Appearance
The wingspan is 94–118 mm. It is more rufous brown than other "Marumba" species. There is a strong tornal loop on the forewing upperside, as well as weak and irregular bands. There is a large orange-tawny area on the posterior part of the forewing underside. A similar orange-tawny patch is found on the termen close to tornus on the hindwing underside.Naming
*"Marumba spectabilis spectabilis"⤷ "Marumba spectabilis malayana" Rothschild & Jordan, 1903
Distribution
It is known from Nepal, north-eastern India, southern China, Thailand, Laos, Vietnam, Malaysia and Indonesia.Behavior
There are three generations per year in northern Guangdong.The larvae have been recorded feeding on "Meliosma rigida". They are bright yellowish green above the spiracles, with yellow tubercles. Below the spiracles, the body is watery green with white tubercles, separated from the dorsal part by a bright yellow subspiracular stripe that is edged ventrally by brown, most intense on the thorax, weak or absent over the abdominal segments. The oblique bands are formed by yellow or red tubercles. The horn is bright green.
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