Abstract
BackgroundThe potential effects of two parameters of climatic change conditions (temperature and relative humidity) on the population dynamics of the olive fly across the two ecological areas in Egypt were studied. The olive trees in El-Behera Governorate are more affected by the olive fly compared to the olive trees in the orchard of El-Fayoum Governorate. In this study, the character of climate change in influencing the dynamics of insect population and associated parasites was discussed at the regional level.ResultsThe results exhibited that the olive trees in the coast governorate were more susceptible to the olive fly than the inner governorate. The parasitism percentage was recorded 41.7 and 46.4% at the beginning of the seasons 2016 and 2017, respectively in El-Fayoum Governorate. In El-Behera Governorate, the maximum parasitism percentage was recorded 49.5% (2016 season), while the 2017 season, the parasitism percentage was recorded 50.4%. The majority of the ordinary parasite was Psyttalia concolor in the two regions.ConclusionThe study clarifies that there is a positive correlation between B. oleae abundance and the effects of temperature and its parasitoid, Psyttalia concolor. Further, there is no significance found between the olive fly and relative humidity and its parasitoid populations.
Highlights
The potential effects of two parameters of climatic change conditions on the population dynamics of the olive fly across the two ecological areas in Egypt were studied
Population of Bactrocera oleae and its larval parasitoid under prevailing climatic changes B. oleae was survived in bitter winters as pupae in the soil while adults used the groves in top of olive tree as a shelter
The results show that the olive trees in El-Behera farm are more susceptible to olive fly than in El-Fayoum farm
Summary
The potential effects of two parameters of climatic change conditions (temperature and relative humidity) on the population dynamics of the olive fly across the two ecological areas in Egypt were studied. The character of climate change in influencing the dynamics of insect population and associated parasites was discussed at the regional level. Bactrocera oleae (Rossi) (Diptera: Tephritidae), is the majority fatal insect pest for the cultivated olive fruits (Olea europaea L.) worldwide. The aim of work is to study the relationship between the population dynamics of the olive fly, Abd El-Salam et al Bulletin of the National Research Centre (2019) 43:173. Bactrocera oleae (Rossi) and efficacy of its parasitoid, Psyttalia concolor under the climatic changes in two different regions. The olive fruit flies caused grave qualitative and quantitative damage to the olive tree cultivation and consequences with economic and monetary losses (Neuenschwander and Michelakis 1979; Economopoulos et al 1986; Pontikakos et al 2012; Abd El-Salam et al 2019). Kapatos and Fletcher (1986) stated that the olive fruit flies survive in more
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
