Yam hawk moth | |
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Theretra nessus, In Mangaon, Maharashtra, India | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Lepidoptera |
Family: | Sphingidae |
Genus: | Theretra |
Species: | T. nessus |
Binomial name | |
Theretra nessus (Drury, 1773) |
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Synonyms | |
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Theretra nessus (Yam hawk moth) is a moth of the family Sphingidae.
It is found in Sri Lanka, India (including the Andaman and Nicobar Islands), Nepal, Burma, Thailand, southern China, Taiwan, South Korea, Japan, Malaysia, Indonesia, northern Australia and New Caledonia. It is a recent immigrant in Oahu.
The wingspan is 90–130 mm. Head, thorax and a stripe down center of abdomen is green in color suffused with ferrugineous. Thorax is with a lateral grey stripe and abdomen is golden yellow in color at sides. Fore wings are olive-brown and the base with a patch of black and white on the inner margin. A black dot is present at end of cell. A postmedial waved oblique line met by three straight oblique lines from the apex at inner margin. Hind wings are black-brown in color where the anal angle is ochreous, which color extends towards the apex as a submarginal band. Ventral side is suffused with reddish ochreous color.
♀ Dorsal (coll.MHNT)
♀ Ventral (coll.MHNT)
Larva is bluish green in color, with a subdorsal line with oblique streaks below it on 4th to 10th somites. Ocellus on 4th somite is greenish with a black ring. Horn is yellowish. Larvae have been recorded on Amaranthus, Barringtonia, Discorea, Amorphophallus, Impatiens, Citrullus, Arathis, Boerhavia, Knoxia, Morinda, Oldenlandia, Pongamia, Spermacoce, Glossostigma and Camellia.