Identification and species diversity of Thripidae family in vegetable plantings in the Republic of Belarus

The family Thripidae has about 1 750 species of herbivorous thrips, of which about 230 phytophages with a wide range of host plants are registered in European countries. The areas of these insects are very extensive. Due to the rapid invasiveness, numerous populations are common to most countries and continents. Despite the quarantine measures, their area regularly increases. The paper presents the results of studies on the species composition and occurrence of phytophages of the family Thripidae in the conditions of vegetable agrobiocenoses of the Republic of Belarus. Crops have been identified – bulb onions, cabbage, cucumber of protected soil, characterized by the greatest variety of fringed-winged populations. For the first time in the republic the dominant species of thrips in industrial field agrobiocenoses – Thrips tabaci Lind. and in the conditions of cultivation facilities – Frankliniella occidentalis Perg., Frankliniella intonsa Tryb. were determined. Results of specific identification of phytophages of the Thripidae family are presented and the main distinctive morphological features of the sorts Thrips and Frankliniella are considered. Key features of morphologically close types are specified Frankliniella occidentalis Perg. and Frankliniella intonsa Tryb., prevailing on plants of a tomato and a cucumber of the protected soil, and Thrips tabaci Lind. dominating in onion and cabbage. Results of researches can become a basis for increasing knowledge of a species diversity of phytophages and reasonable implementation of actions for protection of plants.

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