Abstract

The Black Sea coast of Russia is a recipient region for many alien insect pests. In 2018, we detected an invasive woolly whitefly Aleurothrixus floccosus (Maskell) (Homoptera: Aleyrodidae) attacking citruses in the agrocenoses and ornamental plantations in the region of Sochi. Furthermore, we clarified the secondary range of an alien whitefly, Aleuroclava aucubae (Kuwana) (Homoptera: Aleyrodidae) in the humid subtropics of Russia. Another plant-sucking invader, the western conifer seed bug Leptoglossus occidentalis Heidemann (Heteroptera: Coreidae) was revealed in the Black Sea coast of Crimea in 2019. Further distribution and trophic associations of these novel alien pests are discussed.

Highlights

  • Electronic Conference on Entomol-The invasions of alien species are recognized as a global threat [1,2]

  • The aim of our study was the early detection of novel alien insect pests, the monitoring of the invaders that have already established their populations, and determination of their trophic associations on the Black Sea coast of Russia

  • The discovered species was identified as woolly whitefly Aleurothrixus floccosus (Maskell) (Homoptera: Aleyrodidae) (Figure 1)

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Summary

Introduction

The invasions of alien species are recognized as a global threat [1,2]. More and more alien species became known as serious pests in agriculture and forestry in different countries around the world [8], including Russia [9]. The Black Sea coast of Russia, with its mild climate, is one of the main recipient regions of invasive alien insect species in the country. The first documentation of alien phytophagous insects refers to the end of the XIX century that, coincided with the period of active introduction of fruit and ornamental subtropical plants [10]. Since the end of the XX century, the number of alien organisms intercepted in the region has notably increased.

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