Theretra nessus

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Yam hawk moth
Yam Hawk Moth Theretra nessus.jpg
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)[1]
Synonyms
  • Sphinx nessus Drury, 1773
  • Sphinx equestris Fabricius, 1793
  • Chaerocampa nessus rubicundus (Schaufuss, 1870)

Theretra nessus (Yam hawk moth) is a moth of the family Sphingidae.

Distribution[edit]

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.[2] It is a recent immigrant in Oahu.

Description[edit]

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.[3]

Biology[edit]

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.[4][5]

Theretra nessus larva (2) and pupa (2a)

Subspecies[edit]

  • Theretra nessus nessus - nominate from South Asia and South East Asian countries
  • Theretra nessus albata Fukuda, 2003 (Fiji, New Caledonia, the Loyalty Islands and Rossel Island at the extreme eastern end of the Louisiade Archipelago)

References[edit]

  1. ^ "CATE Creating a Taxonomic eScience - Sphingidae". Cate-sphingidae.org. Archived from the original on 2012-10-22. Retrieved 2011-10-25. 
  2. ^ "Theretra nessus". Butterfly House. Retrieved 6 July 2016. 
  3. ^ Hampson G. F. (1892). "The Fauna Of British India Including Ceylon And Burma Moths Vol-i". Digital Library of India. p. 558. Retrieved 4 July 2016. 
  4. ^ "Yam hawkmoth". Sphingidae of the Eastern Palaearctic species list. Retrieved 29 July 2016. 
  5. ^ "Theretra nessus Drury". The Moths of Borneo. Retrieved 6 July 2016. 

External links[edit]