Short Communication


, Volume 159, Issue 1, pp 23-29

First online:

The susceptibility of immature stages of Bemisia tabaci to the entomopathogenic fungus Lecanicillium muscarium on tomato and verbena foliage

  • Andrew G. S. CuthbertsonAffiliated withCentral Science Laboratory Email author 
  • , Keith F. A. WaltersAffiliated withCentral Science Laboratory
  • , Phil NorthingAffiliated withCentral Science Laboratory

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Lecanicillium muscarium is a widely occurring entomopathogenic fungus. Laboratory studies were conducted to determine the efficacy of L. muscarium against different instars of Bemisia tabaci on tomato and verbena foliage after two incubation times (3 and 7 days). Significant reduction in B. tabaci numbers were recorded on fungus treated plants (p < 0.001). Second instar B. tabaci proved most susceptible to L. muscarium infection. There was no significant difference in mortality of B. tabaci second instars after either 3 or 7 days exposure to L. muscarium on either host plant. The importance of the speed of pest mortality following treatment and the potential of L. muscarium to be incorporated into an integrated pest management strategy for the biocontrol of B. tabaci on tomato and verbena plants are discussed.


Bemisia tabaci biological control entomopathogenic fungi Lecanicillium muscarium Verticillium lecanii