil in the beetle family Anthribidae, which was first described in 1801 by Johan Christian Fabricius as Anthribus crassicornis, from specimen(s) collected in Sumatra. It has been found in South Korea (Jeju Island), Japan, Far East Russia, China, Taiwan, Thailand, Malaysia, Singapore, the Philippines, India, and Australia.
In Indonesia, this weevil damages the pods and seeds of the legume crops Crotalaria striata, other Crotalaria species, and those of Leucaena leucocephala. In Kerala, it has been found to be a major destroyer of stored bamboo. Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Eucorynus crassicornis sighting in Hong Kong on a given day, based on 21 verified sightings from GBIF citizen-science data. It is the 467th most-seen of the 1125 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
In those months about 10% of wildlife watchers report a Eucorynus crassicornis in Hong Kong on a given day, against under 5% in May–June and August–March, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Eucorynus crassicornis sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
5th of 9
Of the 9 cities where we can rate Eucorynus crassicornis sightings, Hong Kong ranks 5th at under 5%. The best odds are in Nanjing (China, about 10%), Hangzhou (China, about 10%) and Manila (Philippines, about 10%).
GBIF citizen-science records
It is estimated from how often the Eucorynus crassicornis is recorded against all the insects logged in Hong Kong (21 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.
