Evidence of rapid spread and establishment of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) in semi-arid Botswana

Honest Machekano, Reyard Mutamiswa, Casper Nyamukondiwa

Research output: Contribution to journalArticlepeer-review

Abstract

Tuta absoluta (Meyrick), a major invasive pest of Solanaceous plants, was recently detected in Botswana. Abiotic and biotic factors, together with a suite of population demographic traits are likely key for species propensity and invasion success. First, we determined the movement of T. absoluta from its core detection centre to new invasion areas using pheromone baiting and established likely biotic dispersal drivers. Second, we measured thermal tolerance vis critical thermal limits and lower and upper lethal limits to determine how these traits shape population establishment.
Original languageEnglish
Article number 48
JournalAgriculture and Food Security
Volume7
Issue number1
DOIs
Publication statusPublished - Jul 17 2018

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