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Life history and life table analysis of the predator Hyperaspis polita (Coccinellidae) on the mealybug Nipaecoccus viridis (Pseudococcidae)

  • Zohreh Farhadi
  • Mehdi EsfandiariEmail author
  • Mohammad Saeed Mossadegh
  • Parviz Shishehbor
Original Article


The ladybird Hyperaspis polita (Coleoptera: Coccinellidae) occurs in the coastal areas of East Mediterranean and dry lands in southwest Asia. It is one of the important predatory coccinellids in southern Iran including Khuzestan Province. In this study, we examined life history traits and life table parameters of H. polita fed on the important citrus pest Nipaecoccus viridis (Pseudococcidae) in the laboratory, using the age-stage, two-sex life table. Experiments were performed under controlled conditions (25 and 30 ± 1 °C, 65 ± 5% RH and 14:10 h, L: D). Total preadult developmental period was significantly shorter at 30 (30.5 d (days) males, 30.1 d females) compared to 25 °C (40.0 d males, 40.4 d females). The oviposition period was not significantly different at both examined temperatures. However, the mean female fecundity for the total life span ranged from 180 to 368 eggs at 25 and 30 °C, respectively. The values for the intrinsic rate of increase (r = 0.089 d−1), finite rate of increase (λ = 1.093 d−1), and net reproductive rate (R0 = 102.6) were higher at 30 °C. On the other hand, the mean generation time (T) was shorter for the cohort reared at 30 (51.9 d) than at 25 °C (86.2 d). When literature on H. polita is considered, we suggest N. viridis as suitable host species for efficient mass-rearing of H. polita in the insectary in Khuzestan.


Two-sex life table Fecundity Intrinsic rate of increase Survival rate Mass-rearing 



This research was financially supported by grants to M. Esfandiari from the Shahid Chamran University of Ahvaz. We also thank Asghar Babamir for assistance with the experiments.

Compliance with ethical standards

We confirm that this manuscript has been read and approved by all named authors and that there are no other persons who satisfied the criteria for authorship but are not listed. We further confirm that the order of authors listed in the manuscript has been approved by all of us.

We confirm that we have given due consideration to the protection of intellectual property associated with this work and that there are no impediments to publication, including the timing of publication, with respect to intellectual property. In so doing we confirm that we have follow the regulations of our institutions concerning intellectual property.

We understand that the Corresponding Author is the sole contact for the Editorial process (including Editorial manager and direct communications with the office). He is responsible for communicating with the other authors about progress, submissions of revisions and final approval of proofs.

Conflict of interest

The authors confirm that there are no known conflicts of interest associated with this publication and there has been no significant financial support for this work that could have influenced its outcome.


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Copyright information

© Institute of Zoology, Slovak Academy of Sciences 2019

Authors and Affiliations

  • Zohreh Farhadi
    • 1
  • Mehdi Esfandiari
    • 1
    Email author
  • Mohammad Saeed Mossadegh
    • 1
  • Parviz Shishehbor
    • 1
  1. 1.Department of Plant Protection, Faculty of AgricultureShahid Chamran University of AhvazAhvazIran

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