Mango Hoppers


Mango Hoppers

Idioscopus spp.


In a Nutshell

    Nymphs and adults suck phloem sap and reduce plant productivityLeaves, flowers and twigs may turn brown and dry upExcretions of mango hoppers attract other insects and favor the growth of sooty mold

Hosts: %1$s

· Mango


Nymphs and adults of Idioscopus species suck phloem sap from twigs, inflorescences, tender leaves and fruits. Affected plant tissue turns brown, and may deform and dry up. Young flowers fail to develop, thereby influencing fruit set and development. While feeding on mango trees the hoppers produce sugary fluids (honeydew) that attract other insects and present an ideal culture medium for the growth of sooty mold. The fungal growth on leaves affects photosynthesis, impacting tree vigor and reducing its productivity. Mango hoppers lay their eggs into the leaves and flower stems of mango trees, which may also cause damage to the tissues. Mango hoppers can become a serious pest, with crop losses of up to 50%.


Mango leafhoppers usually feature a wedge-like shape with a broad, round head, and globular eyes. Adults are golden or dark brown and about 4-5mm long. Nymphs are yellow-brown, with red eyes. Mango hoppers lay their eggs singly in the florets, leaf veins and leaf lamina, depending on the species. Between 100 and 200 eggs may be laid. They prefer shade environments with high humidity. Adult hoppers are good fliers and spread rapidly over short distances. Transport of nursery plants may spread the insects to other orchards or areas. Old, neglected or closely planted orchards are favorable for their multiplication.

Biological Control

Biological control agents such as the predators Mallada boninensis and Chrysopa lacciperda and the egg parasite Polynema sp. can reduce hopper populations. Alternatively, affected mango trees can be treated with oil-based sprays containing the fungi Beauveria bassiana or Metarhizium anisopliae. Treatment at rates of 2-3 times per week is recommended. Sprays based on neem oil (3%) can also reduce Idioscopus spp. populations by up to 60%.

Chemical Control

Always consider an integrated approach with preventive measures together with biological treatments if available. Use sprays containing imidacloprid (0.3%), endosulfan (0.5%) and cypermethrin (0.4%), these have proven highly effective. Insecticides containing dimethoate can be sprayed or injected into the trunk. Two sprays, 7 days apart, are recommended before the beginning of flowering, thereby reducing side effects on pollinators.

Preventive Measures

    Keep a wide distance between trees when plantingRegularly monitor the orchards for nymphs and adults of Idioscopus speciesChose varieties which are less susceptible to mango hoppersDo not transport infected mango plants between orchards


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