A survey of thrips (Thysanoptera) and their host plants was conducted between April 2006 and April 2009 on the campus of INRA Sophia Antipolis in Southern France. It was focused on 1,850 samples in which 11,617 thrips were identified on 108 plant species from 98 genera and 42 families. The majority of thrips collected belonged to the sub-order Terebrantia and to the Thripidae family. Two other families, Aeolothripidae and Melanthripidae, amounted to 9% of the total. The six most common thrips species were found on more than 30 plant species. Thrips tabaci Lindeman was found on 99 different plant species and was the most abundant species in summer (38%). It disappeared as soon as the temperatures dropped in autumn. It was replaced in winter by T. major Uzel (14% of thrips collected). Frankliniella occidentalis Pergande, the species that prevails in the region’s greenhouses (only 3.2% of thrips collected), was present only with very few individuals in the vegetation outside the adjacent greenhouses. About 54% of the infested plants were herbaceous annuals or biannuals, whereas 46% were woody perennial plants. Few thrips species occurred only on one plant species. The big majority occurred on several plant species simultaneously, or on different plant species in the annual course. Our study shows that Thysanoptera species occur on a wide range of host plants without causing overinfestations in the natural vegetation. However, protected crops in neighbouring greenhouses are easily infested by some of the thrips from the adjacent vegetation

Diversity of Thysanoptera species and associated host plants in Southern France

Antonio BIONDI
Membro del Collaboration Group
;
2017-01-01

Abstract

A survey of thrips (Thysanoptera) and their host plants was conducted between April 2006 and April 2009 on the campus of INRA Sophia Antipolis in Southern France. It was focused on 1,850 samples in which 11,617 thrips were identified on 108 plant species from 98 genera and 42 families. The majority of thrips collected belonged to the sub-order Terebrantia and to the Thripidae family. Two other families, Aeolothripidae and Melanthripidae, amounted to 9% of the total. The six most common thrips species were found on more than 30 plant species. Thrips tabaci Lindeman was found on 99 different plant species and was the most abundant species in summer (38%). It disappeared as soon as the temperatures dropped in autumn. It was replaced in winter by T. major Uzel (14% of thrips collected). Frankliniella occidentalis Pergande, the species that prevails in the region’s greenhouses (only 3.2% of thrips collected), was present only with very few individuals in the vegetation outside the adjacent greenhouses. About 54% of the infested plants were herbaceous annuals or biannuals, whereas 46% were woody perennial plants. Few thrips species occurred only on one plant species. The big majority occurred on several plant species simultaneously, or on different plant species in the annual course. Our study shows that Thysanoptera species occur on a wide range of host plants without causing overinfestations in the natural vegetation. However, protected crops in neighbouring greenhouses are easily infested by some of the thrips from the adjacent vegetation
2017
Thrips survey, Population dynamics, Host plants, Thrips tabaci, Frankliniella occidentalis.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11769/320345
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