Predation Capacity of the Banded Thrips Aeolothrips intermedius for the Biological Control of the Onion Thrips Thrips tabaci

Autor: Linda Abenaim, Stefano Bedini, Alessio Greco, Paolo Giannotti, Barbara Conti
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Insects, Vol 13, Iss 8, p 702 (2022)
Druh dokumentu: article
ISSN: 2075-4450
DOI: 10.3390/insects13080702
Popis: The onion thrips, Thrips tabaci, is a main insect pest for many field crops worldwide, with a particular preference for the species of the genus Allium. Aeolothrips intermedius is a banded thrips, whose larvae are considered the primary native predator of T. tabaci. Due of their predatory behaviour, A. intermedius larvae are considered a good candidate for biological control against thrips pests. However, limited information is available on the specific predation rate of A. intermedius against T. tabaci. The aim of our study was to evaluate the predatory efficiency of A. intermedius larvae against T. tabaci adults. Predation assays, performed under laboratory conditions, indicated that A. intermedius larvae begin to prey after an average of about 23 min, and the time taken by an A. intermedius larva to capture and subdue the prey until its death is about 26 min. Furthermore, the maximum number of prey that the A. intermedius larvae are able to kill in 12 h is up to eight adults of T. tabaci/A. intermedius larva.
Databáze: Directory of Open Access Journals
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