MEHAOUA, M.S. University Mohamed Kheider - Department of Agronomy, Algeria , HADJEB, A. University Mohamed Kheider - Department of Agronomy, Algeria , BELHAMRA, M. University Mohamed Kheider - Department of Agronomy, Algeria , OUAKID, M. L. University Badji Mokhtar - Department of Biology, Algeria

INFLUENCEOF TEMPERATURE ONSEASONALABUNDANCE OF Ectomyelois ceratoniae Zeller,1839 (LEPIDOPTERA, PYRALIDAE) IN TOLGA PALM GROVE

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The purpose of this paper is the study of temperature impact on the population of carob moth seasonal abundance (Ectomyelois ceratoniae Zeller)in a palm of Tolga (Biskra) during 2010. The monitoring of the adult flight moth fluctuation using pheromone traps allowed us to see the presence of two successive and non-overlapping generations during the year. Our results also show that the records of minimum temperatures are significantly and positively correlated to the records of individuals trapped in Winter and Autumn while it has a weak negative and significant effect in Summer (R2 = 0.428, P 0.015) and no significant action in Spring (R2 = 0.274, P 0.066). Furthermore, the maximum and average temperature have a significant positive effect during winter and autumn period, but they have a significant and negative influence in summer and spring. In addition, the combined action of maximum and minimum temperatures revealed a significant effect on the adult flight of the carob moth throughout the year.

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Ectomyelois ceratoniae , date palm , seasonal abundance , pheromone trap , temperature

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