Broad-bordered hummingbird hawkmoth
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Sphingidae
Genus: Macroglossum
Species:
M. divergens
Binomial name
Macroglossum divergens
Walker, 1856[1]
Synonyms
  • Macroglossa fringilla Boisduval, 1875
  • Macroglossa kanita Swinhoe, 1892
  • Macroglossa loochooana Rothschild, 1894
  • Macroglossum heliophila divergens[1] Walker, 1856

Macroglossum divergens, the broad-bordered hummingbird hawkmoth, is a moth of the family Sphingidae. It was described by Jean Baptiste Boisduval in 1875. It is found from north-eastern Sikkim, India across southern China to Cheju Island (South Korea), southern Japan, Taiwan and the Philippines and then south through Vietnam, Thailand, Malaysia and Indonesia to New Guinea and neighbouring islands. It may be in Sri Lanka.

Description

The wingspan is 50–60 mm. Head, thorax, and first two abdominal segments are rufus coloured. Third and fourth abdominal segments are with latrea; yellow bands and paired black dorsal spots. There is a black dorsal spot on the terminal segment. Ventral side is reddish. Forewings are greyish brown. Antemedial band is wide and recurved along the inner margin. Two curved postmedial diffused bands which are dark with reddish brown can be seen on their inner sides. Subapical markings are indistinct. Hindwings and ventral side is similar to Macroglossum sitiene.[2]

There are two main colour forms in larva. In the green form, the head is yellowish green with the basal segment of the antenna greenish. Other segments are red. Eyes brownish. In the dark-coloured form, the head is pale brown. Body dark smoky olive green or olive brown, dotted with white. A bluish-black dorsal stripe is present. Horn reddish in both forms. Pupa is pinkish bone colour, but head, thorax and wing-case tinged with green.[3]

Ecology

There are several generations per year in Hong Kong, with adults on wing in April and from June to December.[4]

The larvae feed on Psychotria rubra in Hong Kong and Psychotria dalzellii in India. Other recorded food plants include Morinda species. There are green, reddish brown and black forms of the fully grown larva. Early instars are blood red with honey yellow at the anterior and posterior, the red fading and the body becoming greener with growth.[5]

Subspecies

  • Macroglossum divergens divergens
  • Macroglossum divergens heliophila Walker, 1856 (Sri Lanka)

References

Wikimedia Commons has media related to Macroglossum heliophila.
  1. 1 2 "Macroglossum divergens [Walker, 1856 ]". sphingidae.myspecies.info. Retrieved 30 January 2022.
  2. ↑ Hampson, G. F. (1892). The Fauna of British India, Including Ceylon and Burma: Moths Volume I. Taylor and Francis – via Biodiversity Heritage Library.
  3. ↑ Pittaway, A. R.; Kitching, I. J. "Macroglossum divergens heliophila Boisduval, [1875] -- Broad-bordered hummingbird hawkmoth". Sphingidae of the Eastern Palaearctic. Retrieved December 15, 2018.
  4. ↑ Herbison-Evans, Don & Crossley, Stella (10 February 2016). "Macroglossum heliophila (Boisduval, [1875])". Australian Caterpillars and their Butterflies and Moths. Retrieved 18 November 2018.
  5. ↑ "Macroglossum heliophila Boisduval". The Moths of Borneo. Retrieved 18 November 2018.


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