Have you seen Poinsettia Thrips in your greenhouse?
If you detect, or suspect that you have seen Poinsettia thrips, please immediately contact MPI on 0800 80 99 66.
Poinsettia Thrips are 1.7mm in length and have a pale band across the body.
In August 2017, Echinotrhips americanus were detected in one Auckland greenhouse. We are asking for growers' help to determine if they have spread.
Poinsettia thrips are an Unwanted Organism in New Zealand, and can feed on a wide range of host plants, causing damage to greenhouse crops such as house plants and cut flowers, capsicums and tomatoes.
This species is already widespread throughout the USA, and parts of Europe and Asia.
Poinsettia thrips cause mechanical chewing and feeding damage to host plants, particularly on older leaves.
Greenhouse plants with woody stems (e.g. houseplants) seem to be more affected than softer stemmed plants such as vegetables.
From overseas experience, it seems they are not likely to add to the pest burden for capsicums, cucumber, eggplant, tomato and leafy green production.
Due to New Zealand’s cooler climate, we understand that Poinsettia thrips will not survive outside greenhouses.
So far, we have not detected Pointsettia thrips in any other part of New Zealand.