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Mango Spider Mite

Mango Spider Mite

Oligonychus mangiferus


In a Nutshell

    Dark red mites feed on upper area of the leaves, alongside the midrib and secondary veinsInfected areas turn reddish-brownLeaves wilt and finally drop

Hosts: %1$s

· Mango


The feeding of O. mangiferus is mainly restricted to the upper part of leaves and the midrib. Later on, they also feed on the secondary veins. The areas alongside the veins turn reddish-brown. The body of the female is dark red with darker dorsal spots, about 0.35-0.45 mm in size. The male is also dark red but slightly smaller. Feeding on mango leaves causes wilting, then reddening and finally dropping, thereby reducing tree yield.


This mite lives and feeds mostly on the upper leaf surface, where it spins delicate silk threads in which dust may gather. The pest prefers to settle on leaves at the upper levels of trees, even though it can also be found at the middle and bottom foliage. A female produces 20-35 eggs, which are able to overwinter in the orchard's grove. The mites life cycle is completed in about two weeks. The sex ratio is 1:4 men to females.

Biological Control

The pest is attacked by various predators of the families Phytoseiidae and Stigmaeidae, as well as coccinellids, but the extent of the control depends on environmental conditions. Water mixed with soap, pyrethrum solutions or flour can also decimate mite populations.

Chemical Control

Always consider an integrated approach with preventive measures together with biological treatments if available. Acaricides, such as avermectin, applied in winter may control the pest. The pest can also be controlled by spraying wettable sulphur 3g / litre of water or diafenthiuron 1 ml / l of water.

Preventive Measures

    Regularly monitor the orchard for mite infestations as they may occur very rapidlyPruning and removing old, infested inflorescences can reduce mite numbersKeep the orchard free of weeds, which may be secondary host plants for mitesImmediately remove plant residues after harvest