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Species Page

mango leafhopper

Idioscopus nitidulus
This information is part of a full datasheet available in the Crop Protection Compendium (CPC). Find out more information on how to access the CPC.
©CAB International. Published under a CC-BY-NC-SA 4.0 licence.


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Host plants / species affected

Main hosts

show all species affected
Mangifera indica (mango)

List of symptoms / signs

Inflorescence - external feeding
Leaves - abnormal forms
Leaves - external feeding


Nymphs and adults of Idioscopus species suck phloem sap from the inflorescences and leaves. The affected florets turn brown and dry up, and fruit setting is affected. Other effects of feeding are caused by the bugs excreta (honeydew) on which sooty mould develops, affecting photosynthesis. Some damage may also occur through egg laying into the leaves and flower stems.

Prevention and control

Biological Control

To date there have been few studies where biological control has been attempted against mango leafhoppers, despite the existence of parasitoids (see Natural Enemies).

Host-Plant Resistance

Presumably because of the time needed to grow mango trees large enough to test, there have been relatively few studies devoted to varieties resistant to attack by mango leafhoppers. Murthi and Abrahim (1983) investigated 12 mango varieties for population fluctuations of the hoppers during preflowering and postflowering periods by means of monthly sweeps of trees of uniform age. Progeny production by I. nitidulus on floral branches was positively associated with the nitrogen content of the branches.

Chemical Control

Due to the variable regulations around (de-)registration of pesticides, we are for the moment not including any specific chemical control recommendations. For further information, we recommend you visit the following resources:


According to Viraktamath (1989), 14 idiocerine species in three genera (Amritodus, Busoniomimus and Idioscopus) breed on mango, and of these only six are of economic importance. Mango leafhoppers are major pests in the Indian subcontinent. The major damage caused is at the flowering stage and several studies have highlighted the reduction of yield which may be between 20 and 100% depending on population size. Verghese and Rao (1987) examined the critical infestation stages of the related species I. clypealis in Uttar Pradesh, India. The mean density of cicadellids was 0.54-20.64 per panicle in 1983 and 0-6.03 per panicle in 1984. In both years, the peak population occurred when the fruit was pea sized. At the post-bloom stage a population of two adults per panicle was sufficient to cause yield reduction. It is suggested that the critical infestation stages are at post-bloom, when the fruit is marble sized, and 1 month before harvest, with corresponding critical population levels of two adults, 6-21 nymphs and 4-11 hoppers per panicle. In the Philippines, Corey et al. (1989) found that the economic injury levels for I. clypealis on two croppings of mangoes averaged 4.21, 4.30, 4.45 and 4.55 adults per panicle at 2, 10, 18 and 26 days, respectively, after flower bud break for the first cropping, and 4.79, 4.88, 5.06 and 5.18 adults per panicle for the second cropping.