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Plantwise Technical Factsheet

mango aphid (Toxoptera odinae)

Host plants / species affected
Anacardium
Anacardium occidentale (cashew nut)
Aralia
Bischofia javanica (bishop wood)
Castanea mollissima (hairy chestnut)
Coffea (coffee)
Eupatorium odoratum
Mangifera
Mangifera indica (mango)
Murraya paniculata (orange jessamine)
Musa (banana)
Pittosporum tobira (Japanese pittosporum)
Rhododendron (Azalea)
Rhus (Sumach)
Rhus chinensis (nutgal sumac)
Rhus javanica
Sapium sebiferum (Chinese tallow tree)
Viburnum
List of symptoms/signs
Fruit  -  external feeding
Growing point  -  external feeding
Inflorescence  -  external feeding
Leaves  -  abnormal colours
Leaves  -  honeydew or sooty mould
Leaves  -  honeydew or sooty mould
Leaves  -  leaves rolled or folded
Leaves  -  wilting
Stems  -  discoloration
Stems  -  external feeding
Stems  -  wilt
Symptoms

T. odinae feeds on the undersides of young leaves, petioles and young branches. They tend to aggregate in large numbers: young shoots less than 5 cm long, tender leaf stalks and undersides of leaves are covered with the pest. This results in the host plant appearing to be evenly covered with aphids, honeydew and black mould. The damage is heavier on young plants.

Prevention and control

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:


Impact

Its polyphagous feeding habits, the woody nature of its food plants and the presence of natural enemies contribute towards making T. odinae comparatively harmless in India, Japan and other Asian countries. However, none of its known parasites in these countries has yet been found in Burundi. On economically important plants, the aphids mainly cause reduced fruit yield and timber quality; detailed economic damage data are not currently available.

In India, Peanut green mosaic virus and Peanut stripe virus were transmitted in a non-persistent manner by T. odinae (Sailaja et al., 1986). T. odinae does not infest groundnut crops but brief visits may be sufficient for it to act as a natural vector of these potyviruses.

Heavy infestations of the aphid reduced flowering and seed production in Eupatorium odoratum, which in turn reduced the weed population. In western India, T. odinae was found in large numbers on E. odoratum (Yadav et al., 1981).

Related treatment support
Plantwise Factsheets for Farmers
Simwinga, V.; Matimelo, M.; Mgomba, H.; Kiss, A.; CABI, 2014, English language
 
 
External factsheets
TNAU Agritech Portal Crop Protection Factsheets, Tamil Nadu Agricultural University, English language
TNAU Agritech Portal Crop Protection Factsheets, Tamil Nadu Agricultural University, Tamil language
Biovision Factsheets, Biovision Foundation, 2011, English language
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