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- Title
Control of primary reproductives of Microtermes spp. in soil treated with Galleria cadavers infected with Heterorhabditis indica.
- Authors
MOHAN, Sharad; UPADHYAY, Akanksha; GUPTA, Ritu
- Abstract
The virulence of entomopathogenic nematodes (EPN) to the primary reproductives – alates and dealates – of Microtermes spp. was examined. Mortality in alates was observed in 18 h in the filter paper bioassay to test the relative virulence of infective juveniles (IJ) of Heterorhabditis indica and Steinernema abbasi. The LD50 for H. indica was achieved with 5.11 IJ alate−1at 60 h, while for S. abbasi it was attained at 72 h with 6.91 IJ alate−1. Both nematodes completed their life cycle in the alates with an average production per cadaver of 3245 IJ and 2349 IJ for H. indica and S. abbasi, respectively, at an infection dose of 30 IJ alate−1. Thus H. indica was selected for the soil assay. The soil was implanted with H. indica-infected cadavers of Galleria mellonella.Within 72 h 100% mortality was observed in the dealates. Successful recycling of nematodes in the termite cadavers reinforced the suitability of H. indica for the biological control of primary reproductives.
- Subjects
INSECT nematodes; VIRULENCE of nematodes; GREATER wax moth; STEINERNEMA; SOIL nematodes; BIOLOGICAL control of nematodes; REPRODUCTION
- Publication
Nematology, 2016, Vol 18, Issue 9, p1113
- ISSN
1388-5545
- Publication type
Article
- DOI
10.1163/15685411-00003019