Seasonal abundance of different stages of the citrus thrips,Scirtothrips aurantii, on two mango cultivars in South Africa |
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| Authors: | T Grové J H Giliomee K L Pringle |
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| Institution: | (1) ARC-Inst. for Tropical and Subtropical Crops, Private Bag X11208, 1200 Nelspruit, South Africa;(2) University of Stellenbosch, Private Bag XI, 7602 Matieland, South Africa |
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| Abstract: | The citrus thrips,Scirtothrips aurantii Faure (Thysanoptera: Thripidae), is a pest of mango in South Africa. The aim of the study was to monitor the different stages
ofS. aurantii in mango orchards throughout the year. Populations ofS. aurantii were monitored using different methods,i.e., yellow sticky traps, dispersal/emergence traps, counts on fruit and in flowers. Eggs and emergence holes on the new leaves
were recorded. The number of adults increased at the end of flowering (September) and remained at high levels until fruiting
(November). Low numbers were present from May to August. Much higher population levels were present during 1995/96 than during
the 1996/97 season. There was higher infestation present on the cultivar ‘Sensation’ than on ‘Zill’.S. aurantii was present on the fruit for only a short period (less than 10 weeks) during the season and the population was maintained
on flush that was present throughout the year. |
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| Keywords: | Citrus thrips mango yellow sticky traps dispersal/emergence traps |
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