Marumba dyras
In 3 days ~20% in a week ~30%
Marumba dyras, the dull swirled hawkmoth, is a species of hawk moth described by Francis Walker in 1856. It is found in South-east and South Asia. The wingspan is 90–125 mm. The body is pale brown. There is a dark line running from the head to the end of the abdomen. Forewing is with a sub-basal line, three antemedial lines converging towards inner margin, two oblique slightly bent post-medial lines, the outer line is obsolescent. There is another post-medial line, curved from the costa to vein 2, then recurved upwards and inwards and enclosing a red-brown spot surrounded by an indistinct line. The two curved sub-marginal lines can be seen.
The hindwings are reddish brown with two red-brown spots on them. The ventral surface of the forewings with only lines on the outer half present. Ventral surface of hindwing with two post-medial straight lines and two sub-marginal curved lines.
The caterpillar is blue green with short white granular spines. There are lateral oblique streaks on the 5th to 10th somites. A black-ringed white eyespot can be found on the 4th somite. The horn is yellow. The pupa is dark red brown. The spiracles and cremaster are black. 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 Dull Swirled Hawkmoth sighting in Tuen Mun on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 368th most-seen of the 557 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
April and July–October
In those months about 10% of wildlife watchers report a Dull Swirled Hawkmoth in Tuen Mun on a given day, against under 5% in May–June and November–March, the lowest months.
Among the best
Of the 4 cities where we can rate Dull Swirled Hawkmoth sightings, Tuen Mun ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Hong Kong (China, about 10%) and Guangzhou (China, about 10%).
Same family: Sphingidae
The closest relatives of the Dull Swirled Hawkmoth that you can see in Tuen Mun (family Sphingidae, Sphinx Moths) are Broad-Bordered Hummingbird Hawkmoth (about 10%), Oleander Hawkmoth (about 10%) and Crisp-Banded Hummingbird Hawkmoth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Dull Swirled Hawkmoth is recorded against all the insects logged in Tuen Mun (9 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.
