Clanis bilineata
In 3 days ~10% in a week ~20%
Clanis bilineata, the two-lined velvet hawkmoth, is a species of moth in the family Sphingidae first described by Francis Walker in 1866. It is found in Asia, but see the subspecies section for a detailed range. Adults of the nominate subspecies are on wing from late February until October, with peaks in April, late July-early August, and mid-September in Hong Kong. There are multiple generations per year. Subspecies C. b. tsingtauica is on wing from May to late September in Korea.
Larvae of the nominate subspecies have been recorded on Pongamia pinnata, Millettia atropurpurea and Pterocarpus marsupium in India. In southern China it has been recorded from Mucuna and Pueraria. Some authors recognise three distinct subspecies, while others regard them as synonyms:
Clanis bilineata bilineata (southern India, then from Nepal and northern India (Sikkim) across southern China to Taiwan) Clanis bilineata formosana (Taiwan) Clanis bilineata tsingtauica (the Russian Far East, Japan, Korea and north-eastern China, as far... 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 Clanis bilineata sighting in Osaka on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 304th most-seen of the 352 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.
July–August and October
In those months about 10% of wildlife watchers report a Clanis bilineata in Osaka on a given day, against under 5% in September and November–June, the lowest months.
3rd of 5
Of the 5 cities where we can rate Clanis bilineata sightings, Osaka ranks 3rd at under 5%. The best odds are in Seoul (South Korea, about 10%) and Bengaluru (India, under 5%).
Same family: Sphingidae
The closest relatives of the Clanis bilineata that you can see in Osaka (family Sphingidae, Sphinx Moths) are White-Banded Hunter Hawkmoth (about 20%), Pellucid Hawkmoth (about 10%) and Maile Pilau Hornworm (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Clanis bilineata is recorded against all the insects logged in Osaka (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.
