Myllocerus subfasciatus

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Myllocerus subfasciatus
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Infraorder: Cucujiformia
Family: Curculionidae
Genus: Myllocerus
Species:
M. subfasciatus
Binomial name
Myllocerus subfasciatus
Guerin, 1843
Synonyms
  • Myllocerus spurcatusWalker, 1859
  • Myllocerus nubilosusFaust, 1897
  • Myllocerus mutabilisFaust, 1897
  • Myllocerus subfasciatus var spurcatus(Walker): Marshall, 1916
  • Myllocerus subfasciatus var. mutabilis(Faust): Marshall, 1916

Myllocerus subfasciatus, is a species of weevil found in India, and Sri Lanka. [1] The Sri Lankan population was earlier identified as a separate species, Myllocerus spurcatus. [2]

Description

Adult weevil light greyish to white with four black spots on the elytral covers. Eggs are light yellow and are laid deep in the soil. Eggs take 3 to 11 to hatch. Grub is small, apodous fleshy, and yellow in colour. Grub period is about 3 to 42. The final instar pupates in soil in earthen cocoons. The pupation period is 5 to 7 days. [3]

Adults are known to attack brinjal. Common symptom is notching of leaf margins. Grubs generally feed on roots causing wilting. [4]

References

  1. ↑ "Myllocerus subfasciatus". CABI Compendium. 2019. doi:10.1079/cabicompendium.34384.
  2. ↑ Ramamurthy, V. V.; Ghai, Swaraj (1988). "A Study on the Genus Myllocerus (Coleoptera: Curculionidae)". Oriental Insects. 22: 377–500. doi:10.1080/00305316.1988.11835496.
  3. ↑ Padmaja, P.G. (2016). "Insect Pest Resistance in Sorghum". Biotic Stress Resistance in Millets. pp. 105–145. doi:10.1016/B978-0-12-804549-7.00004-4. ISBN   978-0-12-804549-7.
  4. ↑ "TNAU Agritech Portal :: Crop Protection".
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