Parasa bicolor

Parasa bicolor, the green rice moth, is a moth of the family Limacodidae. The species was first described by Francis Walker in 1855.[1] It is found in Sri Lanka,[2] India, Nepal, Pakistan, Myanmar, Laos, Taiwan, Vietnam, Malaysia, Java, China and Taiwan.[3][4][5]

Parasa bicolor
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Limacodidae
Genus:
Parasa
Species:
P. bicolor
Binomial name
Parasa bicolor
(Walker, 1855)
Synonyms
  • Monema virescens Matsumura, 1915
  • Neaera bicolor Walker, 1855
  • Latoia oryzae Cai, 1983

Biology and control

Its wingspan is 13–19 mm. Head, thorax and forewings greenish. Abdomen and hindwings brownish. Caterpillar yellowish. The caterpillar undergoes eight larval instars. The female lays eggs on the undersides of leaves. Eggs hatch after 6 to 10 days. Early instars feed on leaves and leaving brownish white leaf epithelium. Late instars completely eat the leaf tissue. Pupation occurs in a cocoon within the soil.[6]

Larval host plants are Oryza,[7] Phyllostachys, Bambusa, Sinobambusa, Arundinaria and Pleioblastus species. Adults can be controlled by light traps. Soil turning in winter can kill overwintering caterpillars and cocoons.

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References
  1. "Species Details: Parasa bicolor Walker, 1855". Catalogue of Life. Retrieved 29 June 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. "Distribution of Parasa bicolor". India Biodiversity Portal. Retrieved 28 June 2018.
  4. "Parasa bicolor Walker". Digital Moths of Japan. Retrieved 28 June 2018.
  5. "Parasa bicolor virescens (Matsumura)". Oriental Butterflies & Moths. Retrieved 12 October 2018.
  6. Insect Pests of Bamboos in Asia: An Illustrated Manual. Brill. 1 January 2002 – via Google Books.
  7. "Parasa bicolor (Walk), a new pest of rice in Manipur" (PDF). International Rice Research Notes. Retrieved 28 June 2018.
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