alexa Toxic Effect of Some Plant Extracts on the Mortality of Flour Beetle <em>Tribolium confusum</em> (Duval) (Coleoptera: Tenebrionidae) | OMICS International | Abstract
ISSN: 2161-0983

Entomology, Ornithology & Herpetology: Current Research
Open Access

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Research Article

Toxic Effect of Some Plant Extracts on the Mortality of Flour Beetle Tribolium confusum (Duval) (Coleoptera: Tenebrionidae)

Wand Khalis Ali1* and Hena Hashim Mohammed2

1Biology Department, College of Education, Salahaddin University, Iraq

2Biology Department, College of Science, Salahaddin University, Iraq

*Corresponding Author:
Wand Khalis Ali
College of Education, Salahaddin University, Iraq
Tel: 009647504899859
E-mail: [email protected]

Received date: December 24, 2013; Accepted date: December 26, 2013; Published date: December 30, 2013

Citation: Ali WK, Mohammed HH (2013)Toxic Effect of Some Plant Extracts on the Mortality of Flour Beetle Tribolium confusum (Duval) (Coleoptera: Tenebrionidae). Entomol Ornithol Herpetol 2:115. doi: 10.4172/2161-0983.1000115

Copyright: © 2013 Ali WK, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The study was carried out in the Entomology Laboratory of the Department of Biology, College of Science, Salahaddin University, Erbil, Kurdistan Region, and Iraq. Methanol extracts of six local plants (Anethum graveolens, Apium graveolens, Eucalyptus glauca, Malva parviflora, Mentha longifolia and Zingiber officinale) were studied for their toxicity effect on mortality of the last larval stage of Tribolium confusum by assessing the mortality value of the larvae for different plant extracts and different exposure times (1-5 hrs) and estimating the value of LT50 for each plant extract. The mortality were varying from plant to plant as follows: Anethum graveolens reached its maximum value of 56.67% at 4.5 hrs, for Eucalyptus glauca it was 90% at 2 hrs., for Apium graveolens it was 93.33% at 5 hrs exposure and Mentha longifolia it was 93.33% at 4 hrs, while for Malva parviflora reached 96.67% at 3 hrs, and for Zingiber officinale reached its maximum value of 100% at 2 hrs. The LT50 values for T. confusum ranged from 1.111 for Zingiber officinale to 3.146 for Anethum graveolens whiles the obtained LT50 values were 2.451, 1.392, 1.364 and 1.143 for Apium graveolens, Mentha longifolia, Malva parviflora and Eucalyptus glauca respectively. The results indicate that Zingiber officinale was the most toxic plant and Anethum graveolens the least toxic.

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