The shot hole borer (Ambrosia beetle): Deciphering component in wilt complex as an emerging issue in pomegranate-A review

Authors

  • D N Fand Ph.D. Scholar, Deptt. of Ento., Mahatma Phule Krishi Vidyapeeth, Rahuri, Maharashtra Author
  • A R Walunj Scientist, Entomology, AICRP on Arid Zone Fruits, Deptt. of Hort., MPKV, Rahuri, Maharashtra Author
  • M M Harsur Scientist (Sr. Scale), Entomology, ICAR-NRC on Pomegranate, Solapur, Maharashtra Author

DOI:

https://doi.org/10.48165/ijah.2022.4.1.1

Keywords:

Ambrosia beetle, Fusarium wilt, pomegranate, shot hole borer, symbiosis

Abstract

Ambrosia i.e. shot hole borer beetles are beetles of the weevil subfamilies Scolytinae  and Platypodinae (Coleoptera, Curculionidae), which live in nutritional symbiosis  with ambrosia fungi. The beetles excavate tunnels in preferably wilted dead, stressed  plants and little bits in healthy trees in which they cultivate fungal gardensas their  sole source of nutrition. The shot hole borer, Xyleborus fornicatus severely affected  pomegranate as this pest occurs sporadically in Ahmednagar. Life cycle from egg  emergence to adult life of this pest was completed in 34 days with 13:1 female to  male ratio. The symbiotic fungus Fusarium euwallaceae is associated with Euwalla ceae fornicatus causing branch dieback once introduced. Beetle play key role in the  mechanical transmission of wilt pathogens. Because of haplodiploidy nature there is  no need to find mates, brother-sister mating increases the chances of colonization  and therefore, one or a few individuals are sufficient to establish a new population.  As deciphering component, the wilt incidence reported from 0 to 46.3 per cent of  survey report in Bagalkote followed by Belgavi in Karnataka and stated that the in festation of shot hole borer alone was not noticed. Furthermore, association of shot  hole borer and nematode results in higher per cent disease incidence. Maintaining  healthy trees by reducing physiological stress is the first recommendation for long  term control. If growers maintain optimal condition the ubiquitous amborsia beetle  will be in consequential. Pasting of geru with and drenching of emamectin benzoate  at 2 g + propiconazole 1 ml per litre water in infested plant will be effective remedy  for the management of pest with symbiotic fungal inoculum.  

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Na, F., Carrillo, J. D., Mayorquin, J. S., Ndinga-Muniania, C., Stajich, J. E., Stouthamer, R., Huang, Y. T., Lin, Y. T., Chen, C. Y. and Eskalen, A. 2018. Two novel fungal symbionts Fusarium kuroshium sp. nov. and Graphiumkuroshium sp. nov. of Kuroshio shot hole borer (Euwallacea nr. fornicatus) cause Fusarium dieback on woody host species in California. Plant Disease, 102: 1154-1164.

Naik Krishna, L. and Nandihalli, B.S. 1996. Observation on peculiar attack of shot hole borer on pomegranate in Karnataka. Pestology, 20(10):31-33.

Owens, D., L. F. Cruz, W. S. Montgomery, T. I. Narvaez, E. Q. Schnell, Tabanca, N., R. E. Duncan, D. Carillo and P. E. Kendra. 2018. Host range expansion and increasing damage potential of Euwallacea fornicatus (Coleoptera: Curculionidae) in Florida. Florida Entomologist, 101 (2): 229–236.

Ploetz, R.C., Hulcr, J., Wingfield, M.J. and Willhelm de Beer, Z.

2013. Destructive tree diseases associated with Ambrosia and bark beetles: Black Swan events in tree pathology. Plant Disease, 95(7): 856-872.

Rudinsky, A. 1966. Ecology of Scolytidae. Annual Review of Entomology, 7: 327–348.

Saranya, R. Yashoda, R. Hegde and Lingaraju, S.2023. Deciphering Components of Wilt Complex inPomegranate: A Case Study Based on Survey in Northern Karnataka. Annals of Arid Zone, 62(4): 281-289.

Sharma, K. K., Sharma, J. and Jadhav, V. T. 2010. Etiology of pomegranate wilt and its management. In: Fruit, Vegetable and Cereal Science and Biotechnology. Global Science Books. Pp. 96-101.

Shreeshail, Sonyal, Nargund, V.B., Puneeth, M.E., Benagi, V.I., Palanna, K.B., Madhu, Giri, S., Shivalingappa, H., Mahesha, H. S., Devanshu Dev, Anil Pappachan and YallappaJagarkall. 2016. Survey for pomegranate wilt complex caused by Ceratocystisfimbriata and Meloidogyne incognita in northern Karnataka. Journal of Pure and Applied Microbiology, 10(1).

Sivapalan, P. 1974. The control of shot-hole borer (Xyleborus fornicatus) of tea. Second Annual Report of Research Conducted Under Grant Authorized by U.S. Public Law 480. Tea Research Institute of Sri Lanka, Talawakelle, Sri Lanka.

Smith, Sarah, M., Gomez Demian, F., Beaver Roger, A., Hulcr Jiri and Cognato Anthony, I. 2019. Reassessment of the Species in the Euwallacea Fornicatus (Coleoptera: Curculionidae: Scolytinae) Complex after the Rediscovery of the “Lost” Type Specimen. Insects, 10, 261.

Somasekhara, Y. M. and Wali, S. Y. 2000. Orissa J. Hortic., 28, 84- 89.

Speyer, E. R. 1917b. Shot-hole borer of tea. Tropical Agriculturist, 49: 17–21.

Storer, C., A. Payton, S. McDaniel, B. Jordal, and J. Hulcr. 2017. Cryptic genetic variation in an inbreeding and cosmopolitan pest, Xylosandrus crassiusculus, revealed using dd RAD seq. Ecology and Evolution, 7(24): 10974–10986.

Tambe, A. B. and Mote, U. N. 1997. Studies of shot-hole borer activity during different periods on pomegranate plants. Pestology, 21(6):55-59.

Thirugnanasundaran, K. 1989. A review on control methods of shot-hole borer in tea in Sri Lanka. Sri Lanka Journal of Tea Science, pp. 113–122. Conference Issue. Proceedings of the Regional Tea (Scientific) Conference, 19 –21 January 1988, Colombo, Sri Lanka.

UPASI Tea Research Foundation, 2003. Annual Report UPASI Tea Research Foundation, 76 India: UPASI Tea Research Foundation, 48-49.

Verghese, A. and Jayanthi, P. D. K. 2001. Integrated pest management (IPM) in major fruit crops. p.12-15. In: P. Parvatha Reddy, A. Verghese and N.K. Krishna Kumar (eds.), Integrated Pest Management in Horticultural Ecosystems, Capital Publishing

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Published

2023-01-30

How to Cite

The shot hole borer (Ambrosia beetle): Deciphering component in wilt complex as an emerging issue in pomegranate-A review . (2023). Indian Journal of Arid Horticulture, 4(1&2), 1–7. https://doi.org/10.48165/ijah.2022.4.1.1