Macroglossum passalus
In 3 days ~10% in a week ~30%
Macroglossum passalus, the black-based hummingbird hawkmoth, is a moth of the family Sphingidae described by Dru Drury in 1773. It is known from Sri Lanka, India, Thailand, south-eastern China, Taiwan, southern Japan, Indonesia (Sumatra, Java) and the Philippines.
The wingspan is 52–62 mm. Adults are attracted to the flowers of Duranta erecta and Lantana camara. They are on wing at dawn and dusk. Larvae have been recorded feeding on Daphniphyllum calycinum in Hong Kong, Photinia glabra in Japan and Photinia lindleyana in India. Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Black-Based Hummingbird Hawkmoth sighting in Tuen Mun on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 394th 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.
October
In that month about 20% of wildlife watchers report a Black-Based Hummingbird Hawkmoth in Tuen Mun on a given day, against under 5% in May–September and November–February, the lowest months. That is one of Tuen Mun's driest months, with about 55 mm of rain against 290 mm in June.
Yes
Of the 3 cities where we can rate Black-Based Hummingbird Hawkmoth sightings, Tuen Mun has the highest daily chance: about 10%. Next come Taipei (Taiwan, under 5%) and Guangzhou (China, under 5%).
Same genus: Macroglossum
The closest relatives of the Black-Based Hummingbird Hawkmoth that you can see in Tuen Mun (genus Macroglossum, Hummingbird Hawkmoths) are Broad-Bordered Hummingbird Hawkmoth (about 10%), Crisp-Banded Hummingbird 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 Black-Based Hummingbird Hawkmoth is recorded against all the insects logged in Tuen Mun (8 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.
