Onitis philemon

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Onitis philemon
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Scarabaeidae
Genus: Onitis
Species:
O. philemon
Binomial name
Onitis philemon
Fabricius, 1801
Synonyms
  • Onitis distinctusLansberge, 1875

Onitis philemon, is a species of dung beetle found in India, Sri Lanka, China and Taiwan. [1] [2] [3]

Description

This oval less elongate and convex species has an average length of about 14 to 19 mm. Body greenish, coppery or bronzy-black. Head rugulose, with smooth ocular lobes. Clypeus parabolic, with an extremely feeble emargination of the front edge in the middle. Pronotum fairly strongly closely but unevenly punctured. Elytra moderately strongly striate with very finely and sparsely punctured intervals. Pygidium very feebly and sparsely punctured. Metasternal shield smooth and feebly punctured. Male has granulate clypeus, elongate front legs, slender tibia with four feeble teeth externally. Female has closely transversely rugose clypeus, broad front tibia with four strong teeth and an articulated terminal spur. [4] [5] [6]

Adult beetle is a tunneler and main food source is cow dung. After observing the gut of the beetle, several symbiotic microbes have been identified who has the ability to degrade cellulose, pectin and lignin. Cellulose degraders are Acinetobacter baumannii , Citrobacter amalonaticus , Citrobacter freundii , Aeromonas caviae and Acinetobacter . Pectine hydrolyzing microbes are Aeromonas hydrophila , Aeromonas caviae and Citrobacter freundii . Two bacterial species: Citrobacter amalonaticus and Citrobacter freundii are known to digest lignin. [7]

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References

  1. ↑ "Onitis philemon Fabricius, 1801". www.gbif.org. Retrieved 2021-07-23.
  2. ↑ Chandra, Kailash; Ahiwar, S.C. (21 July 2005). "Fauna of Protected Areas - 24: Scarabaeid beetles of Bandhavgarh National Park, Madhya Pradesh". Zoos' Print Journal. 20 (8): 1961–1964. doi: 10.11609/JOTT.ZPJ.1281.1961-4 . S2CID   130044478.
  3. ↑ Ganeshaiah, K. N.; Chandrashekara, K.; Kumar, A. R. V. (1997). "Avalanche index: A new measure of biodiversity based on biological heterogeneity of the communities". Current Science. 73 (2): 128–133. JSTOR   24098266.
  4. ↑ "Onitis philemon Fabricius, 1801". India Biodiversity Portal. Retrieved 2021-07-23.
  5. ↑ Yadav, J. S.; Pillai, R. K. (January 1977). "Karyological Investigations on Seven Species of Coprinae (Scarabaeidae: Coleoptera)". Caryologia. 30 (3): 255–263. doi:10.1080/00087114.1977.10796699.
  6. ↑ "Study of Nidification Behavior in Three Dung Beetle Species ( Scarabaeidae : Scarabaeinae ) From South-Western Maharashtra , India" (PDF). S2CID   53475879.
  7. ↑ Surabhi, K; Rangeshwaran, R; Frenita, ML; Shylesha, AN; Jagadeesh, P (2018). "Isolation and characterization of the culturable microbes associated with gut of adult dung beetle Onitis philemon (Fabricius)". Journal of Pharmacognosy and Phytochemistry. 7 (2): 1609–1614.


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