• Sweta Verma Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi – 835215, India
  • Hemant Kumar Division of Entomology, ICAR- Indian Agricultural Research Institute, New Delhi-110012, India
  • Ranganathan Ramani ICAR- National Institute of Secondary Agriculture, Namkum, Ranchi, Jharkhand- 834010, India
  • Ramesh Chandra Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi – 835215, India



Kerria lacca, endosymbiont, insect-host relationship, 16S rRNA


The Indian lac insect, Kerria lacca (Kerr) (Coccoidea: Tachardiidae) is a commercially important phytosuccivorous and sessile scale insect. Lac insects are cultured on suitable host plants in India and some Southeast Asian countries to produce lac. The lac insect harbours a number of endosymbionts. Isolation of culturable microbial endosymbionts and their identification through 16S rRNA has revealed sex and host-related differences of microbial species. Bacillus boroniphilus, Enterobacter cloacae and Staphylococcus sp. were found only in the lac insects reared on the plant host Cajanus cajan, whereas Bacillus firmus, Lysinibacillus xylanilyticus, Bacillus horneckiae and Bacillus velezensis were recorded only from Flemingia macrophylla. B. firmus and L. xylanilyticus were female-specific and B. horneckiae and B. velezensis were male-specific with Flemingia macrophylla as host; E. cloacae was female-specific and Bacillus boroniphilus and Staphylococcus sp. were male specific with C. cajan. Biochemical characteristics of the isolates, their genetic relationship with their taxonomic kin and their probable role, based on the information available about these endosymbionts in other hosts, have been studied.


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Author Biographies

Sweta Verma, Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi – 835215, India

Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi – 835215, India

Ranganathan Ramani, ICAR- National Institute of Secondary Agriculture, Namkum, Ranchi, Jharkhand- 834010, India

Division of Entomology, ICAR- Indian Agricultural Research Institute, New Delhi-110012, India

Ramesh Chandra, Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi – 835215, India

Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi – 835215, India


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How to Cite

Verma, S., Kumar, H., Ramani, R., & Chandra, R. (2024). CULTURABLE ENDOSYMBIOTIC BACTERIA FROM THE INDIAN LAC INSECT, KERRIA LACCA (KERR). Indonesian Journal of Forestry Research, 11(1), 33–45.