Volume 9, Issue 4 (2020)                   JCP 2020, 9(4): 637-649 | Back to browse issues page

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Joodaki R, Zandi Sohani N, Zarghami S, Yarahmadi F. Reproductive and developmental parameters of Aenasius bambawalei (Hymenoptera: Encyrtidae) as affected by temperature. JCP. 2020; 9 (4) :637-649
URL: http://jcp.modares.ac.ir/article-3-36991-en.html
1- Department of Plant Protection, Faculty of Agriculture, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Iran.
2- Department of Plant Protection, Faculty of Agriculture, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Iran. , nzandisohani@yahoo.com
3- Date Palm and Tropical Fruits Research Center, Horticultural Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Ahwaz, Iran.
Abstract:   (204 Views)
The life table parameters of the parasitoid wasp, Aenasius bambawalei Hayat (Hym.: Encyrtidae) were studied at 25, 30, and 35 °C, 65 ± 5% R. H. and 14L: 10D h. Third instar nymphs of Pseudococcus solenopsis Tinesly (Hem.: Pseudococcidae) were used as host for the wasp. Adult longevity and preoviposition period of female wasps were assessed and the raw data were analyzed using the age-stage, two-sex life table. According to the results, the total preovipostion period of females was 17 days at 25 °C and decreased to 13.07 days at 35 °C. The highest and lowest longevity was recorded for females at 25 °C (40.12 days) and males at 35 °C (3.71 days), respectively. The intrinsic rates of increase (r) of A. bambawalei were 0.1192, 0.1599, 0.2142 d-1 at 25, 30 and 35 °C, respectively. The net reproductive rate (R0) was calculated to be 38.04, 55.30, and 81.22 eggs/individual at 25, 30 and 35 °C, respectively. The mean generation time (T) of A. bambawalei ranged from 20.52 days at 35 °C to 30.52 days at 25 °C. Our results suggested that A. bambawalei may be a more efficient biological control agent for P. solenopsis at 35 °C than at 25 and 30 °C.
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Article Type: Original Research | Subject: Insect Biological Control
Received: 2019/10/2 | Accepted: 2020/07/25 | Published: 2020/08/16

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