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Environmental Effect on the Biological Behavior of The Cucurbit Beetle Epilachna chrysomelina in Al-Qunfudah Province-Saudi Arabia

Saleh A. Aldigail1*, Ahmed I. Alsaggaff1, Osama M. Bahareth2and Abbas M. Al-Azab1

1Department of Biological Science, King Abdul-Aziz University, Jeddah

2Department of Biology, Faculty of Sciences, Umm Al-Qura University, Makkah, Saudi Arabia (KSA)

DOI:http://dx.doi.org/10.12944/CWE.8.2.10

Epilachna chrysomelina(Coleoptera: Coccinellidae) is a phytophagous insect with an economic importance damaging the agricultural crops. The Melon Ladybird Beetle,E. Chrysomelinais one of the major phytophagous insects that feed on cucurbit plants. It is considered an economic pest in agriculture and multi-habitat insect widely distributed throughout the world. The insect is abundant in the southern region of Saudi Arabia and choose the most favourable conditions for its life cycle completion. It prefers humid habitats with optimum temperature degrees. The generations of the insect are affected by changes in environmental conditions and its numbers increase or decline according to variation in temperature and relative humidity (RH). These factors play an important role in changing its biological behaviour particularly feeding, breeding, reproduction and development of its generations. There were significant differences between the different developmental stages in the periods of time of their development.

Al- Qunfudah; Behavior; Environmental; Epilachna Chrysomelina; Saudi Arabia

Copy the following to cite this article:

Aldigail S. A, Ahmed I. A, Bahareth O. M, Abbas M. A. Environmental Effect on the Biological Behavior of The Cucurbit Beetle epilachnachrysomelina in Al-Qunfudah Province-Saudi Arabia. Curr World Environ 2013;8(2) DOI:http://dx.doi.org/10.12944/CWE.8.2.10

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Aldigail S. A, Ahmed I. A, Bahareth O. M, Abbas M. A. Environmental Effect on the Biological Behavior of The Cucurbit Beetle epilachnachrysomelina in Al-Qunfudah Province-Saudi Arabia. Curr World Environ 2013;8(2). Available from://www.a-i-l-s-a.com?p=435/

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