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Meng X, Hu J, Ouyang G. (2017) The isolation and identification of pathogenic fungus from the diseased Tessaratomapapillosa Drury (Hemiptera: Tessaratomidae) and their pathogenicity. PeerJ Preprints5:e2851v1https://doi.org/10.7287/peerj.preprints.2851v1
Background. Litchi stink-bug, Tessaratoma papillosa Drury (Hemiptera: Tessaratomidae) is a major pest on litchi and longan in Southern China. It is urgent to develop valid biological agent for control the pest and improve IPM strategy on orchard farming. Entomopathogenic fungi was regarded as avital ecological factor pressing pest populations in field, however, there were fewer searches conducted on entomopathogenic fungi against litchi stink-bug. Methods & Results. In this study, two pathogenic fungus were isolated from the adult diseased T. papillosa by normal methods and rDNA-ITS homogeneous analysis, they are identified as Paecilomyces lilacinus and Beauveria bassiana. Laboratory tests showed that the two entomopathogenic fungi both had a good lethal effect to young nymph and old nymph of T. papillosa. The toxicity determination showed that the LC50 value for Beauveria bassiana was higher than P. lilacinus. Conclusion.These pathogenic fungus did not have the risk of pollution or residue, and they can be a alternative option for integrated pest management approache.
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