Delgamma

Delgamma is a monotypic moth genus of the family Noctuidae erected by Frederic Moore in 1885. Its only species, Delgamma pangonia, the strawberry cutworm, was first described by Achille Guenée in 1852.[1]

Strawberry cutworm
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Noctuidae
Genus:
Delgamma

Moore, [1885]
Species:
D. pangonia
Binomial name
Delgamma pangonia
(Guenée, 1852)
Synonyms
  • Bendis pangonia Guenée, 1852
  • Naxia calorifica Walker, 1858
  • Delgamma sanctae Prout, 1927

Distribution

It is found in tropical countries such as India, Sri Lanka,[2] Bangladesh, the Philippines, Thailand,[3] São Tomé, parts of Africa, and Australia.[4]

Description

Palpi upturned, where the second joint reaching vertex of head and smoothly scaled, and moderate length third joint. A short frontal tuft present. Antennae fasciculate in male. Thorax and abdomen smoothly scaled. Tibia spineless and moderately hairy. Hind tarsi with first joint fringed above. Forewings with somewhat acute apex. Hindwings of male with the cell short and a large oval depression beyond it, veins 6 and 7 being bent and approaching vein 8. Veins 4 and 5 depressed and running along vein 3 to near margin.[5]

The wingspan is about 4 cm. Adult has bright brown wings, each with a broad pale margin. Forewings have a dark triangle at the tip of each wing tinged with a purplish shine.[6] The caterpillar is humped without tubercles and brownish with grey dots. First two pairs of prolegs reduced. Head pale pinkish to whitish with dark lines. Pupa has a white bloom. The caterpillar is a serious pest on strawberries, as well as other plants in the genus Connarus.[7]

References
  1. "Species Details: Delgamma pangonia Guenée, 1852". Catalogue of Life. Retrieved 2 March 2018.
  2. Koçak, Ahmet Ömer; Kemal, Muhabbet (20 February 2012). "Preliminary list of the Lepidoptera of Sri Lanka". Cesa News. Centre for Entomological Studies Ankara (79): 1–57 – via Academia.
  3. "Erebidae of Thailand". Farangs Gone Wild. Retrieved 2 March 2018.
  4. "Delgamma pangonia Guenée". Digital Moths of Japan. Retrieved 2 March 2018.
  5. Hampson, G. F. (1894). The Fauna of British India, Including Ceylon and Burma: Moths Volume II. Taylor and Francis – via Biodiversity Heritage Library.
  6. "Delgamma pangonia Guenée". The Moths of Borneo. Retrieved 2 March 2018.
  7. Herbison-Evans, Don & Crossley, Stella (5 March 2013). "Delgamma pangonia (Guenée, 1852) Strawberry Cutworm". Australian Caterpillars and their Butterflies and Moths. Retrieved 6 October 2018.


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