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Larvicidal Activity of some Bacterial Insecticides and Insect Growth Regulators against Mosquito Larvae of Aedes aegypti (L.)

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Last updated: 22 Jan 2023

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Abstract

The biological effects of the bacterial insecticides Bacilod, VectoLex and Spinosad as well as the insect growth regulators (IGRs) Baycidal, Sumilarv and Dudim against mosquito larvae of Aedes aegypti have been evaluated. According to LC50 values (concentration which to kill 50% of larvae), the bioinsecticide Spinosad (0.011 ppm) proved to be the most effective compound, followed by Bacilod (0.11 ppm) and VectoLex (0.38 ppm). Taking IC50 values (concentration which to inhibit the emergence of 50% of adults) into consideration, mosquito larvae of A. aegypti were more susceptible to the IGR Dudim (0.00056 ppm) than Baycidal (0.0007 ppm) and Sumilarv (0.0042 ppm) by about 1.25 and 7.5 folds, respectively. Variations in the susceptibility status of the present mosquito larvae may be attributed to the differential mode of action of the test compounds and its effective concentrations. On the other hand, larval treatments with sublethal concentrations of the above insecticides led to a reduction in the egg production and hatchability of eggs produced by mosquito females that developed from surviving larvae.
 

DOI

10.21608/asejaiqjsae.2014.2816

Keywords

Aedes aegypti, bacterial insecticides, Insect Growth Regulators, susceptibility tests, reproductive potential

Authors

First Name

A. A.

Last Name

Almadiy

MiddleName

-

Affiliation

Dept. of Biological Science, Fac. of Sciences,King Abdul Aziz Univ., Jeddah, KSA.

Email

diptera2012@gmail.com

City

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Orcid

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First Name

M.S.

Last Name

Saleh

MiddleName

-

Affiliation

Present address: Dept. of Applied Entomology, Fac. of Agric., Alexandria Univ., Alex. Egypt.

Email

dipter2012@gmail.com

City

-

Orcid

-

First Name

A.A.

Last Name

Alsagaf

MiddleName

-

Affiliation

Dept. of Biological Science, Fac. of Sciences,King Abdul Aziz Univ., Jeddah, KSA.

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City

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Orcid

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Volume

35

Article Issue

OCTOBER- DECEMBER

Related Issue

489

Issue Date

2014-12-01

Receive Date

2014-10-20

Publish Date

2014-12-30

Page Start

256

Page End

262

Print ISSN

1110-0176

Online ISSN

2536-9784

Article File

ASEJAIQJSAE_Volume 35_Issue OCTOBER- DECEMBER_Pages 256-262.pdf

PDF . 243.3kB

Link

https://asejaiqjsae.journals.ekb.eg/article_2816.html

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https://asejaiqjsae.journals.ekb.eg/service?article_code=2816

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2

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Original Article

Type Code

53

Publication Type

Journal

Publication Title

Alexandria Science Exchange Journal

Publication Link

https://asejaiqjsae.journals.ekb.eg/

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Article

Created At

22 Jan 2023