[38] [39] . In some cases, the females may even stop the oviposition in the absence of the male [40] .

In the present study, the maximum daily oviposition of P. macropilis was 1.76 eggs. This value may be considered low because the females were confined in arenas during eight days in the absence of the male, which was a necessary procedure to conduct the experiment to quantify only the adult female predatory activity alone.

The increase of the predatory mite oviposition in response to the increase in the prey density can contribute in the efficacy of biological control, allowing an increase in the predatory mites’ population. This is a favorable condition for P. macropilis because this mite, in general, is considered more efficient at high populations of the pest mites [41] .

5. Conclusion

The obtained results allow concluding that all post-larval developmental stages of P. macropilis are efficient to kill all phases of T. urticae developmental cycle and with a type II functional response.


To the Conselho Nacional de Desenvolvimento Científico e Tecnológico―National Council for Scientific and Technological Development―CNPq for the financial support and the fellowships granted.

Conflicts of Interest

The authors declare no conflicts of interest.


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