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- Title
Predation activity of ants (Hymenoptera: Formicidae) on sugar beet insect pests.
- Authors
Ibrahim, Amira SH. M.
- Abstract
The role of ants as important predators for a wide range of insect pests has not received much attention in Egyptian fields. Thus, this study was carried out for evaluating the role of predatory ants in controlling sugar beet insect pests during two successive seasons 2017/2018 and 2018/2019. Data showed that population densities of insect pests and predatory ants started low and tended to increase at the end of the season. Predatory ants were the highest representation by 27.03 and 30.53% out of the total in the first and second seasons, respectively. Statistical analysis demonstrated that high significant correlations were recorded between predatory ants’ number and the total number of all studied sugar beet insect pests in both seasons. Results of the visual observation method indicated that the various fed by predatory ants in sugar beet fields. Concerning the most preferred prey species, Hemiptera was the highest consumption by predatory ants (36.59 and 33.70% out of total) in the first and second seasons, respectively. Then, Lepidoptera (18.90%) and Coleoptera (14.02%) occupied the second and third positions in the first season. While in the second season, Coleoptera formed 27.17% out of the total followed by Lepidoptera which formed 21.20% out of the total. The following ranks occupied by without arranging Diptera, Thysanura, and Collembola with12.19, 4.87, and7.31%outoftotal,respectivelyin 2017/2018 season. They recorded 5.98, 5.43 and2.17%outoftotal,respectivelyin 2018/2019 season. Whereas Prostigmata (Arachnida) occupied the last position in both seasons with 5.48 and 1.63% out of total, respectively.
- Subjects
HYMENOPTERA; SUGAR beets; INSECT pests; PREDATORY insects; INSECT population density; ANTS; PREDATION
- Publication
Egyptian Journal of Experimental Biology (Zoology), 2020, Vol 16, Issue 1, p7
- ISSN
2090-0511
- Publication type
Article
- DOI
10.5455/egysebz.20200206034408