Tomato Leafminer – Tuta absoluta

Tuta absoluta is an emerging pest of tomatoes (Solanum lycopersicum) for Canada. It is recognized around the world as a serious pest of tomato production. This insect originates in South America but, in the past few years it has spread rapidly through African countries and countries of the Mediterranean Basin.

Tuta absoluta is very damaging to tomato plants and damage on tomato fruit makes it unmarketable. Although T. absoluta is a tropical pest and not expected to survive year round in Canada, it is very likely that if a Canadian greenhouse were to become infested, that T. absoluta would successfully spread to surrounding greenhouse operations during the summer months.

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