Side-effects of azadirakhtin (NeemAzal) and flubendiamide (Takumi) on functional response of Habrobracon hebetor (Hymenoptera: Braconidae)

Rostami, Fatemeh; Zandi-Sohani, Nooshin; Yarahmadi, Fatemeh; Ramezani, Leila; Avalin Chaharsoghi, Karim

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Tarbiat Modares University Press

Journal of Crop Protection

Volume 7, Issue 3 (2018) JCP 2018, 7(3): 283-291 | Back to browse issues page

‎ 20.1001.1.22519041.2018.7.3.2.9

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Rostami F, Zandi-Sohani N, Yarahmadi F, Ramezani L, Avalin Chaharsoghi K. Side-effects of azadirakhtin (NeemAzal) and flubendiamide (Takumi) on functional response of Habrobracon hebetor (Hymenoptera: Braconidae). JCP 2018; 7 (3) :283-291
URL: http://jcp.modares.ac.ir/article-3-15785-en.html

Side-effects of azadirakhtin (NeemAzal) and flubendiamide (Takumi) on functional response of Habrobracon hebetor (Hymenoptera: Braconidae)

Fatemeh Rostami¹

, Nooshin Zandi-Sohani

¹, Fatemeh Yarahmadi¹

, Leila Ramezani¹

, Karim Avalin Chaharsoghi²

1- Department of Plant Protection, Faculty of Agriculture, Khuzestan Agricultural Sciences and Natural Resources University, Mollasani, Ahvaz, Iran.
2- Jahad Agricultural Organization of Khuzestan, Iran.

Abstract: (5614 Views)

Habrobracon hebetor Say (Hymenoptera: Braconidae) is one of the parasitoids which is used against various lepidopteran insect pests in Iran. Due to extensive application of chemical pesticides in farms, studying their side effects on natural enemies is necessary in order to evaluate their probable detrimental effects, in case of application in IPM programs. In this study, side-effects of two prevalent insecticides, flubendiamide and azadirachtin, on functional response of H. hebetor to different densities of 5th instar larvae of Ephestia kuehniella Zeller were evaluated in laboratory conditions. Host densities of 2, 4, 8, 16, 32 and 64 were exposed to randomly selected treated females of H. hebetor in Petri dishes. Ten replications were considered for each host density. The control was treated with water. The results revealed a type ΙΙ response for all treatments. This study showed that flubendiamide and azadirachtin had the lowest (0.269h) and highest values (1.822h) of handling times, respectively. Also, the highest and lowest values of searching efficiency were observed in the flubendiamide (0.188h–1) and azadirachtin (0.0396 h–1) treated wasps, respectively. According to the results of the study, flubendiamide may be more compatible with biological control agent in IPM programs.

Keywords: Behavioral Response, Botanical insecticide, Ectoparasitoid, Integrated Pest Management

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Article Type: Full Paper | Subject: Acarology (Biological Control)
Received: 2018/01/6 | Published: 2018/07/15

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