Life Cycle and Population Growth Parameters of Cryptolaemus montrouzieri Mulsant (Col.: Coccinellidae) Reared on Planococcus citri (Risso) (Hem.: Pseudococcidae) on Coleus

  • Samira Ghorbanian
  • Hossein Ranjbar Aghdam Dr.
  • Hamid Ghajarieh
  • Hasan Malkeshi
Keywords: Cryptolaemus montrouzieri, Planococcus citri, Coleus, life cycle, population growth parameters

Abstract

Life cycle parameters were estimated for development, longevity, fecundity and oviposition period, of the mealybug predator, Cryptolaemus montrouzieri Mulsant (Col.: Coccinellidae) fed on Planococcus citri (Risso) (Hem.: Pseudococcidae) reared on coleus plant, Solenostemon scutellarioides (L.) Codd.. All experiments were conducted in laboratory at temperature 27 ± 1ºC , 65 ± 5% RH and a photoperiod of 16:8 (L:D) hours. The incubation period, total larval period, pre-pupal and pupal period of C. montrouzieri were 3.945 ± 0.047, 12.993 ± 0.498, 2.432 ± 0.071 and 7.791 ± 0.103 days, respectively. The pre-oviposition, oviposition and post-oviposition period of C. montrozieri were 5.60 ± 0.187, 70.375 ± 2.920 and 2.875 ± 0.360 days, respectively. Population growth parameters calculated from the data are: the intrinsic rate of increase (rm) = 0.092 ± 0.002, the finite rate of increase (λ), the net reproduction rate (R0), the mean generation time (T) and the doubling time (DT) of C. montrouzieri were, 1.097 ± 0.002 d–1, 125.339 ± 5.136 females / female, 52.356 ± 1.306 days and 7.511 ± 0.161 days, respectively.

Published
2011-07-12
How to Cite
Ghorbanian, S., Aghdam, H., Ghajarieh, H., & Malkeshi, H. (2011). Life Cycle and Population Growth Parameters of Cryptolaemus montrouzieri Mulsant (Col.: Coccinellidae) Reared on Planococcus citri (Risso) (Hem.: Pseudococcidae) on Coleus. Journal of the Entomological Research Society, 13(2), 53. Retrieved from http://www.entomol.org/journal/index.php/JERS/article/view/262
Section
Journal of the Entomological Research Society