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Plantwise Factsheets for Farmers

Thrips on Mango

Selenothrips rubrocinctus; Scirtothrips aurantii
Kenya

Recognize the problem

The adult thrip is an insect which is dark brown to black and just over 1 mm long. The nymphs (young thrips) are cream yellow with two bright red bands around their body.
The nymphs and the adult feed by rubbing and sucking the sap from the surface, dropping faeces onto the surface and leaving a dark rusty stain. They also feed on young fruits leaving permanent, rough, greyish, scars which makes the fruits unmarketable on maturity.

Background

Thrips can survive on many different plants. They can also be eaten or killed by predatory mites and some bugs. The adults can be carried long distances by wind.

Management

Non-chemical control
  • Conserve natural enemies. Predatory thrips and mites, flower bugs, and other natural enemies are important in control of thrips.
Chemical control
  • If spraying is practical in your orchard, insecticides that can be used include Abamectin, Azadirachtin, Deltamethrin, Lambda-cyhalothrin and Lufenuron.

When using a pesticide, always wear protective clothing and follow the instructions on the product label, such as dosage, timing of application, and pre-harvest interval.

The recommendations in this factsheet are relevant to many countries where this pest or problem is present

Authors: This factsheet is based on information written for "The Mango Farming Handbook", first published by KENGAP Horticulture 2011.
Kengap Horticulture Ltd, P.O Box 12898-00400 Nairobi, Kenya
tel: +254 722 575544; +254 723 491549 email: books@kengap.co.ke; www.kengap.co.ke
©CAB International. Published under a CC-BY-SA 4.0 licence.

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